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Improved performance of a hybrid radio/fiber system using a directly modulated laser transmitter with external injection

Kaszubowska-Anandarajah, Aleksandra and Anandarajah, Prince M. and Barry, Liam P. (2002) Improved performance of a hybrid radio/fiber system using a directly modulated laser transmitter with external injection. IEEE Photonics Technology Letters, 14 (2). pp. 233-235. ISSN 1041-1135

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Abstract

A directly modulated laser diode with external light injection is used to generate microwave optical signals for a hybrid radio/fiber system. The external light injection greatly enhances the frequency response of the laser, and thus, significantly improves the overall performance of the hybrid system. Experimental results show a 14-dB improvement in system performance for the externally injected laser in a hybrid radio/fiber communication link used for distributing 155-Mb/s data signals

Item Type:Article (Published)
Refereed:Yes
Uncontrolled Keywords:External light injection; microwave photonics; modulation bandwidth; optical communications; optical systems; semiconductor laser diode;
Subjects:Engineering > Optical communication
Physical Sciences > Lasers
Physical Sciences > Semiconductors
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/10.1109/68.980532
Copyright Information:Copyright © 2002 IEEE. Reprinted from IEEE Photonics Technology Letters. This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of the Dublin City University's products or services. Internal or 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 must be obtained from the IEEE by writing to pubs-permissions@ieee.org. By choosing to view this document, you agree to all provisions of the copyright laws protecting it.
ID Code:181
Deposited On:28 Jan 2008 by DORAS Administrator. Last Modified 02 Feb 2009 13:48

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