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On-chip high sensitivity laser frequency sensing with Brillouin mutually-modulated cross-gain modulation

Gao, Feng; Pant, Ravi; Li, Enbang; Poulton, Christopher G; Madden, Stephen J; Luther-Davies, Barry; Eggleton, Benjamin J; Choi, Duk-Yong


We report the first demonstration of a photonic-chip laser frequency sensor using Brillouin mutually-modulated cross-gain modulation (MMXGM). A large sensitivity (~9.5 mrad/kHz) of the modulation phase shift to probe carrier frequency is demonstrated at a modulation frequency of 50 kHz using Brillouin MMXGM in a ~7 cm long chalcogenide rib waveguide.

CollectionsANU Research Publications
Date published: 2013-04-08
Type: Journal article
Source: Optics express
DOI: 10.1364/OE.21.008605


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