A novel variable optical attenuator and temperature sensor based on high-birefringence fiber-loop mirror

被引：4
|
作者：
Yan, Y [1 ]
Zhao, Q [1 ]
Chen, S [1 ]
Liu, L [1 ]
Zhang, H [1 ]
Dong, X [1 ]
机构：
[1] Nankai Univ, Inst Modern Opt, Tianjin 300071, Peoples R China
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2005年 / 44卷 / 03期
关键词：
VOA; HiBi; fiber loop mirror;
D O I：
10.1002/mop.20604
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A novel variable optical attenuator (VOA) based on high-birefringence (HiBi) fiber-loop mirror is proposed. The HiBi fiber-loop mirror is put into the temperature-controlling box. As the temperature increases, the transmission spectrum shifts with nearly unaltered shape. The attenuation at 1558 nm is more than 30 dB with about 2.5-dB insertion loss. Meanwhile, the wavelength shift with the temperature is vigorously linear. In this scheme, we propose a temperature sensor with fairly good linearity of 0.9997. Moreover, using theoretical analysis and numerical simulation, we explicitly explain our experimental results. (C) 2005 Wiley Periodicals, Inc.
引用
收藏
页码：259 / 261
页数：3
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