ENGLISH OVERVIEW
Pluggable Optical Transceivers
Replaceable optical links selected for each port
Pluggable transceivers convert electrical and optical signals at network ports. They can be selected for link distance and fiber type and replaced individually. Matching form factors do not guarantee matching wavelengths, transmission specifications or host compatibility.
Read both host and module specifications
Check standard, distance, fiber type, wavelength, connector, power and environment, then verify host support. Equal data rates may still use different fiber counts or connection arrangements.
- Power comparisons with CPO must include host signal conditioning and light sources at a consistent boundary. Silicon photonics can serve both architectures.
Manufacturers, brands and contract production
InnoLight, Coherent and Eoptolink are high-speed module examples; Cisco offers branded optics and compatibility support; Fabrinet supplies manufacturing and optical-packaging services.
- FOCI describes specialized transceivers and fiber integration, which does not establish its standard 800G or 1.6T production scale. LightCounting's March 2026 update is a market update, not a pluggable-module share ranking; mixed business revenue and estimates cannot be converted directly into such a ranking.
A full branch: products, electronics and manufacturing
Follow lasers, silicon photonics and drive/receive electronics into module products and manufacturing. DSP-based modules and LPO use different electronic architectures, while pluggable optics continues to develop.
Transceivers versus short-reach AOC / ALC
Transceivers with separate fiber cover different reach classes. A 500 m or 2 km product is not replaceable merely because a 50 m ALC uses less power; 1.6T is not the only selection criterion. The table preserves undisclosed fields instead of inferring model capability from DR/FR names.
| Product | Rate | Reach / medium | Power basis | Public status | Source / reviewed |
|---|---|---|---|---|---|
| Centera DR4 / DR4+ | 400G | 500 m / 2 km single-mode, by model | Typical 8 W per module | Published product | Centera | 400G DR4 / DR4+ transceivers |
| APAC OSFP DR8 | 800G | 500 m single-mode | Undisclosed on summary page | Published product | APAC | 800G OSFP transceivers |
| APAC OSFP FR4 | 800G | 2 km single-mode | Undisclosed on summary page | Published product | APAC | 800G OSFP transceivers |
| Foxlink OSFP DR8 | 1.6T | Undisclosed on product page | Maximum 25 W per module | Published product; no volume inferred | Foxlink | Optical transceivers |
| FIT 1.6T transceiver | 1.6T | Undisclosed in announcement | Undisclosed in announcement | 2026 CIOE exhibit announcement | FIT | 2026 CIOE 1.6T transceiver exhibit announcement |
Rows describe different products and reaches, not a power ranking. Undisclosed is not zero. Distinguish one endpoint from both, typical from maximum, and design targets from measurements. Review dates are not launch or production dates.
Connected industry roles
Links describe supply, classification, technology or services. They do not establish transactions between individual companies.
Pluggable Optical Transceivers → Network Switches
Pluggable data interface
Compatible optical modules fit switch ports; selection depends on speed, reach and fiber.
Cisco | Optical transceiver datasheets and product categoriesCo-Packaged Optics ↔ Pluggable Optical Transceivers
Architecture comparison
Optical-engine placement, electrical paths and maintenance differ; neither architecture necessarily replaces the other in every use.
Broadcom | CPO and high-speed electrical pathsSilicon Photonics ↔ Pluggable Optical Transceivers
Silicon photonics in pluggables
Coherent | 2025 silicon photonics 1.6T module demonstrationFiber and Optical Connections → Pluggable Optical Transceivers
Transmission and cabling
Modules need compatible fiber, connectors and optical paths; fiber is not the module itself.
Cisco | 100G module reach, fiber and interface examplesOptical communications & interconnects → Pluggable Optical Transceivers
Pluggable architecture
Coherent | 2025 silicon photonics 1.6T module demonstrationPluggable Optical Transceivers → Linear pluggable optics
Linear pluggable option
Marvell | Optical DSPs, drivers and TIAsLaser Light Sources → Pluggable Optical Transceivers
EML and CW light sources
Module designs select EML, CW or other sources; devices are not universally interchangeable.
