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Opt Lett. 2010 Sep 15;35(18):3057-9. doi: 10.1364/OL.35.003057.

Second-order coherence of supercontinuum light.

Optics letters

Goëry Genty, Minna Surakka, Jari Turunen, Ari T Friberg

Affiliations

  1. Tampere University of Technology, Optics Laboratory, P.O. Box 692, FI-33101 Tampere, Finland. [email protected]

PMID: 20847777 DOI: 10.1364/OL.35.003057

Abstract

We analyze the coherence properties of supercontinuum generated in photonic crystal fibers by applying the second-order coherence theory of nonstationary light. Using an ensemble of simulated realizations, we construct two-frequency cross-spectral density and two-time mutual coherence functions. This allows us to introduce measures of temporal and spectral coherence. We show that, in the long-pulse regime, supercontinuum light can be decomposed into a sum of coherent and quasi-stationary contributions. Our approach and findings are also applicable in the short-pulse regime.

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