1.2T Coherent Lite Optical Transceiver
1.2T Coherent Lite optical transceiver chip is a preliminary O-band optical-engine concept for polarization-multiplexed 16QAM transmission. The source worksheet defines draft transmitter and receiver optical/electrical targets, including high-speed conversion, optical attenuation control, monitor photodiodes, and coherent-receiver performance.
Key Features
- High-performance silicon photonics optical engine
- O-band operating range of 1265-1337 nm with a 1310 nm typical wavelength.
- PM-16QAM transmission target at 1.2 Tb/s.
- Minimum 100 GHz transmitter electro-optic bandwidth with a co-designed driver.
- Minimum 100 GHz receiver optical-to-electrical bandwidth.
- Minimum 10 dB VOA attenuation range on both transmitter and receiver paths.
- Monitor-photodiode support for automatic bias control and draft high-speed electrical-interface targets.
Transmitter Specifications
- Operating wavelength: 1265-1337 nm
- Electro-optical bandwidth: 100 GHz
- Total optical insertion loss: < 19 dB
- Optical return loss: < -27 dB
- Polarization dependent loss: < 0.5 dB
Receiver Specifications
- Operating wavelength: 1310 nm
- Signal input responsivity: 40 mA/W
- LO input responsivity: 8 mA/W
- S21 electrical-to-optical bandwidth: 100 GHz
- Polarization dependent loss: < 0.5 dB