Direct frequency comb spectroscopy using serrodyne modulation

Benjamin J. Reschovsky; David A. Long; Sean M. Bresler; Yiliang Bao; Joseph T. Hodges; John Lawall; Thomas W. LeBrun; Jason J. Gorman

doi:10.1364/fio.2023.jtu4a.26

JOURNAL ARTICLE

Direct frequency comb spectroscopy using serrodyne modulation

Benjamin J. Reschovsky David A. Long Sean M. Bresler Yiliang Bao Joseph T. Hodges John Lawall Thomas W. LeBrun Jason J. Gorman

Year: 2023 Pages: JTu4A.26-JTu4A.26

DOI: 10.1364/fio.2023.jtu4a.26

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Abstract

We demonstrate a novel heterodyne comb spectroscopy scheme where the typical acousto-optic modulator is replaced by a phase modulator driven with a serrodyne signal, enabling improved differential phase noise improvements and facilitating photonic chip integration.

Keywords:

Phase modulation Phase noise Photonics Heterodyne (poetry) Modulation (music) Frequency modulation Frequency comb Spectroscopy SIGNAL (programming language) Optics Phase (matter) Optoelectronics Noise (video) Materials science Physics Computer science Telecommunications Radio frequency Acoustics Laser

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Advanced Fiber Laser Technologies

Physical Sciences → Physics and Astronomy → Atomic and Molecular Physics, and Optics

Photonic and Optical Devices

Physical Sciences → Engineering → Electrical and Electronic Engineering

Mechanical and Optical Resonators

Physical Sciences → Physics and Astronomy → Atomic and Molecular Physics, and Optics

Direct frequency comb spectroscopy using serrodyne modulation

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