Fabrication and Characterization of Bragg Reflector Slow-Light Waveguide with Oxide Lateral Confinement

被引：3

作者：

Fuchida, Ayumi ^{[1
]}

Matsutani, Akihiro ^{[1
]}

Koyama, Fumio ^{[1
]}

机构：

[1] Tokyo Inst Technol, P&I Lab, Photon Integrat Syst Res Ctr, Yokohama, Kanagawa 2268503, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS | 2012年 / 51卷 / 05期

关键词：

PHOTONIC CRYSTALS; OPTICAL SWITCH;

D O I：

10.1143/JJAP.51.050203

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Slowing light in Bragg reflector waveguides enables us to miniaturize optical devices. A platform of low-loss slow-light waveguides with lateral optical confinement is required. We propose and fabricate a slow-light waveguide with lateral oxide confinement using an equivalent index difference in a lateral direction. The coupling and propagation losses are evaluated from the waveguide length dependence of insertion losses. The propagation loss is in the range of 0.1 dB/mu m for transverse magnetic (TM) modes. Also, it is predicted that the propagation loss can be reduced if we replace a top Au/distributed Bragg reflector (DBR) hybrid mirror with a Si/SiO2 DBR. (C) 2012 The Japan Society of Applied Physics

引用

页数：3

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