Feedback induced polarisation switching in vertical cavity surface emitting lasers

Houlihan, John (2004) Feedback induced polarisation switching in vertical cavity surface emitting lasers. Optics Communications, 232 (1-6). p. 391. ISSN 00304018

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Official URL: http://dx.doi.org/10.1016/j.optcom.2004.01.001

Abstract

We analyse the behaviour of a bistable vertical cavity semiconductor laser under the influence of optical feedback. Without feedback, this laser emits either vertically or horizontally polarised light with a region where polarisation bistability is observed. In this paper, we show that weak optical feedback can induce polarisation switching regardless of the polarisation of the re-injected light. These switches are quite similar to those observed in the current noise induced case. However, remarkable differences appear in the probability distribution of switching times depending on the polarisation state of the re-injected light. Experimental results detailing these differences are presented and the possible contributing mechanisms discussed.

Item Type: Article
Departments or Groups: Optics Research Group
Depositing User: John Houlihan
Date Deposited: 19 Nov 2012 15:35
Last Modified: 22 Aug 2016 10:25
URI: http://repository-testing.wit.ie/id/eprint/1154

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