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Ultra-narrow (sub-MHz) linewidth emission from discrete mode laser diodes

Guignard, Celine and Patchell, J. and Jones, D. and Kelly, Brian and Barry, Liam P. and Besnard, P. and O'Gorman, J. (2007) Ultra-narrow (sub-MHz) linewidth emission from discrete mode laser diodes. In: CLEOE-IQEC 2007 - European Conference on Lasers and Electro-Optics and the International Quantum Electronics Conference, 17-22 June 2007, Munich, Germany.

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Abstract

A class of laser which exhibits ultra-narrow sub MHz linewidth emission necessary for numerous applications in optical communications and sensors is described. The spectral performance of commercial discrete mode (DM) and distributed feedback (DFB) lasers is compared. The devices used in this work are asymmetrically coated ridge waveguide Fabry Perot lasers which incorporated etched slot features and emitting around lambda = 1.55 mum. The active region of the devices consisted of a strained compensated InAlGaAs MQW structure.

Item Type:	Conference or Workshop Item (Paper)
Event Type:	Conference
Refereed:	Yes
Subjects:	Engineering > Optical communication Physical Sciences > Lasers
DCU Faculties and Centres:	DCU Faculties and Schools > Faculty of Engineering and Computing > School of Electronic Engineering Research Initiatives and Centres > Research Institute for Networks and Communications Engineering (RINCE)
Publisher:	Institute of Electrical and Electronics Engineers
Official URL:	http://dx.doi.org/10.1109/CLEOE-IQEC.2007.4385949
Copyright Information:	©2007 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
ID Code:	2307
Deposited On:	16 Jan 2009 11:01 by DORAS Administrator. Last Modified 06 Mar 2009 14:08

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