Modeling of the spectrum in a random distributed feedback fiber laser within the power balance modes

Ilya D. Vatnik; Dmitry V. Churkin

doi:10.1117/12.2052328

Modeling of the spectrum in a random distributed feedback fiber laser within the power balance modes

Ilya D. Vatnik, Dmitry V. Churkin

Aston Institute of Photonic Technologies (AiPT)

Research output: Chapter in Book/Published conference output › Conference publication

Abstract

The simplest model for a description of the random distributed feedback (RDFB) Raman fiber laser is a power balance model describing the evolution of the intensities of the waves over the fiber length. The model predicts well the power performances of the RDFB fiber laser including the generation threshold, the output power and pump and generation wave intensity distributions along the fiber. In the present work, we extend the power balance model and modify equations in such a way that they describe now frequency dependent spectral power density instead of integral over the spectrum intensities. We calculate the generation spectrum by using the depleted pump wave longitudinal distribution derived from the conventional power balance model. We found the spectral balance model to be sufficient to account for the spectral narrowing in the RDFB laser above the threshold of the generation.

Original language	English
Title of host publication	Laser sources and applications II
Editors	Jacob I. Mackenzie, Helena JelÍnková, Takunori Taira, Marwan Abdou Ahmed
Publisher	SPIE
Number of pages	7
ISBN (Print)	978-1-6284-1083-9
DOIs	https://doi.org/10.1117/12.2052328
Publication status	Published - 2014
Event	Laser sources and applications II - Brussels, Belgium Duration: 14 Apr 2014 → 17 Apr 2014

Publication series

Name	SPIE proceedings
Publisher	SPIE
Volume	9135
ISSN (Print)	0277-786X

Conference

Conference	Laser sources and applications II
Country/Territory	Belgium
City	Brussels
Period	14/04/14 → 17/04/14

Bibliographical note

Ilya D. Vatnik and Dmitry V. Churkin. "Modeling of the spectrum in a random distributed feedback fiber laser within the power balance modes ", Proc. SPIE 9135, Laser Sources and Applications II, 91351Z (May 1, 2014).

Copyright 2014 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic electronic or print reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.

DOI: http://dx.doi.org/10.1117/12.2052328

Keywords

balance model
Raman laser
random laser
Rayleigh backscattering

Access to Document

10.1117/12.2052328

Modeling of the spectrum in a random distributed feedback fiber laser within the power balance modes
Ilya D. Vatnik and Dmitry V. Churkin. "Modeling of the spectrum in a random distributed feedback fiber laser within the power balance modes ", Proc. SPIE 9135, Laser Sources and Applications II, 91351Z (May 1, 2014). Copyright 2014 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic electronic or print reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited. DOI: http://dx.doi.org/10.1117/12.2052328
Final published version, 289 KB

http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=1867889

Cite this

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title = "Modeling of the spectrum in a random distributed feedback fiber laser within the power balance modes",

abstract = "The simplest model for a description of the random distributed feedback (RDFB) Raman fiber laser is a power balance model describing the evolution of the intensities of the waves over the fiber length. The model predicts well the power performances of the RDFB fiber laser including the generation threshold, the output power and pump and generation wave intensity distributions along the fiber. In the present work, we extend the power balance model and modify equations in such a way that they describe now frequency dependent spectral power density instead of integral over the spectrum intensities. We calculate the generation spectrum by using the depleted pump wave longitudinal distribution derived from the conventional power balance model. We found the spectral balance model to be sufficient to account for the spectral narrowing in the RDFB laser above the threshold of the generation.",

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Vatnik, ID & Churkin, DV 2014, Modeling of the spectrum in a random distributed feedback fiber laser within the power balance modes. in JI Mackenzie, H JelÍnková, T Taira & M Abdou Ahmed (eds), Laser sources and applications II., 91351Z, SPIE proceedings, vol. 9135, SPIE, Laser sources and applications II, Brussels, Belgium, 14/04/14. https://doi.org/10.1117/12.2052328

Modeling of the spectrum in a random distributed feedback fiber laser within the power balance modes. / Vatnik, Ilya D.; Churkin, Dmitry V.
Laser sources and applications II. ed. / Jacob I. Mackenzie; Helena JelÍnková; Takunori Taira; Marwan Abdou Ahmed. SPIE, 2014. 91351Z (SPIE proceedings; Vol. 9135).

Research output: Chapter in Book/Published conference output › Conference publication

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Modeling of the spectrum in a random distributed feedback fiber laser within the power balance modes

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Bibliographical note

Keywords

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Lyot-filter based multiwavelength random distributed feedback fiber laser

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