Single-frequency mid-infrared waveguide laser | Zendy

Philippe Guay | Zendy; Jérôme Genest | Zendy; Vincent Michaud-Belleau | Zendy; Nicolas Bourbeau Hébert | Zendy; David G. Lancaster | Zendy

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Single-frequency mid-infrared waveguide laser

Author(s) -

Philippe Guay,

Jérôme Genest,

Vincent Michaud-Belleau,

Nicolas Bourbeau Hébert,

David G. Lancaster

Publication year - 2019

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.27.033737

Subject(s) - optics , laser linewidth , laser , longitudinal mode , coherence (philosophical gambling strategy) , heterodyne detection , chip , materials science , coherence length , heterodyne (poetry) , waveguide , single mode optical fiber , optoelectronics , physics , telecommunications , acoustics , superconductivity , quantum mechanics , computer science

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.

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