50 GBaud QPSK 0.98 pJ/bit Receiver in 45 nm CMOS and 90 nm Silicon Photonics
Hector Andrade, Yujie Xia, Aaron Maharry, Luis A. Valenzuela, James F. Buckwalter, Clint L. Schow
Abstract
Low-power O-band receivers are required for next-generation coherent intra-datacenter interconnects. In this paper, a 0.98 pJ/bit QPSK receiver using a 45 nm CMOS process and a 90 nm Silicon Photonics (SiP) process is demonstrated at up to 50 GBaud.
Topics & Concepts
Silicon photonicsPhotonicsPhase-shift keyingCMOSSiliconOptoelectronicsMaterials scienceElectronic engineeringComputer scienceBit error rateTelecommunicationsEngineeringDecoding methodsPhotonic and Optical DevicesOptical Network TechnologiesAdvanced Photonic Communication Systems