Celestial AI

Celestial AI built the Photonic Fabric, an optical I/O chiplet that co-packages with XPUs and scale-up switches, with 16 Tb/s per first-generation chiplet. Marvell closed its US$3.25B upfront acquisition on 2 February 2026.

Role Optical I/O & CPO

Verified

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Facts

Source per value
Role Where the company sits in the optics supply chain: pluggable module maker, DSP and chip supplier, laser and component maker, network OEM that sells its own optics, contract manufacturer, optical I/O and co-packaged optics developer, or active electrical cable maker.
Optical I/O & CPO 1
Top speed Gb/s Highest module or chip application rate documented in the cited sources, in Gb/s (1600 = 1.6T). A historical catalog or announcement is not proof of today’s maximum or volume shipments.
Not published
Speeds Data-center speed grades in the current portfolio, as the company lists them.
16 Tb/s per first-generation Photonic Fabric chiplet 1
1.6T status Evidence for the 1.6T module or chip: volume/revenue shipping, customer sampling, or public demo/announcement. Blank means no dated status established; inspect the source date.
Not published
Form factors Pluggable form factors offered (QSFP28, QSFP56, QSFP112, QSFP-DD, OSFP, OSFP-XD and so on), or the package type for chips and engines.
Optical I/O chiplet, 3D co-packaged with XPUs and switches 1
LPO / LRO Offers linear pluggable optics (LPO) or linear receive optics (LRO), or the drivers, TIAs or DSPs built for them.
Not published
CPO / optical I/O Offers co-packaged optics, optical engines for CPO, or optical I/O chiplets.
Yes 1
Silicon photonics Identifies silicon photonics in a published product, design or demonstration. This flag does not establish volume shipments.
Not published
Coherent (ZR) Offers coherent pluggables or coherent DSPs (400ZR, ZR+, 800ZR) for data center interconnect.
Not published
Lasers Laser technologies the company makes or uses: VCSEL, EML, DML, CW lasers for silicon photonics, or tunable lasers.
Not published
Reaches Reach classes offered, from SR (multimode, about 100 m) through DR, FR and LR (single-mode, 500 m to 10 km) to ZR (80 km and beyond).
Not published
Named customers Hyperscaler or major customers the company or its filings name publicly.
Not published
Revenue Reported annual revenue in the original currency and fiscal year. Figures may cover an entire group and periods differ; this is not an optics market-share ranking.
Not published
Optics revenue share Share or amount of revenue from optical transceivers, datacom or the relevant segment, where a filing or earnings release states it.
Not published
Listing Stock exchange and ticker, or Private.
Private until acquired by Marvell (NASDAQ: MRVL) 2
Manufacturing Countries where the company states it manufactures.
Not published
Parent Owner company for subsidiaries and acquired businesses.
Marvell (acquired Feb 2026) 2

Sources

  1. Marvell to acquire Celestial AI (2 Dec 2025) accessed 2026-11-11
  2. Marvell completes acquisition of Celestial AI accessed 2026-11-11

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