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Angular quasi-phase-matching experiments and determination of accurate Sellmeier equations for 5%MgO:PPLN
Author(s) -
Pierre Brand,
Benoı̂t Boulanger,
Patricia Segonds,
Yannick Petit,
C. Félix,
Bertrand Ménaert,
Takunori Taira,
Hideki Ishizuki
Publication year - 2009
Publication title -
optics letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.524
H-Index - 272
eISSN - 1071-2763
pISSN - 0146-9592
DOI - 10.1364/ol.34.002578
Subject(s) - birefringence , optics , second harmonic generation , phase matching , nonlinear optics , phase (matter) , nonlinear system , sum frequency generation , materials science , transparency (behavior) , matching (statistics) , uniaxial crystal , quasi phase matching , physics , mathematics , lens (geology) , computer science , optical axis , quantum mechanics , laser , statistics , computer security
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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