Xiaobo Hou, A. Daryoush, W. Rosen, H. Burstyn, P. Zalud
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Design of an ultra high-speed all-optical analog-to-digital converter
An all-optical analog-to-digital converter capable of sampling at 50 GS/s is described. The ADC works in the spectral domain, unlike the other all-optical or hybrid methods. The RF signal is sampled by electro-optically steerable gratings and quantized by a set of detectors with scalable apertures. Low timing jitter is provided by a mode-locked laser.