Laser optical transmission system with dual modulation
US8718484B2 · kind B2 · utility
4Cited by
8References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 2007 |
| Grant date | May 6, 2014 |
| Priority date | — |
| Expiry date | Jul 5, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B10/588
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An optical transmitter for generating a modulated optical signal for transmission over dispersive fiber optic links in which a first information-containing radio frequency signal input is applied to a modulation circuit for directly modulating a semiconductor laser with the signal input. The output of the laser is applied to a phase modulator to which a second information-containing radio frequency signal is applied.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.