Optical transmission systems, devices, and method
US7542679B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 19, 2004 |
| Grant date | Jun 2, 2009 |
| Priority date | — |
| Expiry date | Aug 29, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J14/0305
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method of receiving optical channels including providing an optical band filter configured to filter at least one optical channel from a multiple channel optical signal and provide a band filtered optical signal. A periodic filter is configured to filter and/or shape one channel from the band filtered optical signal and provide the periodic filtered, shaped signal to a receiver and other optical system. The invention also relates to corresponding systems and apparatuses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.