Optical pulse detector and encoder

Details Optical pulse detector and encoder Optical pulse detector and encoder

1981-03-16

1983-01-18

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

307427, H01J11014

Patent

active

043693636

ABSTRACT:
Solid-state waveguide structures are disclosed to detect and/or encode very fast (picosecond) optical signals. The waveguides are appropriately configured to cause very fast signals to interact with interrogation or erasure pulses by a two photon absorption mechanism. The coincidence of the pulses in particular regions causes erasure and/or changes in the waveguide conductivity which can be measured conventionally by parallel circuitry.

REFERENCES:
patent: 4303840 (1981-12-01), Bjorkholm et al.

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