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首页> 外文期刊>Optics Letters >Bottle microresonator broadband and low-repetition-rate frequency comb generator
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Bottle microresonator broadband and low-repetition-rate frequency comb generator

机译:瓶式微谐振器宽带低重复频率梳齿发生器

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摘要

We propose a new type of broadband and low repetition rate (RR) frequency comb generator that has the shape of an elongated and nanoscale-shallow optical bottle micro-resonator created at the surface of an optical fiber. The free spectral range (FSR) of the broadband azimuthal eigenfrequency series of this resonator is the exact multiple of the FSR of the dense and narrowband axial series. The effective radius variation of the microresonator is close to a parabola with a nanoscale height that is greater or equal to lambda/2 pi n(0). (Here. is the characteristic radiation wavelength and n(0) is the refractive index of the microresonator material.) Overall, the microresonator possesses a broadband, small FSR and accurately equidistant spectrum convenient for the generation of a broadband and low RR optical frequency comb. It is shown that this comb can be generated by pumping with a cw laser, with a radiation frequency that matches a single axial eigenfrequency of the microresonator or, alternatively, by pumping with a mode-locked laser, which generates a narrowband low RR comb matching a series of equidistant axial eigenfrequencies situated between adjacent azimuthal eigenfrequencies. (C) 2016 Optical Society of America
机译:我们提出了一种新型的宽带和低重复频率(RR)频率梳状发生器,该发生器具有在光纤表面产生的细长的纳米级浅光学瓶微谐振器的形状。该谐振器的宽带方位角本征频率序列的自由光谱范围(FSR)是密集和窄带轴向序列的FSR的精确倍数。微谐振器的有效半径变化接近抛物线,其抛物线的纳米级高度大于或等于λ/ 2 pi n(0)。 (这里是特征辐射波长,n(0)是微谐振器材料的折射率。)总的来说,微谐振器具有宽带,小的FSR和精确等距的频谱,便于生成宽带和低RR光频率梳。结果表明,这种梳子可以通过用连续波激光器泵浦来产生,其辐射频率与微谐振器的单个轴向本征频率匹配,或者通过锁模激光器泵浦来产生窄带低RR梳齿匹配。位于相邻方位角本征频率之间的一系列等距轴向本征频率。 (C)2016美国眼镜学会

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