ENHANCED PHOTOSENSITIVITY IN TIN-CODOPED GERMANOSILICATE OPTICAL FIBERS

被引：54
作者：
DONG, L
CRUZ, JL
REEKIE, L
XU, MG
PAYNE, DN
机构：
[1] Optoelectronics Research Centre, The University of Southampton
[2] Departamento Física Aplicada, Universidad de Valencia, Burjassot, 46100, Valencia
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 1995年 / 7卷 / 09期
关键词：
D O I：
10.1109/68.414699
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：
Enhanced photosensitivity is found in Tin-codoped germanosilicate optical fibers. A photo-induced refractive index change (similar to 1.4 x 10(-3)) 3 times larger than that observed in pure germanosilicate fibers has been demonstrated, Unlike the technique of using Boron-codoping to enhance the photosensitivity of germanosilicate fibers, Tin-doping does not have a significant effect on fiber loss at the important telecommunication window of 1.55 mu m. High temperature stability of the gratings in Tin-codoped germanosilicate fibers is also much over Boron-codoped fibers.
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收藏
页码：1048 / 1050
页数：3
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