Patent · US Expired

Optical transmission systems, devices, and method

US7542679B2 · kind B2 · utility

8Cited by
12References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 19, 2004
Grant dateJun 2, 2009
Priority date
Expiry dateAug 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.