Variable-ratio power splitters using computer-generated planar holograms on multimode interference couplers

被引：18
|
作者：
Tseng, Shuo-Yen [1 ]
Choi, Seungkeun [1 ]
Kippelen, Bernard [1 ]
机构：
[1] Georgia Inst Technol, Sch Elect & Comp Engn, Ctr Organ Photon & Elect, Atlanta, GA 30332 USA
来源：
OPTICS LETTERS | 2009年 / 34卷 / 04期
基金：
美国国家科学基金会;
关键词：
FRONT-MATCHING METHOD; WAVE-GUIDE HOLOGRAMS; DEVICES; 2X2;
D O I：
10.1364/OL.34.000512
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Variable-ratio power splitters using computer-generated planar holograms on multimode interference couplers are analyzed. The coherent wave at the device input is transformed to the desired output using numerically calculated refractive index perturbations on multimode channel waveguides at half the beat length. Devices are fabricated on the silicon-on-insulator platform and characterized at a wavelength of 1.55 mu m. Power-splitting ratios are varied by changing the hologram etch depth and the hologram length. (C) 2009 Optical Society of America
引用
收藏
页码：512 / 514
页数：3
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