Wavelength multiplexing apparatus and method
US9407396B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 3, 2014 |
| Grant date | Aug 2, 2016 |
| Priority date | — |
| Expiry date | Sep 24, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J14/0227
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A wavelength multiplexing apparatus includes: a dividing unit to divide a multiplexed optical signal into a plurality of groups each including a plurality of channels; a designating unit to designate, for each group, an arbitrary channel as a designated channel and to designate an adjacent channel in a predetermined frequency direction; an acquisition unit to acquire a first optical level at a central wavelength in the designated channel and a second optical level at a wavelength at which the designated channel and the adjacent channel interfere with each other; a comparison unit to compare a determined ratio of the second optical level to the first optical level with a reference ratio of a third optical level to the first optical level; and an adjustment unit to adjust a wavelength spacing between the designated channel and the adjacent channel in the group, based on a result of the comparison.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.