Optical demultiplexer operating in synchronism with a data strea

Details Optical demultiplexer operating in synchronism with a data strea Optical demultiplexer operating in synchronism with a data strea

1995-06-01

1997-02-04

Boudreau, Leo

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359128, H04J 1400

Patent

active

056004656

ABSTRACT:
An optical data transmission system includes an optical data receiver having a plurality of optical detectors and an optical switch which directs successive pulses of a serial data stream to different detectors. The switch includes one or more superconductive mirrors responsive to current pulses to change from a superconducting, reflective state to a non-superconducting, non-reflective state for the duration of a current pulse. In this manner, high speed optical data is received by detectors incapable of operating at the high speed of available optical data links and transmitters. The mirror is oriented at an angle to the data stream such that an optical pulse is reflected to one detector when the mirror is in the superconducting, reflective state and is passed through the mirror to another detector when the mirror is temporarily in the non-superconducting, non-reflective state under the control of a current pulse. A plurality of mirrors may be used to direct optical pulses of the incoming data stream to more than two detectors.

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