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Title: Model of the self-Q-switching instability of passively phased fiber laser arrays

Abstract

A simple physical model is presented to explain observed self-pulsations in passively phased rare earth-doped fiber laser arrays. Their essential features are the feedback level s sensitivity to small perturbations in the phases of array fields, hence altering the cavity s Q-value, and the nonlinear changes in the refractive index of the amplifier gain media. The model s qualitative prediction for an array having at least two elements that is operated at sufficiently high power levels, of the growth of an initial disturbance, is confirmed by a linearized stability analysis of the field and medium equations.

Authors:
 [1];  [2];  [3];  [4];  [3];  [4];  [3];  [5];  [6]
  1. Air Force Research Laboratory, Kirtland Air Force Base, NM
  2. Southern Methodist University, Dallas
  3. ORNL
  4. University of the Balearic Islands, Palma de Mallorca, Spain
  5. Liberations Systems Management, Inc.
  6. TASC, Inc.
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
Work for Others (WFO)
OSTI Identifier:
1038066
DOE Contract Number:  
DE-AC05-00OR22725
Resource Type:
Journal Article
Journal Name:
IEEE Journal of Quantum Electronics
Additional Journal Information:
Journal Volume: 47; Journal Issue: 6; Journal ID: ISSN 0018-9197
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; AMPLIFIERS; FEEDBACK; FIBERS; FORECASTING; INSTABILITY; LASERS; REFRACTIVE INDEX; SENSITIVITY; STABILITY; fiber lasers; passively phased laser arrays; spatial filtering

Citation Formats

Bochove, Erik J., Aceves, Alejandro B., Braiman, Yehuda, Colet, Pere R., Deiterding, Ralf, Jacobo, Adrian, Miller, Casey A, Rhodes, Charles, and Shakir, Sami A. Model of the self-Q-switching instability of passively phased fiber laser arrays. United States: N. p., 2011. Web. doi:10.1109/JQE.2011.2112637.
Bochove, Erik J., Aceves, Alejandro B., Braiman, Yehuda, Colet, Pere R., Deiterding, Ralf, Jacobo, Adrian, Miller, Casey A, Rhodes, Charles, & Shakir, Sami A. Model of the self-Q-switching instability of passively phased fiber laser arrays. United States. https://doi.org/10.1109/JQE.2011.2112637
Bochove, Erik J., Aceves, Alejandro B., Braiman, Yehuda, Colet, Pere R., Deiterding, Ralf, Jacobo, Adrian, Miller, Casey A, Rhodes, Charles, and Shakir, Sami A. 2011. "Model of the self-Q-switching instability of passively phased fiber laser arrays". United States. https://doi.org/10.1109/JQE.2011.2112637.
@article{osti_1038066,
title = {Model of the self-Q-switching instability of passively phased fiber laser arrays},
author = {Bochove, Erik J. and Aceves, Alejandro B. and Braiman, Yehuda and Colet, Pere R. and Deiterding, Ralf and Jacobo, Adrian and Miller, Casey A and Rhodes, Charles and Shakir, Sami A.},
abstractNote = {A simple physical model is presented to explain observed self-pulsations in passively phased rare earth-doped fiber laser arrays. Their essential features are the feedback level s sensitivity to small perturbations in the phases of array fields, hence altering the cavity s Q-value, and the nonlinear changes in the refractive index of the amplifier gain media. The model s qualitative prediction for an array having at least two elements that is operated at sufficiently high power levels, of the growth of an initial disturbance, is confirmed by a linearized stability analysis of the field and medium equations.},
doi = {10.1109/JQE.2011.2112637},
url = {https://www.osti.gov/biblio/1038066}, journal = {IEEE Journal of Quantum Electronics},
issn = {0018-9197},
number = 6,
volume = 47,
place = {United States},
year = {Sat Jan 01 00:00:00 EST 2011},
month = {Sat Jan 01 00:00:00 EST 2011}
}