Thermo-optically tunable silicon photonic crystal light modulator

被引：20

作者：

Cui, Yonghao ^{[1
]}

Liu, Ke ^{[1
]}

MacFarlane, Duncan L. ^{[1
]}

Lee, Jeong-Bong ^{[1
]}

机构：

[1] Univ Texas Dallas, Dept Elect Engn, Richardson, TX 75080 USA

来源：

OPTICS LETTERS | 2010年 / 35卷 / 21期

基金：

美国国家科学基金会;

关键词：

WAVE-GUIDES;

D O I：

10.1364/OL.35.003613

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We designed, fabricated, and characterized a thermo-optically tunable compact (10 mu m x 10 mu m) silicon photonic crystal (PhC) light modulator that operates at around 1.55 mu m for TE polarization. The operational principle of the device is the modulation of the cutoff frequency in a silicon-based line defect PhC. The cutoff frequency is shifted because of the thermo-optic tuning of the silicon refractive index, which is realized by localized heating on the PhC. The modulator is formed by a triangular lattice array of cylindrical air holes on a silicon-on-insulator wafer. Optical characterization was carried out, and the result clearly showed thermo-optic tuning of the cutoff frequency at around 1.55 mu m. (C) 2010 Optical Society of America

引用

页码：3613 / 3615

页数：3

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