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Proceedings Paper

Efficient frequency doubling in lithium niobate waveguides by reverse proton exchange
Author(s): Annarita Di Lallo; Claudio Conti; Alfonso C. Cino; Gaetano Assanto
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Paper Abstract

We numerically investigate efficient frequency doubling of near infrared light in a coupled system of buried and surface waveguides obtained by Reverse Proton Exchange in z-cut Lithium Niobate. For a monomode TE surface guide at 1.32 micrometer and a highly multimode TM (buried) guide at 666 nm and exploiting the d31 nonlinear tensor element, for planar structures we calculated conversion efficiencies as high as 14% micrometer/W cm, with a weak dependence on temperature. Noticeably, this geometry features the physical separation of the harmonics at the output.

Paper Details

Date Published: 1 May 2001
PDF: 8 pages
Proc. SPIE 4268, Growth, Fabrication, Devices, and Applications of Laser and Nonlinear Materials, (1 May 2001); doi: 10.1117/12.424636
Show Author Affiliations
Annarita Di Lallo, Univ. degli Studi di Roma Tre (Italy)
Claudio Conti, Univ. degli Studi di Roma Tre (Italy)
Alfonso C. Cino, Univ. degli Studi di Roma Tre (Italy)
Gaetano Assanto, Univ. degli Studi di Roma Tre (Italy)


Published in SPIE Proceedings Vol. 4268:
Growth, Fabrication, Devices, and Applications of Laser and Nonlinear Materials
Jeffrey W. Pierce; Kathleen I. Schaffers; Kathleen I. Schaffers, Editor(s)

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