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Michael E. Hurlston

Thank you, Kathy, and good afternoon, everyone. Before diving into our third quarter results, I want to reflect on my first 90 days as CEO of Lumentum. I joined because of the immense cloud and AI opportunity. And the more I've seen, the more confident I am that we're poised for success. Having said that, we have opportunities to accelerate revenue growth, improve margins, and focus spending.
As many of you know, part of my core philosophy is that gross margins reflect the value customers place on our products. As we indicated at OFC, we see a path to take gross margins above 40%. And meanwhile, we can and should be able to improve operating margins by cutting spending in noncore areas. At OFC, we outlined a path to drive revenue to $750 million a quarter, gross margins above 40% and operating margins greater than 20%.
Based on my initial observations and the plan we have in place, these targets are all achievable. Our markets are growing at unprecedented rates, greater than 25% compound annual growth rate over the next five years, driven by an accelerating convergence of optics and electronics.
Our strength in optical components is unmatched. We build for virtually every type of network. At OFC, we showcased our 400-gig lane speed lasers alongside our proven 100-gig and 200-gig solutions. We also demonstrated differential drive EMLs that boost signal integrity and power efficiency. We're building momentum in the transceiver market with three cloud transceiver customers already on board and more wins expected in the pipeline.
What sets us apart is that our components are embedded across the ecosystem, even in competitors' transceivers. That means we often win regardless of who supplies the module. We're one of the few companies with true end-to-end optical capabilities from long haul to metro to inside the data center. Our scale and breadth make us a truly differentiated optical solutions provider.
Let's now turn to our third-quarter results. In Q3, we exceeded the high end of our guidance for both revenue and EPS, driven by strong demand from cloud customers and recovering networking market. Despite ongoing macroeconomic volatility, growth in cloud continues to be a key element of our financial performance.
Revenue in our Cloud and Networking segment grew 8% sequentially and 16% year over year, fueled by robust demand from hyperscale cloud customers. As mentioned earlier, when we execute well, the opportunity ahead is significant, and our components business is performing at an exceptional level. We set another record for EML chip shipments this quarter and remain on track to more than double this business by the end of calendar 2025 relative to our June 2024 baseline.
We continue to ship 200 gig lane speed EMLs to multiple customers with our set of design wins, we're well positioned in the next generation of 800-gig and 1.6 transceivers supporting AI workloads. Our wafer fab expansion remains on track, supporting higher volumes of EMLs and other indium phosphide lasers and photodetectors. In addition, we are ramping production in CW lasers for silicon photonics transceiver applications in the quarter.
As our indium phosphide capacity grows, we expect to ship an increasing mix of CW lasers. In addition to supplying components into the transceiver market, we took an early lead in co-packaged optics or CPO. We have a highly differentiated ultra high-power laser that was announced as a key component in a CPO solution at GTC last quarter. We have already shipped early production units of that product and expect meaningful revenue in the second half of calendar 2026.
At OFC, we introduced the R300, a 300 by 300 port optical circuit switch, or OCS, engineered to significantly improve the scalability, performance and efficiency of AI clusters and intra data center networks. The device replaces traditional switches, providing customers significant power benefits by keeping signaling in the optical domain. Our OCS solutions built on decades of engineering expertise and the successful deployment of high-performance MEMS technology in demanding telecom environments.
With over 1 trillion mirror operating hours in the field and a robust patent portfolio, our optical switches are designed for high reliability and energy-efficient performance in AI-driven data centers. At present, we have beta samples being qualified by multiple hyperscaler customers and expect to see early production volumes at the end of the calendar year.
We're accelerating our optical transceiver production at our Thailand manufacturing campus and remain on track to begin shipments to our second announced hyperscale data center customer in June as previously communicated. At the same time, we continue to ship to our third announced customer, and we are expanding our product offerings and ramping in shipment volume to our largest cloud hyperscale customer.
In Q4, we expect our overall cloud transceiver revenue to grow over 50% sequentially. We're also experiencing growing demand for our DCI and long-haul transmission solutions. We achieved another sequential increase in segments of narrow-line-width lasers essential to ZR and ZR+ module deployments and in transponders for cloud customers.
This marks the fifth sequential quarter of shipment growth for narrow line width lasers. Even as we ramp additional capacity in Thailand, our shipments will not be able to satisfy demand for the balance of the calendar year. In addition, pulp lasers and line subsystems were up sequentially driven by cloud infrastructure demand.
Looking ahead to Q4, we anticipate strong sequential growth in our cloud and networking segment, driven by new capacity coming online across our global operations the continued ramp of customer programs and strengthening demand from network equipment manufacturers.
Now let me move to our Industrial Tech segment. Industrial Tech segment revenue decreased 5% sequentially but was up 14% from the same quarter last year. Industrial laser revenue declined sequentially, but the drop was less than anticipated, while 3D sensing revenue followed expected seasonal trends. In Q3, ultrafast laser shipments held steady at near-record levels, driven primarily by growing demand from a leading tool supplier supporting high-volume solar cell manufacturing.
We're also actively collaborating with customers on new ultrafast laser opportunities as the minimal thermal impact of ultra short-pulse technology continues to gain traction in advanced packaging display technologies and next-generation semiconductor processes. Consistent with earlier remarks, we have taken actions to rationalize the industrial tech portfolio closing two R&D sites and stopping development activities in three exploratory product areas. With these actions and more focus on the core business, we expect to see increasing profit in this segment over the next handful of quarters.
Looking ahead to fiscal Q4, we expect a sequential decline in Industrial Tech revenue reflecting both the ongoing macroeconomic headwinds impacting industrial laser demand than the typical seasonal decline in 3D sensing revenue. As I reflect on my first 90 days at Lumentum and look ahead, I'm energized by the momentum we're building. Our strong Q3 performance, combined with the strategic positioning we shared at OFC, reinforces that we're on the right path.
We're executing on a focused strategy, investing in high-growth, high-impact areas where our differentiated technologies provide a lasting competitive advantage. From delivering record EML chip shipments to partnering with AI hyperscalers on connectivity innovation, we're demonstrating that our products are essential to powering the future of cloud and AI.
While macro uncertainty, tariff dynamics and export controls present near-term challenges, Lumentum has taken recent actions and delivered steps over the years to build resilience, through a globally diversified manufacturing footprint, a flexible supply chain, and active engagement with customers. We remain focused on what we can control. pricing, disciplined spending, and flawless execution. These fundamentals are positioning us to succeed across a variety of market environments.
Finally, strong demand for cloud and AI continues to support our confidence in achieving the medium- and long-term financial targets we outlined at OFC. We remain on track to exceed a $500 million quarterly run rate as we exit the calendar year. There's still work ahead, but the opportunity in front of us is substantial. Our ability to deliver differentiated optical solutions across our portfolio provides a strong resilient foundation for sustainable growth.
Now I'll hand the call over to Wajid.

