A 112-Gbps, 0.73-pJ/bit Fully-Integrated O-band I-Q Optical Receiver in a 45-nm CMOS SOI-Photonic Process
- Resource Type
- Conference
- Authors
- Movaghar, Ghazal; Arrunategui, Viviana; Liu, Junqian; Maharry, Aaron; Schow, Clint; Buckwalter, James
- Source
- 2023 IEEE Radio Frequency Integrated Circuits Symposium (RFIC) Radio Frequency Integrated Circuits Symposium (RFIC), 2023 IEEE. :5-8 Jun, 2023
- Subject
- Communication, Networking and Broadcast Technologies
Components, Circuits, Devices and Systems
Engineered Materials, Dielectrics and Plasmas
Fields, Waves and Electromagnetics
Sensitivity
Optical interconnections
Optical device fabrication
Phase frequency detectors
Silicon photonics
Optical receivers
Radiofrequency integrated circuits
optical receiver
coherent demodulation
energy efficiency
CMOS SOI
silicon photonics
- Language
- ISSN
- 2375-0995
A 1310-nm (O-band) coherent optical receiver (CORX) is demonstrated with a monolithic electronic/photonic integrated circuit (MEPIC) process for short range optical interconnects. The CORX is designed using a 45-nm CMOS SOI photonic process for quadrature phase shift keying (QPSK) and includes I/Q channels that are characterized up to 56 GBaud (112 Gbps) with FEC-acceptable BER. The receiver achieves 0.73 p.l/bit energy efficiency and, to our knowledge, is the best energy efficiency reported for a coherent optical receiver.