Unidirectional hybrid silicon ring laser with an intracavity S-bend

We demonstrate a hybrid silicon ring laser with an internal amplifying S-bend that couples a fraction of the counter-clockwise circulating light into the the clockwise direction. The device supported single-mode, unidirectional laser oscillation at certain bias conditions. A spatial field distributi...

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Bibliographic Details
Published in:Optics express 2015-10, Vol.23 (20), p.26369-26376
Main Authors: Sacher, Wesley D, Davenport, Michael L, Heck, Martijn J R, Mikkelsen, Jared C, Poon, Joyce K S, Bowers, John E
Format: Article
Language:English
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Summary:We demonstrate a hybrid silicon ring laser with an internal amplifying S-bend that couples a fraction of the counter-clockwise circulating light into the the clockwise direction. The device supported single-mode, unidirectional laser oscillation at certain bias conditions. A spatial field distribution model is derived to describe the unidirectional operation. A unidirectional clockwise laser output with a suppression ratio up to 18.6 dB over the counter-clockwise mode was achieved.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.23.026369