Author:
Fan Yizhe,Yuan Bocheng,Ye Shengwei,Sun Yiming,Marsh John H.,Hou Lianping
Abstract
Based on four-phase shifted sampled Bragg gratings, a stable dual-wavelength DFB laser array is reported with frequency separations of 240 GHz, 320 GHz, 640 GHz, 800 GHz, and 1000 GHz.