Validation of the angular quasi-phase-matching theory for the biaxial optical class using PPRKTP

We report the first experimental validation of angular quasi-phase-matching (AQPM) theory in a biaxial crystal by performing second-harmonic generation (SHG) in the periodically-poled Rb-doped KTiOPO (PPRKTP) crystal cut as a sphere. Both AQPM and birefringence phase-matching (BPM) angles were measu...

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Veröffentlicht in:	Optics letters 2018-09, Vol.43 (17), p.4276-4279
Hauptverfasser:	Lu, Dazhi, Peña, Alexandra, Segonds, Patricia, Debray, Jérôme, Joly, Simon, Zukauskas, Andrius, Laurell, Fredrik, Pasiskevicius, Valdas, Yu, Haohai, Zhang, Huaijin, Wang, Jiyang, Canalias, Carlota, Boulanger, Benoît
Format:	Artikel
Sprache:	eng
Schlagworte:	Biaxial crystal Birefringence Experimental validations Harmonic generation KTiOPO4 Nonlinear optics Periodically poled Phase matching Physics Potassium titanyl orthophosphate Quasi phase matching Rubidium compounds Second harmonic generation Titanium compounds
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Zusammenfassung:	We report the first experimental validation of angular quasi-phase-matching (AQPM) theory in a biaxial crystal by performing second-harmonic generation (SHG) in the periodically-poled Rb-doped KTiOPO (PPRKTP) crystal cut as a sphere. Both AQPM and birefringence phase-matching (BPM) angles were measured thanks to a Kappa circle.
ISSN:	0146-9592 1539-4794 1539-4794
DOI:	10.1364/OL.43.004276