Wavelength division demultiplexing (WDM) optically-assisted ADC in an n-channel system

Optical

source

Modulator

Detector

LPF

ADC

Detector

LPF

ADC

Detector

LPF

ADC

RF signal

spectrum

Reconstructed

output signal

Time

Input sequence of time-interleaved WDM optical pulses

Anti-aliasing

RF filter

wRF

X(wRF)

l1

l2

ln

l1

l2

Channel 1

Channel 2

Channel n

x(t)

Hm(wRF)

SYNC. CLK.

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