由二极管泵浦调Q铒光纤激光器驱动的周期极化铌酸锂中的光学参量振荡

Optical parametric oscillation in periodically poled lithium niobate driven by a diode-pumped Q-switched erbium fiber laser.

作者信息

Britton P E, Taverner D, Puech K, Richardson D J, Smith P G, Ross G W, Hanna D C

出版信息

Opt Lett. 1998 Apr 15;23(8):582-4. doi: 10.1364/ol.23.000582.

DOI:10.1364/ol.23.000582

Abstract

We describe what is to our knowledge the first nanosecond periodically poled lithium niobate (PPLN) optical parametric oscillator (OPO) driven by a fiber laser. The source was frequency doubled by a PPLN sample before pumping a second, 20-mm-long, PPLN crystal. The OPO threshold was <10muJ, with pump depletions of as much as 45% and a tunable signal range of 945-1450 nm (1690-4450-nm idler range). We demonstrated 130-nm signal tuning by varying the pump wavelength and doubling crystal's temperature. Also, we achieved 15-nm tuning with all crystals at a constant temperature. The results demonstrate the potential of the fiber laser:PPLN combination for practical, versatile, and tunable sources.

摘要

据我们所知，我们描述了首个由光纤激光器驱动的纳秒级周期极化铌酸锂（PPLN）光学参量振荡器（OPO）。在泵浦第二个20毫米长的PPLN晶体之前，通过PPLN样品将光源频率加倍。OPO阈值小于10微焦，泵浦损耗高达45%，可调谐信号范围为945 - 1450纳米（闲频范围为1690 - 4450纳米）。通过改变泵浦波长和倍频晶体的温度，我们展示了130纳米的信号调谐。此外，在所有晶体保持恒定温度的情况下，我们实现了15纳米的调谐。结果证明了光纤激光器与PPLN组合在实用、通用和可调谐光源方面的潜力。