Direct measurements of localized spectral modes in random distributed feedback fiber laser

We present observation of ultra-narrow spectral modes in the generation of the random fiber laser by using a technique of optical heterodyning in real-time. We found that such modes have a spectral width below 3 MHz. The modes are spatially extended over the whole cavity and remain for tens of round...

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Main Authors:	Artem E. Kirik, Ilya D. Vatnik, Dmitry V. Churkin
Format:	Article
Language:	English
Published:	Elsevier 2021-09-01
Series:	Results in Physics
Subjects:	Fiber laser Random laser Raman laser Rayleigh backscattering
Online Access:	http://www.sciencedirect.com/science/article/pii/S2211379721007403

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spelling	doaj-45bccf4f49cd4f51a79202cd54db04742021-08-28T04:44:13ZengElsevierResults in Physics2211-37972021-09-0128104651Direct measurements of localized spectral modes in random distributed feedback fiber laserArtem E. Kirik0Ilya D. Vatnik1Dmitry V. Churkin2Novosibirsk State University, Pirogova str. 2, Novosibirsk 630090, RussiaCorresponding author.; Novosibirsk State University, Pirogova str. 2, Novosibirsk 630090, RussiaNovosibirsk State University, Pirogova str. 2, Novosibirsk 630090, RussiaWe present observation of ultra-narrow spectral modes in the generation of the random fiber laser by using a technique of optical heterodyning in real-time. We found that such modes have a spectral width below 3 MHz. The modes are spatially extended over the whole cavity and remain for tens of roundtrip times.http://www.sciencedirect.com/science/article/pii/S2211379721007403Fiber laserRandom laserRaman laserRayleigh backscattering
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Artem E. Kirik Ilya D. Vatnik Dmitry V. Churkin
spellingShingle	Artem E. Kirik Ilya D. Vatnik Dmitry V. Churkin Direct measurements of localized spectral modes in random distributed feedback fiber laser Results in Physics Fiber laser Random laser Raman laser Rayleigh backscattering
author_facet	Artem E. Kirik Ilya D. Vatnik Dmitry V. Churkin
author_sort	Artem E. Kirik
title	Direct measurements of localized spectral modes in random distributed feedback fiber laser
title_short	Direct measurements of localized spectral modes in random distributed feedback fiber laser
title_full	Direct measurements of localized spectral modes in random distributed feedback fiber laser
title_fullStr	Direct measurements of localized spectral modes in random distributed feedback fiber laser
title_full_unstemmed	Direct measurements of localized spectral modes in random distributed feedback fiber laser
title_sort	direct measurements of localized spectral modes in random distributed feedback fiber laser
publisher	Elsevier
series	Results in Physics
issn	2211-3797
publishDate	2021-09-01
description	We present observation of ultra-narrow spectral modes in the generation of the random fiber laser by using a technique of optical heterodyning in real-time. We found that such modes have a spectral width below 3 MHz. The modes are spatially extended over the whole cavity and remain for tens of roundtrip times.
topic	Fiber laser Random laser Raman laser Rayleigh backscattering
url	http://www.sciencedirect.com/science/article/pii/S2211379721007403
work_keys_str_mv	AT artemekirik directmeasurementsoflocalizedspectralmodesinrandomdistributedfeedbackfiberlaser AT ilyadvatnik directmeasurementsoflocalizedspectralmodesinrandomdistributedfeedbackfiberlaser AT dmitryvchurkin directmeasurementsoflocalizedspectralmodesinrandomdistributedfeedbackfiberlaser
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Direct measurements of localized spectral modes in random distributed feedback fiber laser

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