DSP-Free Optical Phase Locked Loop Receiver for Energy Efficient Coherent Intra-Data Center Communications
Konferenz: ECOC 2024 - 50th European Conference on Optical Communication
22.09.2024-26.09.2024 in Frankfurt, Germany
Tagungsband: ITG-Fb. 317: ECOC 2024
Seiten: 4Sprache: EnglischTyp: PDF
Autoren:
Liu, Junqian; Wissing, Aaron; Movaghar, Ghazal; Andrade, Hector; Misak, Stephen; Maharry, Aaron; Dalton, James; Valenzuela, Luis A.; Gilardi, Giovanni; Kumar, Ranjeet; Su, Guan-Lin; Liu, Ansheng; Akulova, Yuliya; Coldren, Larry; Saleh, Adel A.M.; Buckwalter, James F.; Schow, Clint L.
Inhalt:
We report the first integrated O-band QPSK analog optical phase-locked loop receiver enabling 112 Gb/s (56 Gbaud) links with DSP-free homodyne carrier recovery on an on-chip local oscillator laser. BERs below HD-FEC thresholds were achieved with 8.8 pJ/bit receiver power consumption.