Abstract

We demonstrate what is to our knowledge the first optical parametric oscillator (OPO) based on a cylindrical phase-matched nonlinear crystal. Experiments are performed with an uncoated ${\mathrm{KTiOPO}}_4$ crystal cut as a cylinder with a diameter of 21.2 mm and a thickness of 5 mm. We achieve 20.5-internal-degree angular tuning in a 1064-nm-pumped type III OPO, which would correspond to $\sim {36}^{°}$ external angular rotation for a parallelepipedal crystal. The goals of using such a device are to narrow the spectral width of the output and to enhance the spatial quality of the generated beams in widely tunable OPO’s.

© 2000 Optical Society of America

Widely and continuously tunable optical parametric oscillator based on a cylindrical periodically poled KTiOPO₄ crystal

Jean-Philippe Fève, Olivier Pacaud, Benoît Boulanger, Bertrand Ménaert, Jonas Hellström, Valdas Pasiskevicius, and Fredrik Laurell
Opt. Lett. 26(23) 1882-1884 (2001)

Tunable phase-matched optical parametric oscillators based on a cylindrical crystal

Jean-Philippe Fève, Olivier Pacaud, Benoît Boulanger, Bertrand Ménaert, and M. Renard
J. Opt. Soc. Am. B 19(2) 222-233 (2002)

High-power optical parametric oscillation in large-aperture periodically poled KTiOPO₄

J. Hellström, V. Pasiskevicius, H. Karlsson, and F. Laurell
Opt. Lett. 25(3) 174-176 (2000)

Compact 21-W 2-µm intracavity optical parametric oscillator

R. F. Wu, P. B. Phua, K. S. Lai, Y. L. Lim, Ernest Lau, Audrey Chng, Christophe Bonnin, and Dominique Lupinski
Opt. Lett. 25(19) 1460-1462 (2000)

High-efficiency parametric oscillation and spectral control in the red spectral region with periodically poled KTiOPO₄

V. Pasiskevicius, H. Karlsson, F. Laurell, R. Butkus, V. Smilgevicius, and A. Piskarskas
Opt. Lett. 26(10) 710-712 (2001)