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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Bibliographic Details
Published in:Optics letters 2006-11, Vol.31 (21), p.3134-3136
Main Authors: SAKAI, Kiyohide, KOYATA, Yasuharu, HIRANO, Yoshihito
Format: Article
Language:English
Subjects:
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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Summary: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