Wajid Ali

Thank you, Michael. Third-quarter revenue of $425.2 million and non-GAAP EPS of $0.57, were both above the high end of our guidance ranges. GAAP gross margin for the third quarter was 28.8%. GAAP operating loss was 8.9% and GAAP net loss per share was $0.64.
Turning to our non-GAAP results. Third quarter non-GAAP gross margin was 35.2%, which was up 290 basis points sequentially and up 50 basis points year on year due to better manufacturing utilization and favorable product mix due to increased datacom laser shipments. Third quarter non-GAAP operating margin was 10.8%, which was up 290 basis points sequentially and up 1,100 basis points year on year. and driven by improved cloud and networking profitability. Third quarter non-GAAP operating profit was $46.1 million, and adjusted EBITDA was $71 million.
Third quarter non-GAAP operating expenses totaled $103.4 million, or 24.3% of revenue, an increase of $5.1 million from the second quarter and a decrease of $2.4 million from the year ago quarter. This demonstrates our disciplined cost management across the organization, even as we ramp investments in our growing cloud opportunities and absorb the typical payroll fringe reset that takes place each year in our third fiscal quarter.
Q3 non-GAAP SG&A expense was $40.1 million, non-GAAP R&D expense was $63.3 million. Interest and other income was $2.9 million on a non-GAAP basis. Third quarter non-GAAP net income of $40.9 million and non-GAAP diluted net income per share was $0.57. Our fully diluted share count for the third quarter was 72.2 million shares on a non-GAAP basis.
Turning to the balance sheet. During the third quarter, our cash and short-term investments decreased by $30 million to $867 million. Our inventory levels increased sequentially to support the expected growth in our Cloud & Networking revenue. In Q3, we invested $59.5 million in CapEx, primarily focused on expanding clean room capacity at our Thailand manufacturing site and increasing equipment capacity for indium phosphide wafer production to support EML chip manufacturing. Nearly all of our CapEx investment was directed toward our Cloud & Networking business.
Turning to segment details. third quarter Cloud & Networking segment revenue at $365.2 million increased 8% sequentially and 16% year on year. Cloud & Networking segment profit at 20% increased 380 basis points sequentially and increased 540 basis points year on year on higher revenue and favorable product mix. Our third quarter Industrial Tech segment revenue at $60 million was down 5% sequentially and up 14% year on year. Third quarter Industrial Tech segment profit of 4.3% decreased sequentially on lower revenue and increased year on year on higher revenue.
Now let me move to our guidance for the fourth quarter of fiscal '25, which is on a non-GAAP basis and is based on our assumptions as of today. I want to acknowledge that the impact of tariffs on our supply chain along with broader geopolitical dynamics remains highly uncertain. The guidance we're providing reflects our best assessment based on the current environment. This outlook includes an estimated 100-basis-point reduction in overall company gross margin primarily driven by higher material costs and tariffs on shipments to U.S. destinations where we serve as the importer of record.
For clarity, despite this 100-basis-point headwind, we expect a sequential improvement in gross margins from Q3 to Q4. We expect net revenue for the fourth quarter of fiscal '25 to be in the range of $440 million to $470 million. This Q4 revenue forecast includes the following assumptions: Cloud & Networking to be up sequentially with strong growth in products addressing cloud and AI applications. and Industrial Tech to be down sequentially with the declines in both industrial lasers and 3D sensing.
We project fourth quarter non-GAAP operating margin to be in the range of 13% to 14% and diluted net income per share to be in the range of $0.70 to $0.80 per share. Our non-GAAP EPS guidance is based on a non-GAAP annual effective tax rate of 16.5%. These projections also assume an approximate share count of 72.7 million shares.
With that, I'll turn the call back to Kathy to start the Q&A session. Kathy?

