Optical pulse detector and encoder
US4369363A · kind A · utility
9Cited by
1References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 16, 1981 |
| Grant date | Jan 18, 1983 |
| Priority date | — |
| Expiry date | Mar 16, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/3526
- WIPO fieldOptics
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.