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Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
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Published on: May 30, 2014

Second-order coherence of supercontinuum light.

Goëry Genty1, Minna Surakka, Jari Turunen

  • 1Tampere University of Technology, Optics Laboratory, P.O. Box 692, FI-33101 Tampere, Finland. goery.genty@tut.fi

Optics Letters
|September 18, 2010
PubMed
Summary
This summary is machine-generated.

We analyzed supercontinuum light coherence using nonstationary light theory. Our findings show supercontinuum light can be broken down into coherent and quasi-stationary parts, applicable to both long and short pulses.

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Area of Science:

  • Nonlinear Optics
  • Quantum Optics
  • Photonics

Background:

  • Supercontinuum generation in photonic crystal fibers is a key phenomenon in modern optics.
  • Understanding the coherence properties of supercontinuum is crucial for its applications.

Purpose of the Study:

  • To analyze the coherence properties of supercontinuum generated in photonic crystal fibers.
  • To introduce new measures for temporal and spectral coherence.
  • To investigate the applicability of the second-order coherence theory of nonstationary light.

Main Methods:

  • Application of the second-order coherence theory of nonstationary light.
  • Construction of two-frequency cross-spectral density and two-time mutual coherence functions using simulated realizations.
  • Development of measures for temporal and spectral coherence.

Main Results:

  • Demonstration that supercontinuum light in the long-pulse regime can be decomposed into coherent and quasi-stationary contributions.
  • Validation of the approach for analyzing coherence properties.
  • Extension of findings to the short-pulse regime.

Conclusions:

  • The study provides a theoretical framework for understanding supercontinuum coherence.
  • The developed measures offer new insights into the temporal and spectral characteristics of supercontinuum.
  • The findings are relevant for both theoretical understanding and practical applications of supercontinuum generation.