Coherent vs Lumentum: Optical & photonic interconnect compared

November 2026 edition · assessment by Frontier Tech Intelligence

Coherent ranks 19 on the AI Infra 100 with a score of 96; Lumentum ranks 85 with 85. Coherent is ahead on deployment, positioning, firepower and leverage. Level on production, commercials, progress and technology. Coherent is based in Saxonburg, United States, Lumentum in San Jose, United States. Coherent is named in 143 signals and Lumentum in 312.

Coherent →

Saxonburg, Pennsylvania, United States · AI Core · Networking & interconnect / Optical & photonic interconnect · coherent.com

Coherent develops and manufactures optical transceivers, lasers, VCSELs, silicon-photonic products and optical circuit switches for AI data-center networks.

AI Infra 100 · rank 19 · score 96

Scores, AI Core (of 10)

Deployment10
Production10
Commercials10
Progress10
Technology8
Positioning10
Firepower10
Leverage10

Darker bar: ahead of the other company on that measure.

Positioning

The largest optical transceiver and laser supplier to AI data centers (800G and 1.6T datacom, indium phosphide lasers, optical circuit switches, co-packaged optics), with Nvidia as a $2B strategic investor; indium phosphide capacity is the bottleneck it names.

Latest signals

  • AI infrastructure and semiconductor stocks rose in U.S. trading on October 26, 2026.Yicai
  • Six optoelectronics makers are investing in VCSEL-based near-packaged optics for data-center networkssemiconductor-today.com
  • U.S. optical-communications stocks fell sharply on October 12.Yicai

143 signals name Coherent.

Facts, with sources

  • >500mrsshub.bkraju.com — 2026-09-18
  • Shares fell 12.73% following weak earningsrsshub.bkraju.com — 2026-09-14
  • Nvidia invested in Coherent to advance optical networking technologyThe Register

108 facts on file.

Lumentum →

San Jose, California, United States · AI Core · Networking & interconnect / Optical & photonic interconnect · lumentum.com

Lumentum makes optical transceivers, lasers, optical circuit switches and photonic components for AI data-center, cloud and telecom networks.

AI Infra 100 · rank 85 · score 85

Scores, AI Core (of 10)

Deployment8
Production10
Commercials10
Progress10
Technology8
Positioning8
Firepower8
Leverage8

Darker bar: ahead of the other company on that measure.

Positioning

Optical component and module maker (lasers, optical circuit switches, cloud transceivers) whose growth now comes from in-rack optics: CPO lasers, external laser sources and near-packaged optics for hyperscalers.

Latest signals

  • Marvell Technology is in talks to acquire Lumentum.36Kr newsflashes
  • AI infrastructure and semiconductor stocks rose in U.S. trading on October 26, 2026.Yicai
  • Six optoelectronics makers are investing in VCSEL-based near-packaged optics for data-center networkssemiconductor-today.com

312 signals name Lumentum.

Facts, with sources

  • More than $500 millionrsshub.bkraju.com — 2026-09-18
  • Nvidia invested across Coherent, Lumentum, and Marvell to advance optical networking technologyThe Register
  • Nvidia invested across Coherent, Lumentum, and MarvellThe Register

239 facts on file.

More comparisons

Questions this page answers

Coherent or Lumentum: which is ahead in ai core?

Coherent ranks 19 on the AI Infra 100 with a score of 96; Lumentum ranks 85 with 85. Coherent is ahead on deployment, positioning, firepower and leverage. Level on production, commercials, progress and technology. Coherent is based in Saxonburg, United States, Lumentum in San Jose, United States. Coherent is named in 143 signals and Lumentum in 312.

How do Coherent and Lumentum compare?

Coherent ranks 19 on the AI Infra 100 with a score of 96; Lumentum ranks 85 with 85. Coherent is ahead on deployment, positioning, firepower and leverage. Level on production, commercials, progress and technology. Coherent is based in Saxonburg, United States, Lumentum in San Jose, United States. Coherent is named in 143 signals and Lumentum in 312. Both company files carry the scores on eight measures, the facts with sources and the latest signals.

Every comparison here comes from the same files members use every day.

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