Electro-Thermal Beam Steering Using Bragg Reflector Waveguide Amplifier

被引：11
|
作者：
Gu, Xiaodong [1 ]
Shimada, Toshikazu [1 ]
Fuchida, Ayumi [1 ]
Matsutani, Akihiro [1 ]
Imamura, Akihiro [1 ]
Koyama, Fumio [1 ]
机构：
[1] Tokyo Inst Technol, Photon Integrat Syst Res Ctr, Precis & Intelligence Lab, Yokohama, Kanagawa 2268503, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS | 2012年 / 51卷 / 02期
关键词：
OPTICAL PHASED-ARRAY; WAVELENGTH;
D O I：
10.1143/JJAP.51.020206
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We demonstrate the electro-thermal beam steering taking advantage of the large angular dispersion of a Bragg Reflector waveguide amplifier. It is realized by changing the waveguide refractive index with injection current in the amplifier. Both theoretical calculations and experimental demonstration are presented. Output light rotates over 6 degrees with an injection current of 400 mA. The divergence angle is smaller than 1 degrees. The result reveals a possibility of electro-thermal tuning in our proposed beam steering device. (C) 2012 The Japan Society of Applied Physics
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页数：3
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