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Investigation of noise suppression, pulse intensity and chirp of an actively mode-locked semiconductor fiber ring laser

Evans, Ivan and O'Riordan, Colm and Connelly, Michael J. and Barry, Liam P. and Clarke, Aisling M. and Anandarajah, Prince M. (2007) Investigation of noise suppression, pulse intensity and chirp of an actively mode-locked semiconductor fiber ring laser. Optics Communications, 280 (1). pp. 142-146. ISSN 0030-4018

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Abstract

An actively mode-locked fiber ring laser that utilizes an EDFA and semiconductor optical amplifier (SOA) is presented. The SOA enhances noise suppression. Active mode-locking was demonstrated at repetition rates up to 20 GHz. The effects of intra-cavity power and SOA current on noise suppression are studied for two types of commercially available SOA. The frequency resolved optical gating technique is used to characterize the output pulse stream intensity and frequency chirp.

Item Type:Article (Published)
Refereed:Yes
Uncontrolled Keywords:Ring laser; Mode-locking; Semiconductor optical amplifier; Frequency resolved optical gating; Optical pulse measurements;
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:Elsevier
Official URL:http://dx.doi.org/10.1016/j.optcom.2007.07.056
Use License:This item is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 License. View License
ID Code:129
Deposited On:15 Jan 2008 by DORAS Administrator. Last Modified 02 Feb 2009 10:39

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