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Opt Lett. 2010 Dec 15;35(24):4142-4. doi: 10.1364/OL.35.004142.

Optical parametric generation in CdSiP2.

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  • 1ICFO-Institut de Ciencies Fotoniques, Mediterranean Technology Park, 08860 Castelldefels, Barcelona, Spain.


We report efficient generation of picosecond pulses in the near- and mid-IR in the new nonlinear material CdSiP(2) pumped at 1.064 μm by an amplified mode-locked Nd:YVO(4) laser at a 100 kHz repetition rate. By using single-pass optical parametric generation in 8-mm-long crystal cut for type I(e→oo) noncritical phase matching, an average idler power of 154 mW at 6.204 μm together with 1.16 W of signal at 1.282 μm has been obtained for 6.1 W of pump at photon conversion efficiencies of 15% and 23%, respectively. Signal pulse durations of 6.36 ps are measured for 9 ps pump pulses.

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