Zhenxing Sun Rulei Xiao Gen Lv Zhirui Su Yating Zhou Xiangfei Chen Experimental Demonstration of Four-channel Tunable In-series DFB Laser Array with 100-GHz Spacing. 1-3 2020 UCET https://doi.org/10.1109/UCET51115.2020.9205448 conf/ucet/2020 db/conf/ucet/ucet2020.html#SunXLSZC20