Design of resonance grating coupler

被引：40

作者：

Ura, Shogo ^{[1
]}

Murata, Shunsuke ^{[1
]}

Awatsuji, Yasuhiro ^{[1
]}

Kintaka, Kenji ^{[2
]}

机构：

[1] Kyoto Inst Technol, Grad Sch Sci & Technol, Dept Elect, Sakyo Ku, Kyoto 6068585, Japan

[2] Natl Inst Adv Ind Sci & Technol, Photon Res Inst, Tsukuba 3058568, Japan

来源：

OPTICS EXPRESS | 2008年 / 16卷 / 16期

关键词：

D O I：

10.1364/OE.16.012207

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A new integrated-optic coupler was proposed for coupling a guided wave to a free-space wave propagating vertically from the waveguide surface. The coupler consists of a grating coupler in a cavity formed by two distributed Bragg reflectors, and has a small aperture. The cavity was designed to eliminate both transmission and reflection of the incident guided wave, resulting in 100 % radiation by a several-micron aperture. Design consideration was theoretically discussed based on the coupled mode analysis. Predicted performance was simulated and confirmed by the finite difference time domain method. (C) 2008 Optical Society of America.

引用

页码：12207 / 12213

页数：7

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