Enhanced photosensitivity in tin-codoped germanosilicate optical fibres

Dong, L., Cruz, J.L., Reekie, L., Xu, M.G. and Payne, D.N. (1995) Enhanced photosensitivity in tin-codoped germanosilicate optical fibres IEEE Photonics Technology Letters, 7, (9), pp. 1048-1050. (doi:10.1109/68.414699).


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Enhanced photosensitivity is found in Tin-codoped germanosilicate optical fibers. A photo-induced refractive index change (~1.4 x 10^-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 1.55µm. High temperature stability of the gratings in Tin-codoped germanosilicate fibers is also much over Boron-codoped fibers.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1109/68.414699
ISSNs: 1041-1135 (print)
Related URLs:
ePrint ID: 78146
Date :
Date Event
Date Deposited: 11 Mar 2010
Last Modified: 18 Apr 2017 20:24
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/78146

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