Influence of the generated power, measurement bandwidth, and noise level on intensity statistics of a quasi-CW Raman fiber laser

Oleg A. Gorbunov; Srikanth Sugavanam; Dmitry V. Churkin

doi:10.1117/12.2052296

Influence of the generated power, measurement bandwidth, and noise level on intensity statistics of a quasi-CW Raman fiber laser

Oleg A. Gorbunov^*, Srikanth Sugavanam, Dmitry V. Churkin

^*Corresponding author for this work

Aston Institute of Photonic Technologies (AiPT)

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

Abstract

In the present paper we numerically study instrumental impact on statistical properties of quasi-CW Raman fiber laser using a simple model of multimode laser radiation. Effects, that have the most influence, are limited electrical bandwidth of measurement equipment and noise. To check this influence, we developed a simple model of the multimode quasi- CW generation with exponential statistics (i.e. uncorrelated modes). We found that the area near zero intensity in probability density function (PDF) is strongly affected by both factors, for example both lead to formation of a negative wing of intensity distribution. But far wing slope of PDF is not affected by noise and, for moderate mismatch between optical and electrical bandwidth, is only slightly affected by bandwidth limitation. The generation spectrum often becomes broader at higher power in experiments, so the spectral/electrical bandwidth mismatch factor increases over the power that can lead to artificial dependence of the PDF slope over the power. It was also found that both effects influence the ACF background level: noise impact decreases it, while limited bandwidth leads to its increase.

Original language	English
Title of host publication	Nonlinear optics and its applications VIII; and quantum optics III
Editors	Benjamin J. Eggleton, Alexander L. Gaeta, Neil G.R. Broderick, Alexander V. Sergienko, Arno Rauschenbeutel, Thomas Durt
Place of Publication	Bellingham, WA (US)
Publisher	SPIE
Number of pages	8
ISBN (Print)	978-1-62841084-6
DOIs	https://doi.org/10.1117/12.2052296
Publication status	Published - 2014
Event	Nonlinear Optics and Its Applications VIII; and Quantum Optics III - Brussels, Belgium Duration: 14 Apr 2014 → 16 Apr 2014

Publication series

Name	SPIE proceedings
Publisher	SPIE
Volume	9136
ISSN (Print)	0277-786X

Conference

Conference	Nonlinear Optics and Its Applications VIII; and Quantum Optics III
Country/Territory	Belgium
City	Brussels
Period	14/04/14 → 16/04/14

Bibliographical note

Copyright 2014. Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic 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.

Keywords

measurement equipment impact
statistical properties of multimode lasers

Access to Document

10.1117/12.2052296

Generated power, measurement bandwidth, and noise level on intensity statistics of a quasi-CW Raman fiber laserSubmitted manuscript, 302 KB

http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=1867805

Cite this

Gorbunov, O. A., Sugavanam, S., & Churkin, D. V. (2014). Influence of the generated power, measurement bandwidth, and noise level on intensity statistics of a quasi-CW Raman fiber laser. In B. J. Eggleton, A. L. Gaeta, N. G. R. Broderick, A. V. Sergienko, A. Rauschenbeutel, & T. Durt (Eds.), Nonlinear optics and its applications VIII; and quantum optics III Article 913613 (SPIE proceedings; Vol. 9136). SPIE. https://doi.org/10.1117/12.2052296

Gorbunov, Oleg A. ; Sugavanam, Srikanth ; Churkin, Dmitry V. / Influence of the generated power, measurement bandwidth, and noise level on intensity statistics of a quasi-CW Raman fiber laser. Nonlinear optics and its applications VIII; and quantum optics III. editor / Benjamin J. Eggleton ; Alexander L. Gaeta ; Neil G.R. Broderick ; Alexander V. Sergienko ; Arno Rauschenbeutel ; Thomas Durt. Bellingham, WA (US) : SPIE, 2014. (SPIE proceedings).

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abstract = "In the present paper we numerically study instrumental impact on statistical properties of quasi-CW Raman fiber laser using a simple model of multimode laser radiation. Effects, that have the most influence, are limited electrical bandwidth of measurement equipment and noise. To check this influence, we developed a simple model of the multimode quasi- CW generation with exponential statistics (i.e. uncorrelated modes). We found that the area near zero intensity in probability density function (PDF) is strongly affected by both factors, for example both lead to formation of a negative wing of intensity distribution. But far wing slope of PDF is not affected by noise and, for moderate mismatch between optical and electrical bandwidth, is only slightly affected by bandwidth limitation. The generation spectrum often becomes broader at higher power in experiments, so the spectral/electrical bandwidth mismatch factor increases over the power that can lead to artificial dependence of the PDF slope over the power. It was also found that both effects influence the ACF background level: noise impact decreases it, while limited bandwidth leads to its increase.",

