Distortion-free optical transmission using time-domain optical Fourier transformation and transform-limited optical pulses

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Abstract
A method for distortion-free optical pulse transmission is theoretically proposed that employs optical Fourier transformation and Fourier transform-limited (TL) pulses. With this technique, a Fourier TL pulse is used as an input signal. By noting that a Gaussian TL pulse has a Gaussian spectrum, the unchanged spectrum of the TL pulse after transmission is converted into the time domain using optical Fourier transformation. Thus the transformed waveform in the time domain has no distortion as long as the transmitted spectral envelope is not changed owing to the perturbations.