High-speed (800 ps) and ultra-long-period (0.8 sec) characterization of laser phase noise by heterodyne detection with FPGA-implemented data acquisition

Hayato Kiwata; Masahiro Kikuta; Masahiro Sigihara; Koji Igarashi

doi:10.1364/SPPCOM.2020.SpM3I.4

OSA Advanced Photonics Congress (AP) 2020 (IPR, NP, NOMA, Networks, PVLED, PSC, SPPCom, SOF)
OSA Technical Digest (Optica Publishing Group, 2020),
paper SpM3I.4
•https://doi.org/10.1364/SPPCOM.2020.SpM3I.4

High-speed (800 ps) and ultra-long-period (0.8 sec) characterization of laser phase noise by heterodyne detection with FPGA-implemented data acquisition

Hayato Kiwata, Masahiro Kikuta, Masahiro Sigihara, and Koji Igarashi

Signal Processing in Photonic Communications 2020

Washington, DC United States
13–16 July 2020
ISBN: 978-1-943580-79-8

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H. Kiwata, M. Kikuta, M. Sigihara, and K. Igarashi, "High-speed (800 ps) and ultra-long-period (0.8 sec) characterization of laser phase noise by heterodyne detection with FPGA-implemented data acquisition," in OSA Advanced Photonics Congress (AP) 2020 (IPR, NP, NOMA, Networks, PVLED, PSC, SPPCom, SOF), L. Caspani, A. Tauke-Pedretti, F. Leo, and B. Yang, eds., OSA Technical Digest (Optica Publishing Group, 2020), paper SpM3I.4.

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Abstract

We show ultra-long-period high-speed characterization of laser phase noise. With coherent reception followed by FPGA-implemented data acquisition, broadband (over 100MHz) FM noise spectrum and ultra-long-term (0.8sec) field spectrogram are measured.

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