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COHERENT TRANSIENT OPTICAL SIGNAL PROCESSING WITHOUT BRIEF PULSES

机译:无相干脉冲的相干瞬态光学信号处理

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摘要

The temporal processing operations of convolution and correlation are demonstrated through optical coherent transient techniques, in which two long, low-intensity frequency-chirped pulses replace the single, brief reference pulse of a traditional three-pulse excitation sequence (brief pulse, pattern pulse, and data pulse). Here, a four-pulse excitation sequence is used (two frequency-chirped pulses, pattern pulse, and data pulse) in which the particular order and timing of the chirped pulses with respect to the other waveforms determine the processing operation. An experiment is performed with biphase-coded pattern and data pulses to demonstrate both the correlation and the convolution operations. A new atomic rephasing process that we call delayed rephasing is demonstrated. [References: 16]
机译:通过光学相干瞬态技术演示了卷积和相关的时间处理操作,其中两个长的低强度频率frequency脉冲代替了传统三脉冲激励序列(简短脉冲,模式脉冲,和数据脉冲)。在此,使用四脉冲激励序列(两个频率chi脉冲,图案脉冲和数据脉冲),其中the脉冲相对于其他波形的特定顺序和时序确定处理操作。用双相编码模式和数据脉冲进行了实验,以演示相关性和卷积运算。演示了一种新的原子定相过程,我们称其为延迟定相。 [参考:16]

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