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Coherent Rayleigh Backscatter Phase Noise in Digitally Enhanced Fiber Interferometers

The coupling of Rayleigh backscatter induced phase noise in bi-directional, inline fiber interferometers compromises detection sensitivity for Fourier frequencies less than 1 Hz. Here we report experimental and theoretical work highlighting the coupling of backscatter phase noise, and its subsequent range-gating and suppression using digitally enhanced homodyne interferometry. Between two in-line fiber interferometers, each with a differential arm-length of 8 km, we demonstrate a relative stability of 10 Hz/√Hz at a Fourier frequency of 100 mHz.

Ketersediaan

Informasi Detail

Judul Seri

JOURNAL OF LIGHTWAVE TECHNOLOGY; Vol.39 No.8 April 15 2021

No. Panggil

-

Penerbit

: .,

Deskripsi Fisik

p. 2625 - 2630

Bahasa

English

ISBN/ISSN

-

Klasifikasi

-

Tipe Isi

-

Tipe Media

-

Tipe Pembawa

-

Edisi

-

Subjek

FIBER OPTICS
OPTICAL INTERFEROMETRY
FREQUENCY MEASUREMENT
PHASE MEASUREMENT

Info Detail Spesifik

DOI: 10.1109/JLT.2021.3049567

Pernyataan Tanggungjawab

Chathura P. Bandutunga, Ya Zhang, Terry G. McRae, Malcolm B. Gray, Jong H. Chow

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