半导体光子学与技术, 2005, 11 (1): 5, 网络出版: 2011-08-18  

Bragg Grating Formation in B/Ge Codoped Optical Fibers

Bragg Grating Formation in B/Ge Codoped Optical Fibers
作者单位
1 School of Electron. Eng., Beijing University of Posts and Telecommunications, Beijing 100876, CHN
2 Optoelectron. Research Centre, City University of Hongkong, Tat Chee Avenue, Kowloon, Hongkong, CHN
摘要
Abstract
A 2-cm long Bragg grating with reflectivity of ~99.95% in B/Ge codoped optical fiber without hydrogen loading was created by phase-mask method with a pulsed KrF excimer laser at 248 nm. DC and AC components of refractive index change were analyzed by monitoring transmission spectrum evolution during the writing process of fiber Bragg grating. The relations of the evolution of center wavelength and reflectivity with number of pulses were respectively investigated.

SANG Xin-zhu, YU Chong-xiu, Chu Pak L, Lai Robust, ZHANG Qi. Bragg Grating Formation in B/Ge Codoped Optical Fibers[J]. 半导体光子学与技术, 2005, 11(1): 5. SANG Xin-zhu, YU Chong-xiu, Chu Pak L, Lai Robust, ZHANG Qi. Bragg Grating Formation in B/Ge Codoped Optical Fibers[J]. Semiconductor Photonics and Technology, 2005, 11(1): 5.

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