应用光学, 2006, 27 (2): 0133, 网络出版: 2010-06-03   

对称结构光纤光栅耦合器及其应用

Symmetric fiber grating coupler and its application
作者单位
国防科学技术大学 光电科学与工程学院,长沙 410073
摘要
光纤光栅耦合器(FGC)具有光纤光栅良好的波长选择特性和光纤耦合器的多端口特点,易于实现全光纤的光波分插复用。光纤光栅耦合器主要有4种结构:基于M-Z干涉仪的分离型、基于100%耦合器的非对称型、基于0耦合器的非对称型和基于100%耦合器的对称型。着重介绍对称结构光纤光栅耦合器的结构、工作原理和研究现状。提出了测试方案,并探讨了这种器件在大规模波分复用光纤传感器阵列中的应用。
Abstract
Fiber grating coupler (FGC) has good wavelength selection characteristic of optical fiber grating as well as multiport advantage of fiber coupler. These features make it easy to realize all-fiber optical add/drop multiplex (OADM). Now there are four major types of FGCs: separated structure based on Mach Zehnder interferometer,dissymmetric structure based on 100% coupler,dissymmetric structure based on 0 coupler and symmetric structure based on 1000% coupler. The structure,operation principle and present situation of the symmetric structure FGC are introduced emphatically. The test method for the device is proposed. Furthermore,the application of this device used in large-scale WDM optical fiber sensor arrays was also investigated.
参考文献

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苏鹏, 杨华勇, 李智忠, 胡永明. 对称结构光纤光栅耦合器及其应用[J]. 应用光学, 2006, 27(2): 0133. SU Peng, YANG Hua-yong, LI Zhi-zhong, HU Yong-ming. Symmetric fiber grating coupler and its application[J]. Journal of Applied Optics, 2006, 27(2): 0133.

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