Question and Answer Session

Kathryn Ta

(Operator Instructions)

Operator

(Operator Instructions)
Samik Chatterjee, JPMorgan.

Joseph Cardoso

Hi, good evening. Thanks for the question. This is Joe Cardoso on for Samik. I guess first question and maybe just a big picture question. I noticed you guys didn't necessarily talk about the $500 million-revenue target that you initially laid out on seeing by the end of the calendar year.
I guess recent performance in the June quarter guidance, how are you thinking about achieving that target by the December quarter, is there the possibility that you can achieve that a bit earlier? And what are the puts and takes to your expectations there? And then I have a follow-up.

Michael E. Hurlston

Yes. Let me take that one. This is Michael Hurlston. So we did outline that. We're still very much on track for the $500 million by the end of the year. We're obviously not guiding -- we're guiding a quarter at a time, but we feel pretty pleased about where the company is setting up. And still, as we said in the remarks, are very much on track for the $500 million-quarter.

Kathryn Ta

Did you have a follow-up, Joe?

Joseph Cardoso

Yes. Yes. Definitely have a follow-up. So maybe just talked -- maybe just touching on the datacom chip business. I think you were initially targeting a 40% increase in volumes by the June quarter. I guess I just wanted to get an update there in terms of how it's tracking relative to your initial outlook. And whether you're outperforming your initial expectations, both on the volume and ASP front?
And similar question, but obviously, more related to kind of the calendar '25 outlook, it does look like you're kind of outperforming your initial expectation in terms of where you were going to track towards the end of the calendar year. But any kind of color in terms of how you're thinking about ASPs trending there? And then sorry for the long question, but just curious like what's the contribution that you're expecting from CW lasers now that you're talking about ramping those up as well as EML. Thanks.

Michael E. Hurlston

Yes, I'm going to take the first part of the call for a question and then turn it over to Wupen. So what I would say, look, we're obviously tracking very well. We've increased our capacity in the Indian phosphide fabs. We feel like demand is still outstripping supply on or EMLs. So even as we ramp supply we're still very much sold out.
That being said, as we increase the capacity, we feel like there's room to add CW into the mix. And the reason for that is it really extends our serviceable market. So we feel like we want to do that to get a foot in that door. Our design, we think, is differentiated and gives us an opportunity to meaningfully participate in CW.
But the predominant focus is and remains EMLs. From an ASP standpoint, again, given the supply constraints, obviously, there's opportunities there to continue to maximize our price. And we're looking at that. We have opportunities as we think about now transitioning from 100 gig to 200 gig lasers and obviously going up to 400 gig.
But maybe Wupen, you want to add some color on the tech and how we think about it.

Wupen Yuen

Yes. So I'll just comment a little bit on the CFO laser ramp. We're at the very beginning, right? We just won a couple of customers at CFO lasers, as Michael pointed out. plus our fab capacity continue to be ramping up. We would like to be able to play in that market which increase our TAM. So we're at a very issue phase of the ramping. Not huge numbers yet, but we will continue to see that volume going up as time goes by.

