Modelling of semiconductor laser amplifier for the terahertz optical asymmetric demultiplexer

Swift, Graham, Ghassemlooy, Zabih, Ray, Asim and Travis, Jon (1998) Modelling of semiconductor laser amplifier for the terahertz optical asymmetric demultiplexer. IEE Proceedings - Circuits, Devices and Systems, 145 (2). p. 61. ISSN 13502409

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Official URL: http://dx.doi.org/10.1049/ip-cds:19981256

Abstract

A semiconductor laser amplifier (SLA) may be used as a nonlinear element in ultrafast optical asymmetric demultiplexers. For demultiplexing to take place in the optical domain it is necessary to create a switching window by placing the SLA asymmetrically in an optical loop and saturating it with a short duration control pulse. The exact size of this window, for selecting the required pulse at the output port, depends mainly on the precise location of the SLA within the loop. In the paper a finite length model of an SLA, used as a switching gate within the loop is presented and results for the carrier density, gain and phase time responses together with transmission (switching) windows are also given. The result obtained for the latter is compared with practical data.

Item Type: Article
Subjects: H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: Becky Skoyles
Date Deposited: 25 Apr 2014 14:44
Last Modified: 24 Oct 2017 08:55
URI: http://nrl.northumbria.ac.uk/id/eprint/16168

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