An integrated parity-time symmetric wavelength-tunable single-mode microring laser
Weilin Liu, Ming Li, Robert S. Guzzon and 5 more
Nature Communications · 2017
doi:10.1038/ncomms15389 (opens in a new tab)
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Abstract
The breaking of parity-time symmetric gain and loss profiles can be used to achieve single-mode lasing in coupled microring resonators. Here, Liuet al. show that this effect can be electrically controlled with a tunable lasing wavelength and strong sidemode suppression.
Abstract licence: CC BY-NC-ND
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