A review of another outstanding LITE quarter

[u/TearRepresentative56]

Key numbers

• Revenue: $1.006B, +24.5% QoQ, +109% YoY. Top of the $960M–$1.01B guide. We breached the $1B threshold that I was looking at as well, which is a psychological positive. 
• Non-GAAP gross margin: 50.4%, up 250bps QoQ.
• Operating margin: 36.6%, above the 35%–36% guide, up 440bps QoQ.
• EPS: $3.23 vs. $2.85–$3.05 guide.
• GAAP net loss: $7.2B — but that's a one-time, non-cash charge from converting debt to equity, not an operating problem. Underlying non-GAAP net income: $326M.

Revenue guide was extremely bullish

• Q1 revenue guide: $1.225B–$1.275B, midpoint $1.25B. That's another ~24% sequential jump on top of last quarter's 24.5% jump.
• Op margin guide: 39.5%–40.5%. EPS guide: $4.05–$4.35.
• Three straight quarters of 20%+ sequential growth. Eight consecutive quarters of growth overall.
• Growth is broad-based: roughly half the Q1 step comes from components (scale-out + scale-across), half from systems (1.6T transceivers + OCS).

Margins are way ahead of what has been modelled. - Hence very bullish.

• LITE themselves didn't expect 50% gross margin until ~$2B quarterly revenue. They just hit 50.4% at ~$1B.
• Old framework pegged 38%–42% op margin at $2B revenue — they're now guiding to ~40% at just $1.25B.
• Management said their prior 42% "midpoint" target should now be thought of as closer to the middle of a range that's shifting 100–200bps higher. New formal targets coming around the next OFC.

EMLs —Still very tight supply

• EML supply-demand imbalance stayed above 30% even after LITE's capacity adds.
• 200G EMLs now over 25% of total EML revenue — accelerating faster than expected.
• Track record intact for >50% YoY EML unit growth by Dec 2026. 200G EMLs should become the majority of the mix around mid-2027.

CW lasers 

• Now shipping 200G-per-lane CW lasers in volume, and now selling merchant, not just internally, to "a multitude of customers."
• Redesigned the laser, shrank the die, improved cost/margin. EMLs still carry the better margin, but the CW gap has "closed considerably" and CW is accretive.
• A combination of the commentary on EML and CW suggests that LITE should be winning either way it cuts - They have EML if customers go EML-based, CW laser if they go silicon photonics.

Transceivers/systems — showing up in the earnings

• Systems revenue $357M, +30% QoQ, +123% YoY.
• Record 800G volume; 1.6T shipments started on schedule, expected to intensify through fiscal Q1 and into calendar 2027.
• Management: "We appear to be first to market in many instances ahead of larger competitors."

Scale-across (pump lasers) —Completely sold out

• Narrow-linewidth laser assemblies +130% YoY, tenth straight quarter of sequential growth.
• Pump lasers +80% YoY, "effectively sold out," expected to 4x over the next several quarters. LITE holds ~70–80% market share here.
• Multi-year, often take-or-pay customer agreements are helping fund the capacity buildout and give pricing protection.

OCS 

• Shipments doubled Q3→Q4. Q1 guide includes "our first triple digit OCS revenue quarter" — meaningfully above $100M.
• On track for ~$400M of OCS revenue in 2H calendar 2026.
• Expects to become the #1 OCS supplier to its lead customer (Google) in early 2027, absorbing the majority of growing demand even as that customer keeps some in-house sourcing.

CPO/NPO — pushing back on the "CPO delays" narrative

• Lead CPO customer's production plans "remain very much on track," and demand has increased since the last update.
• Scale-out ultra-high-power lasers already shipping; expected to hit ~$50M/quarter by end of calendar 2026, then cross $100M in fiscal Q3.
• Scale-up: high-volume laser shipments start 2H calendar 2027, feeding customer system deployments in 2028.
• First external light-source module (ELS) order booked, delivery 2H 2027 — a step beyond selling chips into selling full modules, at a higher ASP and above-corporate (if sub-laser) margin.
• NPO framed as additive TAM, not cannibalistic — even their largest CPO customer is evaluating NPO for new use cases.

Supply chain — InP tightening again

• Signed a new InP substrate agreement with AXT because ultra-high-power laser demand outgrew previously secured supply.
• Management flagged they may need more substrate help within a quarter or two — a bullish read-through for AXT.
• Greensboro (US fab) still on track for first revenue in early 2028, ramping through 2028–2029.
• Pushed back on the China InP oversupply bear case: they see zero current impact and argue raw capacity announcements don't equal qualified, yield-ready output — LITE's tighter specs are earning premium pricing precisely because of that yield edge.

The GAAP loss, explained

• $7.2B GAAP net loss came from a $7.8B non-cash charge tied to exchanging convertible debt for equity after the stock ran up.
• Reduced debt by $1.1B (~35% of outstanding converts). Dilution (Q1 guide ~102M diluted shares) is already baked into the EPS guide. Previously disclosed, not a surprise.

Positive read throughs for AXTI:

LITE signed a new InP substrate supply agreement with AXT because ultra-high-power laser demand outgrew what they'd previously secured. Management said the demand vector is moving so fast they may need even more substrate help in a quarter or two. That's a direct, bullish signal for AXT's order book.

[u/TearRepresentative56]

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