Narrow linewidth Brillouin laser based on chalcogenide photonic chip
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Kabakova, Irina V; Pant, Ravi; Debbarma, Sukhanta; Luther-Davies, Barry; Madden, Stephen J; Eggleton, Benjamin J; Choi, Duk-Yong
Description
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]
Collections | ANU Research Publications |
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Date published: | 2013-09-01 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/101210 |
Source: | Optics letters |
DOI: | 10.1364/OL.38.003208 |
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