Journal
OPTICS EXPRESS
Volume 27, Issue 23, Pages 33738-33745Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.27.033737
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Funding
- Natural Sciences and Engineering Research Council of Canada
- Fonds de Recherche du Quebec - Nature et Technologies
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A guided-wave chip laser operating in a single longitudinal mode at 2860 nm is presented. The cavity was set in the Littman-Metcalf configuration to achieve single-frequency operation with a side-mode suppression ratio above 33 dB. The chip laser's 2 MHz linewidth on a 10 ms scale was found to be limited by mechanical fluctuations, but its Lorentzian contribution was estimated to be lower than 1 Hz using a heterodyne technique. This demonstration incorporates a high coherence source with the simplicity provided by the compactness of chip lasers. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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