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arXiv 0907.2420physics.optics
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光学任意波形的Single Shot幅相特性

Single Shot Amplitude and Phase Characterization of Optical Arbitrary Waveforms

V. R. Supradeepa, Daniel E. Leaird, Andrew M. Weiner

摘要:

利用时间选通双正交光谱干涉技术,首次实现了对10 GHz频率梳产生的~ 1 THz带宽光学任意波形的光谱幅度和相位的单次测量,在100 ps的记录长度上获得了1 ps的时间分辨率。当波形合成操作以梳的重复率更新时,单射表征变得特别相关,从而允许创建潜在无限记录长度的波形。我们首先展示了明确的Single Shot检索使用快速更新的波形。然后,我们对通过逐行脉冲整形生成的静态用户定义波形进行额外的单次测量。

英文摘要:

Using a time-gated dual quadrature spectral interferometry technique, for the first time we demonstrate single-shot characterization of both spectral amplitude and phase of ~1THz bandwidth optical arbitrary waveforms generated from a 10 GHz frequency comb. Our measurements provide a temporal resolution of 1ps over a record length of 100ps. Singleshot characterization becomes particularly relevant when waveform synthesis operations are updated at the repetition rate of the comb allowing creation of potentially infinite record length waveforms. We first demonstrate unambiguous single shot retrieval using rapidly updating waveforms. We then perform additional single-shot measurements of static user-defined waveforms generated via line-by-line pulse shaping.

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