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A Kerr polarization controller.
Moroney, N; Del Bino, L; Zhang, S; Woodley, M T M; Hill, L; Wildi, T; Wittwer, V J; Südmeyer, T; Oppo, G-L; Vanner, M R; Brasch, V; Herr, T; Del'Haye, P.
Afiliación
  • Moroney N; Max Planck Institute for the Science of Light, 91058, Erlangen, Germany.
  • Del Bino L; QOLS, Blackett Laboratory, Imperial College London, SW7 2AZ, London, UK.
  • Zhang S; Max Planck Institute for the Science of Light, 91058, Erlangen, Germany.
  • Woodley MTM; Max Planck Institute for the Science of Light, 91058, Erlangen, Germany.
  • Hill L; Max Planck Institute for the Science of Light, 91058, Erlangen, Germany.
  • Wildi T; QOLS, Blackett Laboratory, Imperial College London, SW7 2AZ, London, UK.
  • Wittwer VJ; SUPA and Department of Physics, Heriot-Watt, Edinburgh, EH14 4AS, UK.
  • Südmeyer T; Max Planck Institute for the Science of Light, 91058, Erlangen, Germany.
  • Oppo GL; SUPA and Department of Physics, University of Strathclyde, Glasgow, G4 0NG, Scotland.
  • Vanner MR; Center for Free-Electron Laser Science CFEL, Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany.
  • Brasch V; Laboratoire Temps-Fréquence, Université de Neuchâtel, CH-2000, Neuchâtel, Switzerland.
  • Herr T; Laboratoire Temps-Fréquence, Université de Neuchâtel, CH-2000, Neuchâtel, Switzerland.
  • Del'Haye P; SUPA and Department of Physics, University of Strathclyde, Glasgow, G4 0NG, Scotland.
Nat Commun ; 13(1): 398, 2022 Jan 19.
Article en En | MEDLINE | ID: mdl-35046413
Kerr-effect-induced changes of the polarization state of light are well known in pulsed laser systems. An example is nonlinear polarization rotation, which is critical to the operation of many types of mode-locked lasers. Here, we demonstrate that the Kerr effect in a high-finesse Fabry-Pérot resonator can be utilized to control the polarization of a continuous wave laser. It is shown that a linearly-polarized input field is converted into a left- or right-circularly-polarized field, controlled via the optical power. The observations are explained by Kerr-nonlinearity induced symmetry breaking, which splits the resonance frequencies of degenerate modes with opposite polarization handedness in an otherwise symmetric resonator. The all-optical polarization control is demonstrated at threshold powers down to 7 mW. The physical principle of such Kerr effect-based polarization controllers is generic to high-Q Kerr-nonlinear resonators and could also be implemented in photonic integrated circuits. Beyond polarization control, the spontaneous symmetry breaking of polarization states could be used for polarization filters or highly sensitive polarization sensors when operating close to the symmetry-breaking point.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Nat Commun Asunto de la revista: BIOLOGIA / CIENCIA Año: 2022 Tipo del documento: Article País de afiliación: Alemania Pais de publicación: Reino Unido
Texto completo
Añadir a Mi BVS
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XML
PubMed Links
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Nat Commun Asunto de la revista: BIOLOGIA / CIENCIA Año: 2022 Tipo del documento: Article País de afiliación: Alemania Pais de publicación: Reino Unido