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Generation of widely tunable picosecond pulses with large SMSR by externally injecting a gain-switched dual laser source

Clarke, Aisling M. and Anandarajah, Prince M. and Barry, Liam P. (2004) Generation of widely tunable picosecond pulses with large SMSR by externally injecting a gain-switched dual laser source. IEEE Photonics Technology Letters, 16 (10). pp. 2344-2346. ISSN 1041-1135

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Abstract

The authors demonstrate a procedure of generating picosecond optical pulses that are tunable over a wide wavelength range (65 nm) and have very high spectral purity side-mode suppression ratio [(SMSR)>60 dB]. The large tuning range is obtained by employing external injection into a gain-switched source containing two Fabry-Pe/spl acute/rot lasers. The use of a widely tunable Bragg grating at the output improves the SMSR such that it exceeds 60 dB over the entire tuning range.

Item Type:Article (Published)
Refereed:Yes
Uncontrolled Keywords:External injection; optical fiber communications; optical pulse generation; semiconductor laser; wavelength tunable; source.
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.2004.834523
Copyright Information:Copyright © 2004 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:172
Deposited On:28 Jan 2008 by DORAS Administrator. Last Modified 02 Feb 2009 13:29

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