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Optical Engineering

Characteristics of a wavelength-switching fiber laser source
Author(s): Yong Wang; Chuan Swee Tjin; Liming He; Bryan Kok Ann Ngoi
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Paper Abstract

The static and switching characteristics of a novel wavelength-switching fiber laser source for an optically controlled phased-array antenna (OCPAA) has been studied experimentally. The laser source was configured within a unidirectional ring cavity, with a tunable fiber Fabry-Perot filter, containing two sampled fiber Bragg gratings with a wavelength spacing of about 1.6 nm. It can individually scan the 25 required wavelengths in the fiber Bragg grating array in the OCPAA within 0.08 s. The switching speed, limited by relaxation oscillation, was analyzed. The polarization insensitivity of the ring cavity made the laser output at each wavelength very stable. Side-mode suppression ratios greater than 40 dB for each lasing wavelength were realized.

Paper Details

Date Published: 1 November 2002
PDF: 10 pages
Opt. Eng. 41(11) doi: 10.1117/1.1511245
Published in: Optical Engineering Volume 41, Issue 11
Show Author Affiliations
Yong Wang, Nanyang Technological Univ. (Singapore)
Chuan Swee Tjin, Nanyang Technological Univ. (Singapore)
Liming He, Nanyang Technological Univ. (Singapore)
Bryan Kok Ann Ngoi, Nanyang Technological Univ. (Singapore)

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