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Generation of Kerr combs centered at 4.5 mu m in crystalline microresonators pumped with quantum-cascade lasers

机译:在量子级联激光器泵浦的晶体微谐振器中产生居中4.5微米的Kerr梳

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摘要

We report on the generation of mid-infrared Kerr frequency combs in high-finesse CaF2 and MgF2 whispering-gallery-mode resonators pumped with continuous-wave room-temperature quantum cascade lasers. The combs were centered at 4.5 mu m, the longest wavelength to date. A frequency comb wider than one half of an octave was demonstrated when approximately 20 mW of pump power was coupled to an MgF2 resonator characterized with quality factor exceeding 10(8). (C) 2015 Optical Society of America
机译:我们报告了在连续波室温量子级联激光器泵浦的高品质CaF2和MgF2耳语画廊模式谐振器中产生中红外Kerr频率梳的情况。梳子的中心位于4.5微米,这是迄今为止最长的波长。当将大约20 mW的泵浦功率耦合到质量因数超过10(8)的MgF2谐振器时,证明了一个比八度音阶宽一半的频率梳。 (C)2015年美国眼镜学会

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