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Narrow linewidth Brillouin laser based on chalcogenide photonic chip

Kabakova, Irina V; Pant, Ravi; Debbarma, Sukhanta; Luther-Davies, Barry; Madden, Stephen J; Eggleton, Benjamin J; Choi, Duk-Yong


We present, to the best of our knowledge, the first demonstration of a narrow linewidth, waveguide-based Brillouin laser that is enabled by large Brillouin gain of a chalcogenide chip. The waveguides are equipped with vertical tapers for low-loss coupling. Due to optical feedback for the Stokes wave, the lasing threshold is reduced to 360 mW, which is five times lower than the calculated single-pass Brillouin threshold for the same waveguide. The slope efficiency of the laser is found to be...[Show more]

CollectionsANU Research Publications
Date published: 2013-09-01
Type: Journal article
Source: Optics letters
DOI: 10.1364/OL.38.003208


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