Transmitter and transceiver for a coherent optical system
US5084779A · kind A · utility
6Cited by
2References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 15, 1988 |
| Grant date | Jan 28, 1992 |
| Priority date | — |
| Expiry date | Dec 15, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B10/64
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
In a coherent optical system, a transmitter or transceiver having an optical source which feeds a single coherent wave to both a modulator and a bi-direction amplifier. The modulator generates a modulated information signal and the amplifier generates an unmodulated, amplified reference signal. A coupling means combines the modulated and amplified signals for transmission to a remote detector. The detector uses the amplified signal as the reference optical signal in a homodyne or heterodyne system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.