Broadcom

Broadcom sells the PAM4 DSPs, VCSELs and EMLs that module makers build 800G and 1.6T optics around, and ships Tomahawk 6 Davisson, a 102.4 Tb/s switch with co-packaged optics. Its 3 nm Sian3 DSP targets sub-23 W 1.6T modules.

Role DSP & chips Top speed 1.6T

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.
DSP & chips 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.
1,600 1
Speeds Data-center speed grades in the current portfolio, as the company lists them.
800G, 1.6T; 400G/lane Taurus DSP for 3.2T (OFC 2026) 4
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.
DSP and laser chips; CPO switch (Tomahawk 6 Davisson, 102.4 Tb/s) 2
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 2
Silicon photonics Identifies silicon photonics in a published product, design or demonstration. This flag does not establish volume shipments.
Yes 1
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.
200G VCSEL, 200G EML, 400G EML 3
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.
NASDAQ: AVGO 1
Manufacturing Countries where the company states it manufactures.
Not published
Parent Owner company for subsidiaries and acquired businesses.
Not published

Sources

  1. Broadcom: Sian3 200G/lane DSP PHY for 800G and 1.6T optics accessed 2026-11-11
  2. Broadcom: Tomahawk 6 Davisson, 102.4 Tbps co-packaged optics Ethernet switch accessed 2026-11-11
  3. Broadcom: optical connectivity for AI infrastructure at OFC 2025 (Sian2M, 200G VCSEL) accessed 2026-11-11
  4. Broadcom: solutions for scaling AI at OFC 2026 (Taurus 400G/lane DSP, 400G EML) accessed 2026-11-11

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