Photonics & Optics companies

As of 2026-10-04, wafergraph tracks 24 Photonics & Optics companies across 7 countries; Corning Incorporated, InnoLight Technology, Hamamatsu Photonics hold monopoly or leader positions. The largest by market cap is Corning Incorporated at $141.4B, and the 15 priced companies total $763.4B.

Data as of 2026-10-04 · market caps from the daily wafergraph pipeline; unpriced companies are listed but not summed

24 companies in the Photonics & Optics part of the semiconductor & AI value chain.

Market share

Photonics & Optics market share 2024

Companies

  • Corning Incorporated — Optical fiber, cable, and glass materials maker; top global producer of optical fiber for AI data center interconnect and a first-mover in glass-core substrates for advanced chip packaging. leader · NYSE:GLW · $15.6B rev · United States
  • InnoLight Technology — Leading optical transceiver maker for AI data centers. leader · SZSE:300308 · $5.7B rev · China
  • Hamamatsu Photonics — Leading maker of photonic devices, sensors, and light sources. leader · TSE:6965 · $892M rev · Japan
  • Lumentum Holdings — Optical components and lasers for datacom transceivers and 3D sensing. major · NASDAQ:LITE · $3.0B rev · United States
  • Eoptolink Technology — Optical transceiver maker for AI data centers. major · SZSE:300502 · $3.7B rev · China
  • Coherent — Photonics conglomerate: optical transceivers, lasers, SiC materials. major · NYSE:COHR · $7.1B rev · United States
  • Nokia — Telecom and data-center networking systems and optical transport. major · NYSE:NOK · $21.5B rev · Finland
  • Ciena — Optical networking and coherent transport for data-center interconnect. major · NYSE:CIEN · $4.8B rev · United States
  • Sumitomo Electric Industries — Optical fiber, compound-semiconductor devices, and EV power modules. major · TSE:5802 · $32.5B rev · Japan
  • Accelink Technologies — Chinese optical component and transceiver maker. major · SZSE:002281 · $1.8B rev · China
  • Furukawa Electric — Optical fiber, components, and electronic materials maker. major · TSE:5801 · $7.6B rev · Japan
  • Fabrinet — Contract manufacturer of optical and photonic components. major · NYSE:FN · $4.6B rev · Thailand
  • Ayar Labs — Co-packaged optical I/O chiplets for AI compute interconnect. challenger · United States
  • Celestial AI — Optical interconnect (Photonic Fabric) startup for AI; being acquired by Marvell (definitive agreement announced, expected close ~Q1 CY2026). challenger · United States
  • EFFECT Photonics — Eindhoven fabless coherent-transceiver company delivering compact InP coherent modules for metro and DCI. challenger · Netherlands
  • Lightmatter — Photonic interconnect and compute startup for AI data centers. challenger · United States
  • Ranovus Inc. — Ottawa CPO startup with the monolithic ODIN electro-photonic chip platform for AI datacenter interconnects. challenger · Canada
  • Applied Optoelectronics — Optical transceiver and component maker. niche · NASDAQ:AAOI · $456M rev · United States
  • POET Technologies — Optical interposer and engine maker for transceivers. niche · NASDAQ:POET · $1M rev · Canada
  • Aeva Technologies — FMCW lidar-on-chip sensors for automotive and industrial use. niche · NASDAQ:AEVA · $18M rev · United States
  • Avicena Tech Corp. — Sunnyvale startup pioneering low-power microLED-based optical interconnects for chip-to-chip AI links. niche · United States
  • nLight — Semiconductor and fiber laser maker. niche · NASDAQ:LASR · $261M rev · United States
  • OpenLight Photonics, Inc. — Silicon photonics IP company licensing integrated laser-on-silicon PDKs for AI datacenter interconnects. niche · United States
  • Source Photonics — Optical transceivers for data-center and telecom networks. niche · United States

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Cite as: wafergraph, “Photonics & Optics companies — list, suppliers & market position”, https://wafergraph.com/segment/distribution_misc/photonics_optics/ (data as of 2026-10-04).

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