Low power consumption 4-channel variable optical attenuator array based on planar lightwave circuit technique
Ren Mei-Zhen
1, 2
, Zhang Jia-Shun
1, †
, An Jun-Ming
1, 2
, Wang Yue
1
, Wang Liang-Liang
1
, Li Jian-Guang
1
, Wu Yuan-Da
1, 2
, Yin XiaoJie
1
, Hu Xiong-Wei
1
(color online) Cross-sectional view of the thermal field distribution when the power is 150 mW.