Faser cavity optical memory with optical storage and readout

Details Faser cavity optical memory with optical storage and readout Faser cavity optical memory with optical storage and readout

1988-10-11

1989-10-31

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

365106, H01J 3150

Patent

active

048779520

ABSTRACT:
This invention is an optical memory device in which data is written, stored and read out in optical form without any conversion to electronics. The functions performed such as readout, reset and the like can be via electronic means, optical means, or a combination of both. The inherent bistability/hysteresis which is required for the memory function is obtained with a laser structure which includes a saturable absorber and, as a portion of the cavity, a waveguide.

REFERENCES:
patent: 4546244 (1985-10-01), Miller
patent: 4670860 (1987-06-01), Wilson
"An Experiment on High-Speed Optical Time-Division Switching", by Syuji Suzuki et al., Journal of Lightwave Technology, vol. LT-4, No. 7, Jul. 1986, pp. 894-899.

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