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A scalable photonic sampled analog-to-digital conversion (ADC) is presented utilizing four-wave mixing processes to multicast and sample a signal. By expanding the architecture to multiple parallel gates, the effective sampling rate is increased.
We present the result of an optical analog-to-digital conversion front-end based on the copy-and sample-all principle for the first time. The new architecture uses self-seeded multicasting and polychromatic sampling. Operation at 40 GHz and 6 ENOBs is experimentally demonstrated.
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