Method and apparatus for processing ultrafast optical signals

Details Method and apparatus for processing ultrafast optical signals Method and apparatus for processing ultrafast optical signals

H - Electricity

04

B

H04B 10/06 (2006.01) G02B 5/20 (2006.01) G06E 1/00 (2006.01) G06E 3/00 (2006.01)

Patent

CA 2137064

Holographic matched filters for processing temporal- domain optical data that are produced from a spatial- domain "fingerprint" image of temporal-domain data are disclosed. A transmitted optical pulses to be decoded by the matched filter are dispersed by a diffraction grating and processed by interaction with a particular portion of an angularly-encoded hologram having a plurality of areas representing respective code groups. Transmitted signals are routed to the diffraction grating in response to the detection of a packet header code by interaction with a hologram having angularly- encoded packet header codes. Transmitted pulses from one of several interleaved optical signals are demultiplexed by interaction of the multiplexed signals with optical reference pulses in MQW material read by a laser diode, thereby providing data-rate reduction for ultrafast data.

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