the National Key Research and Development Program of China(Grant No.2020YFB2205804);the National Natural Science Foundation of China(Grant Nos.61974165 and Grant 61975075);the National Natural Science Foundation of China for the Youth,China(Grant No.62004105)。
A monolithic integrated two-section distributed feedback(TS-DFB)semiconductor laser for high-speed direct modulation is proposed and analyzed theoretically.The grating structure of the TS-DFB laser is designed by the ...
supported in part by the Young Elite Scientists Sponsorship Program by CAST(2022QNRC001);the National Natural Science Foundation of China(61621003,62101136);Natural Science Foundation of Shanghai(21ZR1403600);Shanghai Municipal Science and Technology Major Project(2018SHZDZX01);ZJLab,and Shanghai Municipal of Science and Technology Project(20JC1419500)。
Deep metric learning(DML)has achieved great results on visual understanding tasks by seamlessly integrating conventional metric learning with deep neural networks.Existing deep metric learning methods focus on designi...