Bidirectional frequency-shifting loop for dual-comb spectroscopy

Optics Letters
Vicente DuránHugues Guillet de Chatellus

Abstract

We present a bidirectional recirculating frequency-shifting loop, seeded by a continuous-wave (cw) laser, to perform multi-heterodyne interferometry. This fiber-optic system generates two counter-propagating "acousto-optic" frequency combs with a controllable line spacing. Apart from its simple architecture, coherent averaging allows us to reach acquisition times up to the second scale without resorting to any active stabilization mechanism. We also show that the relative phase between the combs is quadratic and can be easily controlled by adjusting the parameters of the loop. The capability of our scheme to perform molecular spectroscopy is proven by dual-comb measurements of a transition of hydrogen cyanide in the near-infrared region (1550 nm).

References

Jul 1, 2010·Optics Express·Nathan R NewburyWilliam Swann
Apr 30, 2011·Science·T J KippenbergS A Diddams
Oct 6, 2012·Optics Express·Julien RoyJérôme Genest
Feb 28, 2014·Nature Communications·Takuro IdeguchiTheodor W Hänsch
Dec 25, 2015·Optics Express·Vicente DuránVictor Torres-Company
Jul 15, 2016·Optics Express·Adam J FleisherDavid F Plusquellic
Sep 16, 2016·Optics Letters·Vicente DuránVíctor Torres-Company
Aug 10, 2017·Optics Express·Elena L TeleanuVíctor Torres-Company
Jan 13, 2018·Optics Letters·Xianglei YanJosé Azaña
Feb 24, 2018·Science·Myoung-Gyun Suh, Kerry J Vahala
May 3, 2018·Optics Express·Pedro Martín-MateosPablo Acedo
Jun 8, 2018·Optics Express·Vicente DuránHugues Guillet de Chatellus
Aug 11, 2018·Science·Tobias J KippenbergMichael L Gorodetsky
Dec 1, 2018·Optics Letters·M Imrul KayesMartin Rochette
Jun 6, 2019·Optics Express·Nithyanandan KanagarajHugues Guillet de Chatellus
Jan 1, 2016·Optica·Ian CoddingtonWilliam Swann

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