Thermo-optically tunable silicon photonic crystal light modulator

被引：19
|
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
收藏
页码：3613 / 3615
页数：3
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