Experimental demonstration of an ultracompact Si-nanowire-based reflective arrayed-waveguide grating (de)multiplexer with photonic crystal reflectors

被引：63
作者：
Dai, Daoxin [1 ]
Fu, Xin [1 ]
Shi, Yaocheng [1 ]
He, Sailing [1 ]
机构：
[1] Zhejiang Univ, Ctr Opt & Elect Res, State Key Lab Modern Opt Instrumentat, Hangzhou 310058, Zhejiang, Peoples R China
来源：
OPTICS LETTERS | 2010年 / 35卷 / 15期
关键词：
DEMULTIPLEXER; FABRICATION; CIRCUITS; WIRE; AWG;
D O I：
10.1364/OL.35.002594
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An ultracompact reflective arrayed-waveguide grating (AWG) (de)multiplexer based on Si nanowires is demonstrated for the first time (to our knowledge). Each waveguide in the array has an individual photonic crystal (PhC) reflector at its end, making the AWG layout design very flexible. An eight-channel AWG (de)multiplexer with a channel spacing of 400 GHz is demonstrated experimentally. The total size of the fabricated AWG is as small as 134 mu m x 115 mu m. The excess loss of the fabricated reflective AWG (de)multiplexer is about 3-4 dB, and the crosstalk is about -12 dB. (C) 2010 Optical Society of America
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收藏
页码：2594 / 2596
页数：3
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