基于光纤光栅和光纤环形镜的波长选择开关

A Wavelength-Selective Switch Based on Fiber Bragg Grating and Fiber Loop Mirror

提出并实验研究了采用压电陶瓷调制的光纤环形镜与光纤光栅结合的新型波长选择性光纤开关 ,获得了开关动态范围大于 16 d B、波长选择端口插入损耗小于 0 .5d B的实验结果。研究表明光纤环形镜干涉臂长的平衡是器件的关键。

A new structure optical wavelength- selective switch based on fiber loop mirror and fiber Bragg grating is studied.The dynamic range of greater than 17d B and insertion loss of 0 .5d B at wavelength- selective port were obtained.The measured spectra and numerical simulation indicate that the imperfect of the device can be attributed to the definite difference between the two arms,which was about1.35mm.Devices with bettercharacteristics can be developed by decreasing the difference.