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首页> 外文期刊>Optics Letters >Phase-locked, erbium-fiber-laser-based frequency comb in the near infrared
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Phase-locked, erbium-fiber-laser-based frequency comb in the near infrared

机译：锁相，基于b光纤激光的近红外频率梳

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摘要

A phase-locked frequency comb in the near infrared is demonstrated with a mode-locked, erbium-doped, fiber laser whose output is amplified and spectrally broadened in dispersion-flattened, highly nonlinear optical fiber to span from 1100 to >2200 nm. The supercontinuum output comprises a frequency comb with a spacing set by the laser repetition rate and an offset by the carrier-envelope offset frequency, which is detected with the standard f-to-2f heterodyne technique. The comb spacing and offset frequency are phase locked to a stable rf signal with a fiber stretcher in the laser cavity and by control of the pump laser power, respectively. This infrared comb permits frequency metrology experiments in the near infrared in a compact, fiber-laser-based system.
机译：用锁模掺光纤激光器演示了近红外中的锁相频率梳，该激光器的输出在色散平坦的高度非线性光纤中被放大并在光谱上展宽到1100到> 2200 nm。超连续谱输出包括一个频率梳，其频率间隔由激光重复频率设置，而偏移量由载波包络偏移频率确定，该偏移量是通过标准的f至2f外差技术检测到的。梳齿间距和偏移频率分别通过光纤腔中的光纤扩展器和泵浦激光功率的控制锁相为稳定的rf信号。这种红外梳可以在紧凑的，基于光纤激光的系统中进行近红外的频率计量实验。

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