Kathryn Ta

Thanks, Joe.

Joseph Cardoso

Thanks, guys. Appreciate it.

Operator

Simon Leopold, Raymond James.

Simon Leopold

Thank you very much. I wanted to see if you could maybe unpack what in your assumptions around the tariff headwind, you quantified it around 100 basis points, which we appreciate. I guess what I'm trying to get at is trying to get a sense of how much business or manufacturing do you still have in China in that assumption? I understand you're moving more to Thailand. And what are the other underlying assumptions you've made? And then I've got a quick follow-up.

Wajid Ali

Yes. Sure, Simon. I'll start off and then certainly Wupen and Michael can jump in. Yes. So like you mentioned in our prepared remarks, we did talk about the 100-basis-point headwind to gross margins and therefore, operating margins during the quarter. A lot of that headwind is coming from increased component costs in-feed costs where we are having to pay the tariff associated with sub-mount products as well as capacitors. And so wherever we see that we're having to pay a tariff associated with that.
For most of our customers, we are trying to move our production from China into our Nava facility in Thailand. . We're starting off with our data center interconnect products, but we are eventually going to also be moving products from our downgone facility for cloud modules into Nava as well. So what we've baked into the forecast right now is our current production ramp for the quarter. but we'll see improvements in that in our fiscal Q1 and Q2 as more of our Dongguan production moves to our Nava facility for cloud modules. So certainly, the impact from that perspective will diminish.

Simon Leopold

Thanks. And then just as my follow-up, longer-term question is I'd like to get your latest thinking on what contributions and what role you can play in CPO. It was nice to see that you were announced within the ecosystem back in March. I assume you're providing products like CW lasers, but we can get an idea of maybe some dollar content and forecasting of how you see this affecting your business over the intermediate or longer term? Thank you.

Wupen Yuen

Simon, this is Wupen speaking. I think the CPO, frankly speaking, the deal some time away, right? We talk about ramp volume in the second half of the next calendar year. number one. So therefore, in the meantime, the module is going to continue to be a ramping business for us. That's going to be a foreseeable strong growing business for us and for the industry to come.
On the other hand, in addition to the laser being an important component in the CPO ecosystem, we're also looking at adding other components in the longer term. There will be other optical chips that will be needed in the CPO world in the longer term. that's very much we're actually looking into as well. But I would say that's really a multiyear prospect. In the near term, there'll be the laser components plus the cloud module ramping in the cloud interconnect world.

Simon Leopold

Thank you.

Kathryn Ta

Thank you so much, Simon.

Operator

Blayne Curtis, Jefferies.

Hi, this is Rainier on for Blayne. Thanks for taking my question. Just a quick one and then probably a follow-up. Just look at the transceiver business, 50%-plus growth for next quarter is great, and clearly, a lot of traction. Can you talk about what you're seeing there from an EML versus CW laser perspective and a plan for in-sourcing versus externally sourcing there?

Michael E. Hurlston

Yes. Near term, all of our products are using CW lasers. So we're using silicon photonics approach for all of that, including all the revenue growth that you just cited. And all of it actually is externally sourced. So we have not yet incorporated our own lasers in our transceivers, but we would expect to do that sometime early in the calendar year next year. That's kind of the plan. We obviously have a number of big ramps in front of us with multiple customers that we talked about, but our next phase of growth will incorporate our internal lasers.
Wupen, anything to add? Okay. Good. Thanks for the question.

Kathryn Ta

Do you have a follow-up?

So there would be three customers all using CW lasers, just kind of wondering what that means for the industry in terms of what you're seeing from people choosing CW or EML?

Michael E. Hurlston

Yes. I mean, obviously, as we talked about a second ago, our EML are very much sold out. In fact, it really is a chase for us to keep up with the demand. We are basically choosing to allocate our supply toward EML, one, because of differentiation, two, because of pricing. So we've really focused our capacity as much as we possibly can on the EML product. As we said, we're really increasing the capacity quarter on quarter, year on year.
And as we sort of hit a space where we think we have a bit of room. We think there's an opportunity now to reallocate just a bit toward CW so we can start participating in that market. First, externally, right? We'll source those to third-party transceiver customers. But then strategically, to your point, we will begin in-sourcing those. So it will be mostly CW that we end up in-sourcing, and that's why strategically, it is important for us to develop that muscle.

Thank you.

Operator

Meta Marshall, Morgan Stanley.

