Spatial location of correlations in a random distributed feedback Raman fiber laser

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Spatial location of correlations in a random distributed feedback Raman fiber laser. / Vatnik, I. D.; Gorbunov, O. A.; Sugavanam, S. et al.

In: Optics Letters, Vol. 44, No. 6, 15.03.2019, p. 1516-1519.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{b87d990da7ef4dd9979a4c46a9aebe23,

title = "Spatial location of correlations in a random distributed feedback Raman fiber laser",

abstract = "Nonlinear interactions between different components of multiwavelength radiation are one of the main processes shaping properties of quasi-CW fiber lasers. In random fiber lasers, nonlinear influence may be more complicated, as there are no distinct longitudinal modes in radiation because of the random nature of the feedback. In this Letter, we experimentally characterize internal correlations in the radiation of a multiwavelength random distributed feedback fiber laser. An analysis of Pearson correlation functions allows us to spatially locate the area over the fiber laser length in which correlations are more likely to occur. This, in turn, leads us to the conclusion about the main mechanism of spectral correlations—the relative intensity noise transfer from the pump wave.",

keywords = "STATISTICAL PROPERTIES, GENERATION, DYNAMICS",

author = "Vatnik, {I. D.} and Gorbunov, {O. A.} and S. Sugavanam and Churkin, {D. V.} and Podivilov, {E. V.}",

note = "Publisher Copyright: {\textcopyright} 2019 Optical Society of America.",

year = "2019",

month = mar,

day = "15",

doi = "10.1364/OL.44.001516",

language = "English",

volume = "44",

pages = "1516--1519",

journal = "Optics Letters",

issn = "0146-9592",

publisher = "The Optical Society",

number = "6",

}

RIS

TY - JOUR

T1 - Spatial location of correlations in a random distributed feedback Raman fiber laser

AU - Vatnik, I. D.

AU - Gorbunov, O. A.

AU - Sugavanam, S.

AU - Churkin, D. V.

AU - Podivilov, E. V.

PY - 2019/3/15

Y1 - 2019/3/15

N2 - Nonlinear interactions between different components of multiwavelength radiation are one of the main processes shaping properties of quasi-CW fiber lasers. In random fiber lasers, nonlinear influence may be more complicated, as there are no distinct longitudinal modes in radiation because of the random nature of the feedback. In this Letter, we experimentally characterize internal correlations in the radiation of a multiwavelength random distributed feedback fiber laser. An analysis of Pearson correlation functions allows us to spatially locate the area over the fiber laser length in which correlations are more likely to occur. This, in turn, leads us to the conclusion about the main mechanism of spectral correlations—the relative intensity noise transfer from the pump wave.

AB - Nonlinear interactions between different components of multiwavelength radiation are one of the main processes shaping properties of quasi-CW fiber lasers. In random fiber lasers, nonlinear influence may be more complicated, as there are no distinct longitudinal modes in radiation because of the random nature of the feedback. In this Letter, we experimentally characterize internal correlations in the radiation of a multiwavelength random distributed feedback fiber laser. An analysis of Pearson correlation functions allows us to spatially locate the area over the fiber laser length in which correlations are more likely to occur. This, in turn, leads us to the conclusion about the main mechanism of spectral correlations—the relative intensity noise transfer from the pump wave.

KW - STATISTICAL PROPERTIES

KW - GENERATION

KW - DYNAMICS

UR - http://www.scopus.com/inward/record.url?scp=85062939362&partnerID=8YFLogxK

U2 - 10.1364/OL.44.001516

DO - 10.1364/OL.44.001516

M3 - Article

C2 - 30874690

AN - SCOPUS:85062939362

VL - 44

SP - 1516

EP - 1519

JO - Optics Letters

JF - Optics Letters

SN - 0146-9592

IS - 6

ER -

ID: 18949965