We present a widely tunable low-threshold χ(3) optical parametric oscillator. The oscillator cavity is formed by butt coupling dichroic mirrors to either end of a highly nonlinear index-guiding photonic crystal fiber. This yields a singly resonant Fabry-Perot oscillator with a high feedback fraction for the resonant parametric sideband. The tuning range of the output parametric sideband stretches from 23 to 164 THz above the pump frequency. The threshold power of the oscillator is only 15 W.
© 2008 Optical Society of America
Fiber Optics and Optical Communications
Original Manuscript: March 17, 2008
Revised Manuscript: May 8, 2008
Manuscript Accepted: May 9, 2008
Published: June 13, 2008
Y. Q. Xu, S. G. Murdoch, R. Leonhardt, and J. D. Harvey, "Widely tunable photonic crystal fiber Fabry-Perot optical parametric oscillator," Opt. Lett. 33, 1351-1353 (2008)