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	A novel design of grating couplers for efficient broadband coupling between silicon-on-insulator nanophotonic waveguides and fibres
	Yu, HJ; Yu, JZ
刊名	Chinese physics letters
	2005-11-01
卷号	22期号:11页码:2865-2868
ISSN号	0256-307X
通讯作者	Yu, hj(yhjun@red.semi.ac.cn)
英文摘要	A novel design of out-of-plane grating couplers is proposed for coupling between silicon-on-insulator nanophotonic waveguides and single-mode fibres. the coupler with the first-order diffraction coupling to the optical fibre is actually a second-order reflected grating with two times of period of the first-order grating. to enhance outcoupled power, a back hole is designed to form in the silicon substrate and a kind of metals is placed on the top acting as a reflection layer. the coupler is optimized using coupled-mode- based simulations, showing that, the coupling efficiency to and from tapered optical fibre can be as high as 85% with 1 db bandwidth about 23nm.
WOS关键词	LASER-DIODE
WOS研究方向	Physics
WOS类目	Physics, Multidisciplinary
语种	英语
出版者	CHINESE PHYSICAL SOC
WOS记录号	WOS:000233180800039
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2426467
专题	半导体研究所
通讯作者	Yu, HJ
作者单位	Chinese Acad Sci, Inst Semicond, State Key Lab Integrated Optoelect, Beijing 100083, Peoples R China
推荐引用方式 GB/T 7714	Yu, HJ,Yu, JZ. A novel design of grating couplers for efficient broadband coupling between silicon-on-insulator nanophotonic waveguides and fibres[J]. Chinese physics letters,2005,22(11):2865-2868.
APA	Yu, HJ,&Yu, JZ.(2005).A novel design of grating couplers for efficient broadband coupling between silicon-on-insulator nanophotonic waveguides and fibres.Chinese physics letters,22(11),2865-2868.
MLA	Yu, HJ,et al."A novel design of grating couplers for efficient broadband coupling between silicon-on-insulator nanophotonic waveguides and fibres".Chinese physics letters 22.11(2005):2865-2868.

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