Abstract

A time-interweaved sampling scheme for optical A/D conversion is proposed, and to demonstrate this technique 2.5 GHz sine microwave signal is sampled at a rate of 16×2.5 GHz. 29dB signal-to-noise rate is acquired after processing the experimental data. In this paper we analyse the impacts of the imperfect optical sampling pulses, including the waveform, pulse width, and time jitter, and then discuss the way to improve the sampling precision.

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