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A universal optical all-fiber Omnipolarizer.

J Fatome1, S Pitois, P Morin

  • 1Laboratoire Interdisciplinaire Carnot de Bourgogne, UMR 6303 CNRS - Université de Bourgogne, 9 Av. Alain Savary, BP 47870, 21078 Dijon, France. jfatome@ubourgogne.fr

Scientific Reports
|December 11, 2012
PubMed
Summary

Light can self-organize its polarization state in optical fibers into robust circular polarizations. A novel Omnipolarizer device acts as a digital polarizing beamsplitter (PBS) or ideal polarizer by adjusting light intensity.

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Area of Science:

  • Optics and Photonics
  • Nonlinear Optics
  • Quantum Optics

Background:

  • Polarizers and polarizing beamsplitters (PBS) are crucial in optical systems.
  • Conventional PBS devices can cause detrimental intensity variations in polarized light beams.
  • These intensity fluctuations negatively impact subsequent nonlinear or polarization-sensitive optical elements.

Purpose of the Study:

  • To demonstrate light's ability to self-organize its polarization state.
  • To introduce and experimentally validate a novel polarizing device, the Omnipolarizer.
  • To showcase the Omnipolarizer's dual-mode operation as a digital PBS and an ideal polarizer.

Main Methods:

  • Investigating light propagation in optical fibers to observe self-organization of polarization.
  • Developing and testing the Omnipolarizer, a nonlinear dual-mode optical element.
  • Experimentally switching the Omnipolarizer between its two operational modes by altering beam intensity.

Main Results:

  • Light spontaneously adopts universal and robust right and left circular polarization states in optical fibers.
  • The Omnipolarizer successfully operates as both a digital PBS and an ideal polarizer.
  • Mode switching in the Omnipolarizer is controlled by adjusting the input beam's intensity.

Conclusions:

  • Light possesses an inherent capability for polarization self-organization in optical fibers.
  • The Omnipolarizer offers a novel, intensity-switchable solution for polarization control in optical systems.
  • This technology has implications for advanced linear, nonlinear, and quantum optical applications.