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Opt Lett. 2009 Sep 01;34(17):2578-80. doi: 10.1364/OL.34.002578.

Angular quasi-phase-matching experiments and determination of accurate Sellmeier equations for 5%MgO:PPLN.

Optics letters

Pierre Brand, Benoît Boulanger, Patricia Segonds, Yannick Petit, Corinne Félix, Bertrand Ménaert, Takunori Taira, Hideki Ishizuki

Affiliations

  1. Institut Néel CNRS/UJF, 25 rue des Martyrs, BP 166, F38402 Grenoble Cedex 9, France.

PMID: 19724495 DOI: 10.1364/OL.34.002578

Abstract

We validated the theory of angular quasi-phase-matching (AQPM) by performing measurements of second-harmonic generation and difference-frequency generation. A nonlinear least-squares fitting of these experimental data led to refine the Sellmeier equations of 5%MgO:PPLN that are now valid over the complete transparency range of the crystal. We also showed that AQPM exhibits complementary spectral ranges and acceptances compared with birefringence phase matching.

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