Transceiver
Low cost
400G PAM4 Optical Transceiver
Summary
NEON Photonics’ 400G PAM4 optical transceiver is designed for 400 Gigabit Ethernet interface, QSFP-DD MSA over single mode fiber 2km. The specifications are compliant with the 400G FR4 Technical Specification of 100G Lambda MSA. Its key differentiator is a highly compact optical and electrical design technology.
Key Features
- 100G x 4ch PAM4 optical I/F
- 50G x 8ch PAM4 Electrical I/F
- Lens-less optical coupling technology
- Compact package technology
- QSFP-DD compatible
- Cost competitiveness
- Capacity(multi-channel) scalability
- Availability to user defined design
Application
- Datacenter (400G FR-4)
- Optical connectivity
Block Diagram
Specification
| TX Parameter | Unit | Specification |
|---|---|---|
| PAM4 Signaling rate, each lane (range) | GBd | 53.125 ± 100 ppm |
| Lane wavelengths (range) | nm | 1264.5 to 1277.5 |
| 1284.5 to 1297.5 | ||
| 1304.5 to 1317.5 | ||
| 1324.5 to 1337.5 | ||
| Average launch power, each lane (min) | dBm | -3.3 |
| Transmitter and dispersion penalty eye closure for PAM4 (TDECQ), each lane (max) | dB | 3.4 |
| Extinction ratio (min) | dB | 3.5 |
| RIN17.1 OMA (max) | dB/Hz | -136 |
| Optical return loss tolerance (max) | dB | 17.1 |
* Available for customized specification
| RX Parameter | Unit | Specification |
|---|---|---|
| PAM4 Signaling rate, each lane (range) | GBd | 53.125 ± 100 ppm |
| Lane wavelengths (range) | nm | 1264.5 to 1277.5 |
| 1284.5 to 1297.5 | ||
| 1304.5 to 1317.5 | ||
| 1324.5 to 1337.5 | ||
| Damage threshold, each lane (min) | dBm | 4.5 |
| Average receive power, each lane (max) | dBm | 3.5 |
| Average receive power, each lane (min) | dBm | -7.5 |
| Receiver sensitivity (OMA outer), each lane (max) | ||
| Stressed receiver sensitivity (OMA outer), each lane (max) | dBm | -2.6 |
* Available for customized specification