Title :
High efficiency and SMSR distributed feedback laser array integrated with passive grating reflector based on reconstruction-equivalent-chirp technique
Author :
Yunshan Zhang ; Jilin Zheng ; Yuechun Shi ; Shengping Liu ; Wenting Wang ; Jun Lu ; Haiming Xu ; Qi Tang ; Xiangfei Chen
Author_Institution :
Nat. Lab. of Solid State Microstructures, Nanjing Univ., Nanjing, China
Abstract :
We reported a 4-channel DFB laser array integrated with passive-grating-reflector utilizing reconstruction-equivalent-chirp technique. 53.3% increase of slope efficiency, 27.3% decrease of threshold current are obtained with >60dB SMSR and wavelength spacing deviation <; 0.07nm.
Keywords :
distributed feedback lasers; optical elements; distributed feedback laser array; passive grating reflector; reconstruction-equivalent-chirp technique; side mode suppression ratio;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2015
Conference_Location :
Los Angeles, CA
