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Single-frequency mid-infrared waveguide laser
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DOI：10.1364/OE.27.033737.png)
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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
Keyword:
LINEWIDTH
GENERATION
NOISE
期刊
IF:
3.3
论文数:
6.1W
被引数:
14.3W
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引用论文
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