Non-resonant operation of microcavity Brillouin lasers

Dmitry A. Korobko; Igor O. Zolotovskii; Sergei Sokolovskii; Sergei Sokolovski; Andrei A. Fotiadi; Alexis V. Kudryashov; Alan H. Paxton; Vladimir S. Ilchenko

doi:10.1117/12.2508345

Non-resonant operation of microcavity Brillouin lasers

Dmitry A. Korobko, Igor O. Zolotovskii, Sergei Sokolovskii, Sergei Sokolovski, Andrei A. Fotiadi, Alexis V. Kudryashov, Alan H. Paxton, Vladimir S. Ilchenko

Research output: Contribution to journal › Conference article › peer-review

Abstract

We present theoretical framework to describe Brillouin lasing in microcavities in the case of a significant mismatch between the Brillouin shift and the cavity intermode spacing. We show that despite an increase of the lasing threshold a significant increase of the Brillouin power in comparison with the resonance case is achievable. A necessary condition for this effect is the optimal value of the pump frequency detuning from the cavity mode frequency. An increase of the Brillouin threshold is accompanied by narrowing of the spectrum range where the Brillouin signal could be generated in non-resonant case. Besides, with the optimal pump frequency detuning the Brillouin signal noise level is reduced. Analytical results are in quantitative agreement with the results of numerical simulations.

Original language	English
Article number	109041U
Journal	Proceedings of SPIE - International Society for Optical Engineering
Volume	10904
DOIs	https://doi.org/10.1117/12.2508345
Publication status	Published - 21 Mar 2019
Event	Laser Resonators, Microresonators, and Beam Control XXI - San Francisco, United States Duration: 2 Feb 2019 → 7 Feb 2019

Bibliographical note

Copyright 2019 SPIE. One print or electronic copy may be made for personal use only. Systematic reproduction, 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

Fiber Brillouin laser
Microresonators
Stimulated Brillouin scattering

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10.1117/12.2508345

Non-resonant operation of microcavity Brillouin lasers
Copyright 2019 SPIE. One print or electronic copy may be made for personal use only. Systematic reproduction, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
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title = "Non-resonant operation of microcavity Brillouin lasers",

abstract = "We present theoretical framework to describe Brillouin lasing in microcavities in the case of a significant mismatch between the Brillouin shift and the cavity intermode spacing. We show that despite an increase of the lasing threshold a significant increase of the Brillouin power in comparison with the resonance case is achievable. A necessary condition for this effect is the optimal value of the pump frequency detuning from the cavity mode frequency. An increase of the Brillouin threshold is accompanied by narrowing of the spectrum range where the Brillouin signal could be generated in non-resonant case. Besides, with the optimal pump frequency detuning the Brillouin signal noise level is reduced. Analytical results are in quantitative agreement with the results of numerical simulations.",

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note = "Copyright 2019 SPIE. One print or electronic copy may be made for personal use only. Systematic reproduction, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited. ; Laser Resonators, Microresonators, and Beam Control XXI ; Conference date: 02-02-2019 Through 07-02-2019",

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T1 - Non-resonant operation of microcavity Brillouin lasers

AU - Korobko, Dmitry A.

AU - Zolotovskii, Igor O.

AU - Sokolovskii, Sergei

AU - Sokolovski, Sergei

AU - Fotiadi, Andrei A.

AU - Kudryashov, Alexis V.

AU - Paxton, Alan H.

AU - Ilchenko, Vladimir S.

N1 - Copyright 2019 SPIE. One print or electronic copy may be made for personal use only. Systematic reproduction, 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 - 2019/3/21

Y1 - 2019/3/21

N2 - We present theoretical framework to describe Brillouin lasing in microcavities in the case of a significant mismatch between the Brillouin shift and the cavity intermode spacing. We show that despite an increase of the lasing threshold a significant increase of the Brillouin power in comparison with the resonance case is achievable. A necessary condition for this effect is the optimal value of the pump frequency detuning from the cavity mode frequency. An increase of the Brillouin threshold is accompanied by narrowing of the spectrum range where the Brillouin signal could be generated in non-resonant case. Besides, with the optimal pump frequency detuning the Brillouin signal noise level is reduced. Analytical results are in quantitative agreement with the results of numerical simulations.

AB - We present theoretical framework to describe Brillouin lasing in microcavities in the case of a significant mismatch between the Brillouin shift and the cavity intermode spacing. We show that despite an increase of the lasing threshold a significant increase of the Brillouin power in comparison with the resonance case is achievable. A necessary condition for this effect is the optimal value of the pump frequency detuning from the cavity mode frequency. An increase of the Brillouin threshold is accompanied by narrowing of the spectrum range where the Brillouin signal could be generated in non-resonant case. Besides, with the optimal pump frequency detuning the Brillouin signal noise level is reduced. Analytical results are in quantitative agreement with the results of numerical simulations.

KW - Fiber Brillouin laser

KW - Microresonators

KW - Stimulated Brillouin scattering

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DO - 10.1117/12.2508345

M3 - Conference article

SN - 0277-786X

VL - 10904

JO - Proceedings of SPIE - International Society for Optical Engineering

JF - Proceedings of SPIE - International Society for Optical Engineering

M1 - 109041U

T2 - Laser Resonators, Microresonators, and Beam Control XXI

Y2 - 2 February 2019 through 7 February 2019

ER -

Non-resonant operation of microcavity Brillouin lasers

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