Meta Marshall

Great. Thanks. Wupen, maybe just some clarity on the margin improvement that you saw on Cloud & Networking business. How much of that is from some of the yield improvements on cloud light versus just kind of pricing mix advantages on EMLs? And then I have a second question.

Wajid Ali

Yes, sure, Meta. I mean we're seeing across all the product lines, a nudge of improvement, I would say. On our data center interconnect products, we are moving a lot of that production from CMs to our own internal manufacturing in Thailand. And so the margin dollars that used to accrue to them are now accruing to us. So that's certainly helping us both in Q3 and more substantially in Q4.
And actually, we expect to increase that capacity moving into the back half of the calendar year. So that will continue to benefit us. On the datacom chip side, Michael and Wupen both mentioned earlier, that demand is ahead of supply. And so as that production has improved year over year and sequentially, that's also providing a tailwind for us.
To your earlier question on modules, to the first part of your question on modules, yes, yields have improved. And so the yield issue that we had in our December quarter, which caused a bit of a headwind on our gross margin line, that situation has improved into Q3, and that certainly helped us and into Q4, that's also helping us, especially as revenues are expected to increase 50% sequentially the benefit of improved yields are accruing to our gross margin. So I'd say kind of across the board, we're seeing a nudge of improvement across multiple product lines, and that's helping us.

Michael E. Hurlston

And Meta, I mean, just from a perspective, we said this in the prepared remarks, but we're going to continue to focus on gross margin. I think there's opportunity on pricing and on our cost line to continue to improve that. So we'd expect a pretty nice ramp toward the 40% target that Wajid outlined at OFC.

Meta Marshall

Okay. Got it. And just as a second question, obviously, a very fluid situation with tariffs currently. But assuming kind of the 100-basis-point headwind that you guys are talking about is within that kind of 90-day exemption period kind of considering current tariffs as of that. I'm just kind of wondering what your thinking is, if there are kind of greater tariffs that come from Thailand, just our thoughts about eventually moving production out of Thailand. It sounds like you're moving more production there for now, but just kind of overall thinking if there ends up being tariffs on Thailand. Thanks.

Wajid Ali

Yes. I mean, obviously, if there are tariffs on Thailand that will have a headwind that we'll have to work through. Yes, we are moving more of our production to Thailand, whether it's from RCM to us or whether it's from our cloud module business in Dongguan, China to us in Thailand. So we are making that manufacturing shift that's been in place for a number of quarters now. And so I think from an infrastructure and strategy standpoint, that certainly is there.
If there's tariffs that accrue post kind of July 8 because of that, then we'll have to work through that with our customers. And as you can appreciate, as there's been noise on tariffs, we've been speaking to our customers about how we work through the pricing impact to them that is associated with those tariffs. But up until now, for the large part, most of our shipments that come to the U.S., we are not the importer of record. And because we are not the importer of record, those conversations have been a lot simpler, I'd say.
So that's really how we're thinking about it.

Meta Marshall

Great. Thanks.

Kathryn Ta

Thank you, Meta.

Operator

Christopher Rolland, SIG.

Dylan Ollivier

Hi. This is Dylan Ollivier on for Chris. Thanks for taking my question. So for my first question, I wanted to follow up on the 50% sequential growth in the optical transceiver business. So which of your transceiver customer programs will be responsible for that growth. And how should we expect transceiver shipments to trend for the rest of the calendar year? Do you guys think that level is sustainable? And are you guys expecting to grow from there as you add customer programs?

Simon Leopold

Yes. On the transceivers, I mean, I don't want to necessarily outline specific customers that are driving it, but it's predominantly the customer that we've had shipping for quite some time will be most of the contribution. We would expect this business to continue to grow. I think we're really well positioned. Obviously, generally speaking, our share is relatively modest.
We think that we've put some of the issues behind us relative to some issues transferring products into manufacturing and getting those into production. And we would expect from here to continue to grow. Will we grow at this growth rate? Hard to say. But certainly, we would expect to continue to grow this business, and it will be a major growth driver for us in 2026.
Wupen, any comments from you?

Wupen Yuen

Yes. And also, as Michael said, the more programs started ramping, we will see this to be more broader-based than this one major customer rent. Other programs will gradually be brought into the ramping phase as well. So we're going to see that going forward.

Operator

Did you have any follow-up?

Dylan Ollivier

Got it. That's great. Yes. So for my follow-up, I wanted to ask about 200 gig EMLs. So it sounds like you're getting solid traction there already. When should we expect that to ramp? And do you expect it to quickly cannibalize 100-gig EMLs or just to layer on top initially?

