Title :
256 QAM (polarization-multiplexed, 5 Gsymbol/s) coherent transmission with an injection-locked homodyne detection technique
Author :
Kasai, Keisuke ; Beppu, Shohei ; Yixin Wang ; Nakazawa, Masataka
Author_Institution :
Res. Inst. of Electr. Commun., Tohoku Univ., Sendai, Japan
Abstract :
We demonstrate an 80 Gbit/s-256 QAM coherent optical transmission with a fiber laser-based injection-locked homodyne detection circuit. The circuit enabled low phase-noise carrier-phase synchronization, and an 80-Gbit/s data signal was successfully transmitted over 150 km.
Keywords :
fibre lasers; homodyne detection; multiplexing; optical fibre communication; phase noise; quadrature amplitude modulation; QAM coherent optical transmission; bit rate 80 Gbit/s; circuit enabled low phase-noise carrier-phase synchronization; data signal; distance 150 km; fiber laser-based; injection-locked homodyne detection technique; polarization-multiplexed coherent transmission; Optical fiber polarization; Optical filters; Optical polarization; Optical receivers; Quadrature amplitude modulation;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2015
Conference_Location :
Los Angeles, CA
