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2.5-GHz repetition-rate singly resonant optical parametric oscillator synchronously pumped by a mode-locked diode oscillator amplifier system

机译:锁模二极管振荡器放大器系统同步泵浦的2.5 GHz重复频率单谐振光学参量振荡器

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摘要

We report on an optical parametric oscillator (OPO) that is synchronously pumped directly by a diode laser. This laser is an actively mode-locked master-oscillator power-amplifier system that produces 20-ps pulses at 927 nm with a repetition rate of 2.5 GHz and an average power of 0.9 W. The OPO, which is a singly resonant device based on periodically poled lithium niobate, generates 7.8-ps pulses. The OPO threshold is 300 mW of average pump power, and the maximum average idler output power is 78 mW at a wavelength of 2100 nm. By changing the crystal temperature we can wavelength tune the output in the ranges 1530-1737 nm (signal) and 1986-2348 nm (idler). Rapid wavelength tuning of the OPO over 46 nm (signal) and 74 nm (idler) is achieved through tuning the cavity length over 28 μm by use of a piezoelectric transducer.
机译:我们报告了由二极管激光器直接同步泵浦的光学参量振荡器(OPO)。该激光器是一个主动锁模主振荡器功率放大器系统,它在927 nm处产生20 ps的脉冲,重复频率为2.5 GHz,平均功率为0.9W。OPO是一种单谐振器件,基于周期性极化的铌酸锂,产生7.8 ps脉冲。 OPO阈值为平均泵浦功率300 mW,最大平均惰轮输出功率在2100 nm波长下为78 mW。通过改变晶体温度,我们可以在1530-1737 nm(信号)和1986-2348 nm(惰轮)范围内对输出进行波长调谐。通过使用压电换能器将腔体长度调整到28μm以上,可以实现OPO在46 nm(信号)和74 nm(空闲)上的快速波长调整。

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