Wupen Yuen

Yes. This is Wupen speaking. I think the timing-wise is going to be toward the end of this calendar year, that 200 will start to ramp. And we don't see this being a cannibalization of 100G EMLs because there's still a very large growing demand 400G 800G modules the 1.60 modules or solutions will be on top of the 100G demand for quite a while to come. So this should be additional opportunities than a cannibalization opportunity.

Kathryn Ta

Thank you.

Dylan Ollivier

Great, thank you.

Operator

Ryan Koontz, Needham & Company.

Ryan Koontz

Thanks for the question. Maybe stepping back a little bit on the datacom transceiver market here. relative to the strong Chinese players. What are you hearing from your customers, your major cloud-oriented customers about their interest in moving away from Chinese suppliers and interest in bringing those products in-house? Thanks.

Michael E. Hurlston

Yes. there's definitely an interest to move away from Chinese supply. I mean, I think the problem right now is that collectively, we can't meet the demand. So they are going to continue, I think, to buy from Chinese suppliers until U.S. suppliers can ramp to a level to meet what looks like a relatively insatiable demand.
Generally seeing there is some design in-sourcing going on. Some of the customers are doing their own designs. But the outsourcing is by far the dominant pull working with third-party transceiver manufacturers. And we obviously are a small player at the moment. We expect, given the number of designs that we have in flight, we expect to be a more meaningful participant in the market starting next quarter, but then really growing into the quarters beyond that.

Ryan Koontz

That's great And then maybe I do, yes. On the telecom side of the business. what kind of mix shifts you're seeing there? Obviously, DCI is driving the boat there in terms of growth. As you think about that mix shift, is it kind of in line with your expectations?
How should investors think about the shift toward DCI and how it affects your business, whether it's measured on gross profit or revenue per unit, these sorts of things, wallet share. But if you can just step back and explain how investors should think about these shifts in telecom. Thank you.

Michael E. Hurlston

Yes. I mean I think that the traditional telecom business targeted to operators and target to MSOs is still obviously meaningful, but the long pull now is the hyperscalers. So DCI, very important. Even these guys are now participating in our long-haul business. So we talked in the call in the prepared remarks about pump lasers, we've seen really an increase in that business.
A lot of the backbone now is being supplied by the hyperscalers, and we're participating in that with our traditional telecom products, but now more targeted toward the hyperscalers. So that's been a surprising growth driver. I think quite frankly, we haven't seen this business perform at these levels in quite some time. So it's really a nice surprise.
I mean, technology-wise, Wupen, any other things that you're seeing from a trend line?

Wupen Yuen

Yes. Certainly, I think overall, we should think about the AI driving force is not just about data center internal data has to be transmitted across data centers. So all these actually have the same driving source, right? We see the ZR being growing very strong, and therefore, (kind of) laser is doing really well. Even the long-distance transmission coherent components doing very well because of the terrestrial long-haul requirement and also the pump lasers for fiber capacity. So all in all, we're seeing a very strong DCI kind of traffic growth, and that's driving our so-called telecom part of the portfolio as well.

Wajid Ali

I'll just add an additional comment, Ryan. Around your question on gross profit dollars, so DCI products are accretive to us from a gross margin standpoint. Not only where we're currently operating from a gross margin standpoint, but also versus the 40% target that that Michael laid out earlier, it's even accretive to that.
And so the combination of increased demand and our increased capacity internally at Thailand is certainly a tailwind for us that that is driving a lot of the confidence that you're hearing from the team around our gross margin abilities is coming from the secular demand along with internal manufacturing along with the pricing power that we believe we have on our data center interconnect products. So it's all adding up together.

Kathryn Ta

Thank you, Ryan.

Ryan Koontz

Thank you. Really appreciate it.

Operator

Karl Ackerman, BNP Paribas.

Karl Ackerman

Yes, thank you. I have two. I believe you said that your cloud transceiver revenues would grow 50% sequentially on the contribution from all three of your cloud customers. I have to ask, though, is this tied to -- it sounds like it's tied to a new GPU or ASIC program ramping at least at one of them. But I guess how much of this, if at all, is from customers pulling forward transceiver demand ahead of potential tariffs. And if not, how do you manage that supply and demand balance with these three customers?
I have a follow-up, please.

Michael E. Hurlston

Yes. Karl, Michael Holston. So first of all, we don't see any pull forward. I mean it's been a race for us to keep up. We kind of alluded to this in one of the previous questions. We definitely had an issue ramping. We went through a ramp phase and then a qualification phase.
And really, this is a product that's driving a lot of the increase that was something that's been in our hopper now for a couple of quarters. So we certainly don't see a pull-forward effect. And again, that layering in with the additional two customers beginning to ramp this quarter we feel -- we don't see any effect on pull ahead.
I'm going to have Wupen talk a little bit about what those are tied to relative to kind of the customer tech.

