Planar-waveguide quasi-phase-matched second-harmonic-generation device in Y-cut MgO-doped LiNbO3

We designed a planar-waveguide quasi-phase-matched second-harmonic-generation device, which consists of a Y-cut periodically poled 5 mol.% MgO-doped LiNbO3 core and SiO2 claddings, that provided a 1.08 W green light with 30% conversion efficiency by using a 7 mm long sample at room temperature. The...

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Veröffentlicht in:	Optics letters 2006-11, Vol.31 (21), p.3134-3136
Hauptverfasser:	SAKAI, Kiyohide, KOYATA, Yasuharu, HIRANO, Yoshihito
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Circuit properties Electric, optical and optoelectronic circuits Electronics Exact sciences and technology Frequency conversion harmonic generation, including high-order harmonic generation Fundamental areas of phenomenology (including applications) Integrated optics. Optical fibers and wave guides Nonlinear optical crystals Nonlinear optics Optical and optoelectronic circuits Optical materials Optics Physics
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Zusammenfassung:	We designed a planar-waveguide quasi-phase-matched second-harmonic-generation device, which consists of a Y-cut periodically poled 5 mol.% MgO-doped LiNbO3 core and SiO2 claddings, that provided a 1.08 W green light with 30% conversion efficiency by using a 7 mm long sample at room temperature. The highest conversion efficiency of 49% at 0.88 W second-harmonic generation was attained by using an 18 mm long device.
ISSN:	0146-9592 1539-4794
DOI:	10.1364/OL.31.003134