Optical Nyquist rate multiplexer and demultiplexer

Details Optical Nyquist rate multiplexer and demultiplexer Optical Nyquist rate multiplexer and demultiplexer

1992-10-15

1994-07-12

Pascal, Leslie

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359158, H04J 1400

Patent

active

053293932

ABSTRACT:
An optical multiplexer cyclically samples a plurality (N) of optical input signals, each derived from an electrical input signal, at a frequency rate which equals or exceeds the Nyquist rate of each electrical input signal. A demultiplexer demultiplexes a received multiplexed optical signal into N optical signal sample streams which are then converted into the original N electrical input signals using the low-pass electrical frequency filter characteristics of the optical detectors and electrical circuits which connect to the N demultiplexer outputs.

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