A wide tuning range electro-optic filter based on long-period waveguide grating

被引：2

作者：

Guo XiaoWei ^{[1
]}

Zhang XiaoXia ^{[1
]}

Li HePing ^{[1
]}

Liu Yong ^{[1
]}

Liu YongZhi ^{[1
]}

机构：

[1] Univ Elect Sci & Technol China, Sch Optoelect Informat, Chengdu 610054, Peoples R China

来源：

CHINESE SCIENCE BULLETIN | 2010年 / 55卷 / 13期

基金：

中国国家自然科学基金;

关键词：

optical filter; long-period waveguide grating; electro-optic tuning; polarization insensitivity; FIBER GRATINGS; CHROMOPHORE;

D O I：

10.1007/s11434-009-0359-0

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

We present the design of an electro-optic filter with polarization insensitivity based on a long period waveguide grating. The filter exhibits an ultra-large wavelength tuning range of exceeding 35 nm and covering the whole C band (1530 to 1565 nm) in a bias voltage range from -84 to 84 V. In the whole tuning range, the transmission coefficients for quasi TE modes are over 97% and the 3 dB bandwidths are below 0.8 nm. The wavelength sensitivity to the tunable voltage is about 0.208 nm/V. This electro-optic filter can be used in dynamic WDM networks for fast wavelength scanning/selection, communication channel reconfiguration, and optical switching.

引用

页码：1338 / 1342

页数：5

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