Random quasi-phase-matched second-harmonicgeneration in periodically poled lithium tantalate

Salvatore Stivala, Alessandro Busacca, Roberto Luigi Oliveri, Alessia Pasquazi, Roberto Morandotti, Gaetano Assanto

Risultato della ricerca: Articlepeer review

25 Citazioni (Scopus)

Abstract

We observe second harmonic generation via random quasi-phase-matching in a 2.0 micron periodically poled, 1-cm-long, z-cut lithium tantalate. Away from resonance, the harmonic output profiles exhibit a characteristic pattern stemming from a stochastic domain distribution and a quadratic growth with the fundamental excitation, as well as a broadband spectral response. The results are in good agreement with a simple model and numerical simulations in the undepleted regime, assuming an anisotropic spread of the random nonlinear component.
Lingua originaleEnglish
pagine (da-a)363-365
Numero di pagine3
RivistaOptics Letters
Volume2010-02-01
Stato di pubblicazionePublished - 2010

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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