Abstract

We report on the fabrication and characterization of 5-mm-long quasi-phase-matched diffusion-bonded GaAs crystals designed for frequency doubling of a ${\mathrm{CO}}_2$ laser. Second-harmonic generation of a pulsed laser yielded up to 24% peak power efficiency at $20 \mathrm{MW}/{\mathrm{cm}}^2$. Tunability and laser damage threshold are also investigated.

© 1998 Optical Society of America

Cascaded second-harmonic and sum-frequency generation of a CO₂ laser by use of a single quasi-phase-matched GaAs crystal

L. Becouarn, E. Lallier, M. Brevignon, and J. Lehoux
Opt. Lett. 23(19) 1508-1510 (1998)

16-µm infrared generation by difference-frequency mixing in diffusion-bonded-stacked GaAs

D. Zheng, L. A. Gordon, Y. S. Wu, R. S. Feigelson, M. M. Fejer, R. L. Byer, and K. L. Vodopyanov
Opt. Lett. 23(13) 1010-1012 (1998)

Quasi-phase-matched second-harmonic generation by use of a total-internal-reflection phase shift in gallium arsenide and zinc selenide plates

H. Komine, W. H. Long, J. W. Tully, and E. A. Stappaerts
Opt. Lett. 23(9) 661-663 (1998)

Efficient second-harmonic generation in birefringently phase-matched GaAs/Al₂O₃ waveguides

K. Moutzouris, S. Venugopal Rao, M. Ebrahimzadeh, A. De Rossi, V. Berger, M. Calligaro, and V. Ortiz
Opt. Lett. 26(22) 1785-1787 (2001)

Quasi-phase-matched second-harmonic generation in a GaAs/AlAs superlattice waveguide by ion-implantation-induced intermixing

K. Zeaiter, D. C. Hutchings, R. M. Gwilliam, K. Moutzouris, S. Venugopal Rao, and M. Ebrahimzadeh
Opt. Lett. 28(11) 911-913 (2003)