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Gorbunov, OA, Sugavanam, S & Churkin, DV 2014, Influence of the generated power, measurement bandwidth, and noise level on intensity statistics of a quasi-CW Raman fiber laser. in BJ Eggleton, AL Gaeta, NGR Broderick, AV Sergienko, A Rauschenbeutel & T Durt (eds), Nonlinear optics and its applications VIII; and quantum optics III., 913613, SPIE proceedings, vol. 9136, SPIE, Bellingham, WA (US), Nonlinear Optics and Its Applications VIII; and Quantum Optics III, Brussels, Belgium, 14/04/14. https://doi.org/10.1117/12.2052296

Influence of the generated power, measurement bandwidth, and noise level on intensity statistics of a quasi-CW Raman fiber laser. / Gorbunov, Oleg A.; Sugavanam, Srikanth; Churkin, Dmitry V.
Nonlinear optics and its applications VIII; and quantum optics III. ed. / Benjamin J. Eggleton; Alexander L. Gaeta; Neil G.R. Broderick; Alexander V. Sergienko; Arno Rauschenbeutel; Thomas Durt. Bellingham, WA (US): SPIE, 2014. 913613 (SPIE proceedings; Vol. 9136).

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

TY - GEN

T1 - Influence of the generated power, measurement bandwidth, and noise level on intensity statistics of a quasi-CW Raman fiber laser

AU - Gorbunov, Oleg A.

AU - Sugavanam, Srikanth

AU - Churkin, Dmitry V.

N1 - Copyright 2014. Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic 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.

PY - 2014

Y1 - 2014

N2 - In the present paper we numerically study instrumental impact on statistical properties of quasi-CW Raman fiber laser using a simple model of multimode laser radiation. Effects, that have the most influence, are limited electrical bandwidth of measurement equipment and noise. To check this influence, we developed a simple model of the multimode quasi- CW generation with exponential statistics (i.e. uncorrelated modes). We found that the area near zero intensity in probability density function (PDF) is strongly affected by both factors, for example both lead to formation of a negative wing of intensity distribution. But far wing slope of PDF is not affected by noise and, for moderate mismatch between optical and electrical bandwidth, is only slightly affected by bandwidth limitation. The generation spectrum often becomes broader at higher power in experiments, so the spectral/electrical bandwidth mismatch factor increases over the power that can lead to artificial dependence of the PDF slope over the power. It was also found that both effects influence the ACF background level: noise impact decreases it, while limited bandwidth leads to its increase.

AB - In the present paper we numerically study instrumental impact on statistical properties of quasi-CW Raman fiber laser using a simple model of multimode laser radiation. Effects, that have the most influence, are limited electrical bandwidth of measurement equipment and noise. To check this influence, we developed a simple model of the multimode quasi- CW generation with exponential statistics (i.e. uncorrelated modes). We found that the area near zero intensity in probability density function (PDF) is strongly affected by both factors, for example both lead to formation of a negative wing of intensity distribution. But far wing slope of PDF is not affected by noise and, for moderate mismatch between optical and electrical bandwidth, is only slightly affected by bandwidth limitation. The generation spectrum often becomes broader at higher power in experiments, so the spectral/electrical bandwidth mismatch factor increases over the power that can lead to artificial dependence of the PDF slope over the power. It was also found that both effects influence the ACF background level: noise impact decreases it, while limited bandwidth leads to its increase.

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KW - statistical properties of multimode lasers

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SN - 978-1-62841084-6

T3 - SPIE proceedings

BT - Nonlinear optics and its applications VIII; and quantum optics III

A2 - Eggleton, Benjamin J.

A2 - Gaeta, Alexander L.

A2 - Broderick, Neil G.R.

A2 - Sergienko, Alexander V.

A2 - Rauschenbeutel, Arno

A2 - Durt, Thomas

PB - SPIE

CY - Bellingham, WA (US)

T2 - Nonlinear Optics and Its Applications VIII; and Quantum Optics III

Y2 - 14 April 2014 through 16 April 2014

ER -

Gorbunov OA, Sugavanam S, Churkin DV. Influence of the generated power, measurement bandwidth, and noise level on intensity statistics of a quasi-CW Raman fiber laser. In Eggleton BJ, Gaeta AL, Broderick NGR, Sergienko AV, Rauschenbeutel A, Durt T, editors, Nonlinear optics and its applications VIII; and quantum optics III. Bellingham, WA (US): SPIE. 2014. 913613. (SPIE proceedings). doi: 10.1117/12.2052296

Influence of the generated power, measurement bandwidth, and noise level on intensity statistics of a quasi-CW Raman fiber laser

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Keywords

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