Abstract

Operation of an optical parametric oscillator based on ${\text{CdSiP}}_2$ and pumped at 1064 nm is demonstrated at a repetition rate of 1 kHz. The maximum output idler energy of $24\mu \text{J}$ at $6.125\mu \text{m}$ corresponds to an average power of 24 mW. Increasing the crystal temperature up to 150° in the noncritical (90°) configuration leads to idler wavelength tuning from 6.117 to $6.554\mu \text{m}$. Subnanosecond pulse durations are obtained for the signal and idler as a result of the 1 ns pulse duration of the pump, made possible by the rather short crystal and cavity lengths $\left(\sim 1\text{\hspace{0.17em} cm}\right)$.

© 2010 Optical Society of America

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