Focusing subwavelength grating coupler for mid-infrared suspended membrane germanium waveguides

Jian Kang(Tokyo University of Information Sciences), Keisuke Goda(University of California, Los Angeles), Mitsuru Takenaka(Bunkyo University), Hon Ki Tsang(Chinese University of Hong Kong), Wen Zhou(Xi'an Jiaotong University), Ting‐Hui Xiao(Southern University of Science and Technology), Kimmy-Laure Gopalakrisna(The University of Tokyo), Zhenzhou Cheng(Ministry of Education of the People's Republic of China)
Optics Letters
May 19, 2017
Cited by 88


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