Wupen Yuen

Yes. I think from the product release point of view, definitely, I think those ramps are tied to the dominant GPU ramp and also some other accelerate ramp. There's some loose association with those kind of introduction of the accelerated products. But also though I think the demand is pretty broad-based, is not particularly only to those two or three accelerators that are being introduced now into the market.

Kathryn Ta

Karl, did you have a follow-up?

Karl Ackerman

I did one if I may. Wajid, you spoke of moving production away from contract manufacturers to in-house solutions. I'm curious, is that for your industrial tech products? Or does that relate more towards cloud and networking? And similarly, do you need to add substantial capacity to move that production in-house, please? Thank you.

Wajid Ali

Yes. So it's revolved around our data center interconnect products. And so those CapEx decisions were made six to nine months ago, and actually the CapEx is showing up this fiscal quarter. and it's expected to improve our capacity for data center interconnect products by 50% exiting this calendar year.
And so that is the production that instead of providing to our contract manufacturers. We're still keeping them going at full speed but the incremental supply is coming from our Nava facility for CapEx that is being put in place this quarter and that will fully ramp by the end of this calendar year and give us another 50% more capacity on data center interconnect products, specifically tunables.

Kathryn Ta

Thanks, Karl.

Operator

Mike Genovese, Rosenblatt Securities.

Michael Genovese

Great. Thanks. I'm not sure if I missed this in the prepared remarks, but do we get an update on telecom performance in the quarter and the sort of product issue last quarter with just getting supply, if that has been solved yet?

Wajid Ali

Yes, sure. So I'll start off and I'll let Wupen also jump in. So telecom performance came in exactly as expected. We had shortages on pumps. We had shortages on tunables, we had shortages on CDM products from our classic transmission product lines. And so all of those products we were working through supply constraints throughout the quarter. We are expected to see improvements in supply for all three product lines moving into Q4 and into the back half of the year.
The earlier question was around our tunables products where we mentioned that we have CapEx that we're putting in place in our Thailand facility to increase the production capacity by 50% over the remaining part of this calendar year. So with that increased capacity, we're going to see the telecom part of our business improve as we move through the quarters for the rest of this calendar year.
Maybe you want to talk about pumps a little bit more, Wupen?

Wupen Yuen

Yes. I think the overall -- from a demand and supply perspective, we don't expect that our capacity can really fulfill all the demand for the next several quarters. because of the demand is being really strong, although we're doing better than we were able to. So we'll continue to run capacity, continue to get more supply into the picture. But we're going to be in a pretty tight supply situation at least the next couple of quarters.

Kathryn Ta

Did you have a follow-up, Mike?

Michael Genovese

Great. And I guess I want to revisit the question whether there's any caution in the guidance for the back half of the year related to macro or tariffs. If I just take the transceiver comment up 50% sequentially, I mean to me, that that gets us $30 million more revenue. That gets us the whole growth in the guide. I know Industrial is supposed to be down, but you've got EMLs growing, you've got telecom that should be up. Is there an extra business conservatism in here? Or am I overthinking this?

Wajid Ali

I'd say you're not overthinking it, Mike. I mean, obviously, we're in an environment where there's a lot of uncertainty. We're quite confident in the guide that we provided. But if you just listen to some of the capacity improvements that we've got, there is certainly opportunity to deal with any type of headwinds that come our way during the fiscal quarter.
As far as the back half of the calendar year looks across all of our product lines, we continue to see an uptick in demand, whether that's datacom chips, whether that's data center interconnect products or whether that's modules, even our industrial lasers product line that is expected to come down in fiscal Q4 has new ultrafast products that are ramping in the back half of the calendar year. demand for those products is quite strong.
But offsetting that, we're seeing some headwinds from customers that take kilowatt products. But overall, the trend is up and our supply plan is up. So we should see improvements from here to the $500 million target that Michael spoke about. But again, I think the macro uncertainty, none of us have a great crystal ball on that.

Michael Genovese

Thanks so much.

Kathryn Ta

Thanks, Mike.

Operator

David Vogt, UBS.

David Vogt

Great. Thanks for taking my question. I just want to go back to the telecom business for a second. I jumped on late, and I apologize. Was there anything in the quarter that was similar to last quarter, when I mean by that, there was some channel normalization last quarter. and even in the quarter before. Just trying to get a sense for what's core underlying demand, particularly in the face of tariffs or the risk of tariffs or the potential tariffs.
And I'll give you my follow-up, and I might have missed this because I jumped on late, could you share with us sort of how the core transceiver business grew in the March quarter relative to either last year or last quarter? Thanks.

