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Optimized pulse source for 40-Gb/s systems based on a gain-switched laser diode in conjunction with a nonlinearly chirped grating

Clarke, Aisling M. and Anandarajah, Prince M. and Reid, Douglas A. and Edvell, G. and Barry, Liam P. and Harvey, John D. (2005) Optimized pulse source for 40-Gb/s systems based on a gain-switched laser diode in conjunction with a nonlinearly chirped grating. IEEE Photonics Technology Letters, 17 (1). pp. 196-198. ISSN 1041-1135

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Abstract

The authors demonstrate the generation of short optical pulses, which display spectral sidemode suppression ratio, and temporal pedestal suppression ratio, well in excess of 30 dB. The exceptional spectral and temporal characteristics exhibited by these pulses are attained by employing a novel technology, based on an externally injected gain-switched laser in conjunction with a nonlinearly chirped grating. Using this technique, near transform limited 7-ps optical pulses, exhibiting a time bandwidth product of 0.49, are generated.

Item Type:Article (Published)
Refereed:Yes
Uncontrolled Keywords:Gratings; optical fiber communication; optical pulse compression; optical pulse generation; semiconductor lasers;
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/LPT.2004.838624
Copyright Information:Copyright © 2005 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:171
Deposited On:28 Jan 2008 by DORAS Administrator. Last Modified 02 Feb 2009 13:28

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