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  Critical dynamics of an asymmetrically bidirectionally pumped optical microresonator

Silver, J. M., Grattan, K. T. V., & Del'Haye, P. (2021). Critical dynamics of an asymmetrically bidirectionally pumped optical microresonator. Physical Review A, 104(4): 043511. doi:10.1103/PhysRevA.104.043511.

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 Creators:
Silver, Jonathan M.1, Author
Grattan, Kenneth T. V.2, Author
Del'Haye, Pascal3, 4, Author           
Affiliations:
1National Physical Laboratory, Hampton Road, Teddington TW11 0LW, United Kingdom, ou_persistent22              
2City, University of London, Northampton Square, London EC1V 0HB, United Kingdom, ou_persistent22              
3Del'Haye Research Group, Research Groups, Max Planck Institute for the Science of Light, Max Planck Society, ou_3215431              
4Department of Physics, Friedrich-Alexander University Erlangen-Nuremberg, 91058 Erlangen, Germany, ou_persistent22              

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 Abstract: An optical ring resonator with third-order, or Kerr, nonlinearity will exhibit symmetry breaking between the two counterpropagating circulating powers when pumped with sufficient power in both the clockwise and counterclockwise directions. This is due to the effects of self- and cross-phase modulation on the resonance frequencies in the two directions. The critical point of this symmetry breaking exhibits universal behaviors including divergent responsivity to external perturbations, critical slowing down, and scaling invariance. Here we derive a model for the critical dynamics of this system, first for a symmetrically pumped resonator and then for the general case of asymmetric pumping conditions and self- and cross-phase modulation coefficients. This theory not only provides a detailed understanding of the dynamical response of critical-point-enhanced optical gyroscopes and near-field sensors, but is also applicable to nonlinear critical points in a wide range of systems.

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Language(s): eng - English
 Dates: 2021-10-12
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1103/PhysRevA.104.043511
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Title: Physical Review A
  Other : Physical Review A: Atomic, Molecular, and Optical Physics
  Other : Phys. Rev. A
Source Genre: Journal
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Publ. Info: New York, NY : American Physical Society
Pages: - Volume / Issue: 104 (4) Sequence Number: 043511 Start / End Page: - Identifier: ISSN: 1050-2947
CoNE: https://pure.mpg.de/cone/journals/resource/954925225012_2