Outcoupling of Light Generated in a Monolithic Silicon Photonic Crystal Nanocavity through a Lateral Waveguide

被引：1

作者：

Dorfner, Dominic F. ^{[1
,2
,3
]}

Iwamoto, Satoshi ^{[1
,2
]}

Nomura, Masahiro ^{[1
,2
]}

Nakayama, Shigeru ^{[1
,2
]}

Finley, Jonathan J. ^{[3
]}

Abstreiter, Gerhard ^{[3
]}

Arakawa, Yasuhiko ^{[1
,2
]}

机构：

[1] Univ Tokyo, Adv Sci & Technol Res Ctr, Meguro Ku, Tokyo 1538094, Japan

[2] Univ Tokyo, Inst Nano Quantum Informat Elect, Meguro Ku, Tokyo 1538094, Japan

[3] Tech Univ Munich, Walter Schottky Inst, D-85748 Garching, Germany

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS | 2009年 / 48卷 / 06期

关键词：

D O I：

10.1143/JJAP.48.062003

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report the design, fabrication and optical investigation of silicon nanocavity light sources based on silicon on insulator photonic crystal nanocavities. The planar geometry of the two-dimensional photonic crystal allows light to be efficiently out-coupled into a planar photonic circuit and our results demonstrate enhanced light transmission from a defect nano-cavity into a W1 photonic crystal waveguide. When compared to the sample without the cavity, we observe an 11-fold enhancement of the luminescence emitted from the cleaved facets of the waveguide measured at the cavity wavelength. The emission exhibits a characteristically strong spatial dependence, confirming that it indeed arises from light generated in the cavity and out-coupled via the waveguide. The obtained cavity mode frequency and spatial dependence are in excellent agreement with finite-difference time-domain simulations and their dependence on the photonic crystal structural properties. (C) 2009 The Japan Society of Applied Physics

引用

页数：4

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