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Lyot filter based multiwavelength fiber ring laser actively 3 mode-locked at 10 GHz using an electroabsorption modulator.
O'Riordan, Colm; Connelly, Michael J.; Anandarajah, P.; Maher, Robert; Barry, Liam P.
A multiwavelength fiber ring laser comprising of a Lyot filter and hybrid gain medium is presented. A wavelength channel spacing of 100 GHz is achieved by appropriate tuning of the Lyot filter length. Four wavelength channels are simultaneously mode-locked at 10 GHz using an electroabsorption modulator. We highlight how the intra-cavity modulator can affect the stability of the mode-locked laser spectrum when used in conjunction with a Lyot filter. We show that, due its reduced polarization sensitivity, an electroabsorption modulator significantly improves the stability of the mode-locked laser spectrum when compared to using a Mach–Zehnder modulator.
Keyword(s): Lyot filter; Mach-Zehnder modulator; mode-locked lasers; electroabsorption modulator
Publication Date:
2008
Type: Journal article
Peer-Reviewed: Yes
Language(s): English
Institution: University of Limerick
Funder(s): Irish Research Council for Science Engineering and Technology
Citation(s): Optics Communications;281(13) pp. 3538-3541
http://dx.doi.org/10.1016/j.optcom.2008.03.014
Publisher(s): Elsevier
First Indexed: 2012-02-29 05:28:31 Last Updated: 2018-07-08 06:32:14