Second-harmonic generation in a direct-bonded periodically-poled-LiNbO<sub>3</sub> buried waveguide

Gawith, C.B.E.; Shepherd, D.P.; Abernethy, J.A.; Hanna, D.C.; Ross, G.W.; Smith, P.G.R.

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oai:eprints.soton.ac.uk:77829

Second-harmonic generation in a direct-bonded periodically-poled-LiNbO<sub>3</sub> buried waveguide

Authors: C.B.E. Gawith
D.P. Shepherd
J.A. Abernethy
D.C. Hanna
G.W. Ross
P.G.R. Smith
Publication date: 1 January 1999
Publisher
Doi

Abstract

We report the fabrication of a 12µm-thick periodically poled LiNbO3 planar waveguide buried in LiTaO3 by direct bonding of precision-polished surfaces. Frequency doubling of the 1064nm output of a cw diode-pumped Nd:YAG laser was performed in a 5.5mm-long device with a 6.50µm-period grating at an elevated temperature of 174°C. The resultant green second-harmonic output exhibited fundamental-spatial-mode characteristics at a 4.3% /W conversion efficiency

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oai:eprints.soton.ac.uk:77829

Last time updated on 02/07/2012

This paper was published in Southampton (e-Prints Soton).

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