Michael E. Hurlston

Yes. Maybe I mean, look, on the telecom business, obviously, we feel pretty good. I mean, I think there's a lot of opportunities for us to continue to grow. Wupen talked about the narrow line with lasers. We actually said that in the prepared remarks.
So we think that business continues to grow through the balance of the calendar year and into next year. And it's not just that. I think we talked about pump lasers. That really has been a strong product area for us. So across the board on telecom, which, as Wajid said correctly, is a gross margin in [handserve]. It accretive on the gross margin line, we would expect to see that to continue to creep up.
large portion of growth will be cloud modules. And so as you think about us across the next couple of quarters, in order to keep the gross margins up, we are going to need to see improvements in telecom because we think that that's an area for us that has accretive gross margins.
On the Datacom transceivers, the second part of your question, essentially, that was flat on quarter. We didn't see a lot of growth. I think the growth for us, we talked about I think in previous discussions that we'd hit a bit of an air pocket relative to execution on some ramping some of our datacom transceivers. We're past that at this point. We would expect to see the growth in this subsequent quarter in the guide, and then we expect to see pickup from there.
So on balance, look, we feel really good about the way the business is shaping up. Why go gave correctly a right amount of prudence around tariffs and macroeconomic uncertainty. But if we don't have that, we feel really good about where all of our business is landing right now.

David Vogt

Great, thanks, guys.

Kathryn Ta

Dave, did you have a follow-up?

David Vogt

Nope, those are my two. Thank you.

Kathryn Ta

Okay, excellent. Thank you. [Josana], I think we have time for one more question.

Operator

Alek Valero, Loop Capital.

Alek Valero

Hey, guys. Thanks for taking my question. This is Alek on for [Nanda]. So I have a question on co-packaged optics. What's your view on when co-packaged optics truly have a chance to gain traction in data center and provide competition to transceivers.

Wupen Yuen

Yes, this is Wupen again speaking. I think the commodities will take some more time. The technology is pretty complex. A lot of engineering challenges, I think, yet to be worked through. As the leading AI customer talk about in their conferences, this year, there will be some -- a first system release. And next year, '26, will be another system release based on the user net switch. We believe that's the timing. We're going to see some level of adoption of the CPO optics.
However, though, we do believe that the drug will continue to be the dominant form factor going forward. I think it will take in the next several years really to gradually ramp the CPO uptakes to be a meaningful share. And the benefit of CPO is clear, but the adoption will take time for people to figure out how to use it very effectively.

Alek Valero

Got it. That's very helpful. And just as a quick follow-up, can you remind us the economic difference between transceivers and co-packaged optics.

Wupen Yuen

The difference?

Wajid Ali

The difference between tranceivers --

Wupen Yuen

So basically, if you take any kind of a switch box, for example, the transceiver basically is at the front panel. So you have the connection between the DSP, sorry, the switch chip in the signal all the way to the front panel of the box, which can be 20, 30 inches actually away from the switch ship. The cobal optics basically remove all that, put the optics directly on to the switch chip. Thereby removing all the signal losses and the complexities associated with that transition. That, in essence, is what the CPO optics does.
And then that lower the power consumption, reduce the cost, reduce the complexity. But in a sense, you actually move the complexity from optical modules on to the switch chip which then is some engineering work to be done, right, to make sure that it is a reliable solution.

Alek Valero

Got it. (multiple speakers)

Kathryn Ta

Go ahead.

Alek Valero

I was going to ask, does co-packaged optics come with an ASP increase compared to transceivers?

Michael E. Hurlston

Well, it's a different pricing model. Today, the consumption model is the Swiss chip is purchased separately and the boxes made by somebody else, and the modules are purchased through third-party manufacturers such as us. And it's a very different consumption model than the CPO optics, which basically means that the switch vendor will control the entire ASIC plus the optics.
So it's very hard to say how they're going to price it. And therefore, hard to say that which one is going to be cheaper, we depend on the competition and benefit and so on and so forth. Very hard to give an estimation at this point.

Kathryn Ta

Thanks, Alek. Thank you, everyone, for your question. That's all the time we have for questions. We look forward to connecting with all of you at upcoming investor conferences and meetings this quarter. And with that, I'd like to thank you for joining us today.

Operator

That concludes the conference call. Thank you for your participation. Enjoy the rest of your day.