Optical transmitting apparatus and an optical transmitting system
US6760150B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2002 |
| Grant date | Jul 6, 2004 |
| Priority date | — |
| Expiry date | Apr 18, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S2301/02
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical transmitting apparatus having a first optical amplifier by which quality of an output optical signal after amplified is changed according to an amplification gain, a second optical amplifier by which quality of an output optical signal after amplified is changed according to an input level of an output optical signal from the first optical amplifier, and a controlling means for performing an adaptive control on an amplification gain of the first optical amplifier so that quality of an output optical signal from the second optical amplifier becomes maximum, thereby optimizing signal quality in the optical transmitting apparatus in a hybrid optical amplifier structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.