Lumentum | CW lasers across architecturesOptical module DSPs → Pluggable Optical Transceivers
Processing for DSP-based modules
Marvell | Optical DSPs, drivers and TIAsOptical drivers & receivers → Pluggable Optical Transceivers
Optical drive and receive
Marvell | Optical DSPs, drivers and TIAsOptical manufacturing services → Pluggable Optical Transceivers
Module manufacturing services
Fabrinet | Optical manufacturing, alignment and integrationFiber coupling & alignment → Pluggable Optical Transceivers
Module optical assembly
Fabrinet | Optical manufacturing, alignment and integrationOptical receiver supply chain ↔ Pluggable Optical Transceivers
Pluggable receive path
The pluggable format does not prescribe a PD material; selection is product- and platform-specific.
ST | PIC100 silicon photonics and Ge PD white paperOptical receiver integration → Pluggable Optical Transceivers
Into pluggable transceivers
Complete transceivers include receive, transmit and other functions; this is the receive portion.
ST | PIC100 silicon photonics and Ge PD white paperPassive fiber cables and patch cords → Pluggable Optical Transceivers
External optical path
Transceivers use compatible fiber and connectors; reach depends on the complete link specification.
APAC | 800G OSFP transceiversActive optical cables (AOC) ↔ Pluggable Optical Transceivers
Integrated cable or separate modules
Compare AOC with transceivers plus fiber by connector, reach, maintenance and model-level power.
FIT | External high-speed interconnect catalogCompany examples & product roles
Selected high-speed data-center module examples include InnoLight, Coherent and Eoptolink; FOCI illustrates Taiwan's specialized integration role. These are different market positions, not market-share rankings. The directory includes Cisco and Fabrinet's branded-supply and contract-manufacturing roles.
FOCI ↗
Custom optical transceivers and fiber integration
Publicly offers custom transceivers and fiber-component integration; this does not establish 800G/1.6T market share or production scale.
Official product / role sourceInnoLight ↗
High-speed data-center optical transceivers
400G, 800G, 1.6T and other transceivers for AI and data-center links; also searchable through Zhongji Innolight.
Official product / role sourceCoherent ↗
High-speed pluggable optical transceivers
1.6T-DR8 OSFP, 800G-DR4 and other transceivers; listed separately from laser and CPO components.
Official product / role sourceEoptolink ↗
High-speed pluggable optical transceivers
Named by NVIDIA as a pluggable-transceiver company and included in LightCounting's March 2026 optical-communications update.
Official product / role sourceCentera Photonics ↗
400G transceivers
DR4 500 m / DR4+ 2 km single-mode; typical 8 W.
Official product / role sourceAPAC Opto Electronics ↗
800G transceivers
Published 500 m DR8 and 2 km FR4; summary omits power.
Official product / role sourceFOXLINK ↗
1.6T transceivers
OSFP DR8 maximum 25 W; product page omits reach.
Official product / role sourceFIT Hon Teng ↗
1.6T transceiver exhibition
2026 CIOE exhibit announcement; reach and power undisclosed, no volume-production inference.
Official product / role sourceSources
- Cisco | Optical-transceiver datasheets and product categories
- Cisco | 100G module reach, fiber and interface examples
- Broadcom | CPO and high-speed electrical paths
- LightCounting | March 2026 market update, not a market-share ranking
- InnoLight | AI and data-center optical modules
- Coherent | 1.6T-DR8 OSFP transceiver
- NVIDIA | Pluggable optics and CPO ecosystem
- Fabrinet | Optical-communications manufacturing
- FOCI | Specialized transceivers and fiber integration
- Marvell | Optical DSPs, drivers and TIAs
- Coherent | 2025 silicon photonics 1.6T module demonstration
- Centera | 400G DR4 / DR4+ transceivers
- APAC | 800G OSFP transceivers
- Foxlink | Optical transceivers
- FIT | 2026 CIOE 1.6T transceiver exhibit announcement