Patent · US Expired

Coherent optical receiver

US4596052A · kind A · utility

20Cited by
2References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 20, 1983
Grant dateJun 17, 1986
Priority date
Expiry dateMay 20, 2003

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04B10/60
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A coherent optical receiver for an input optical signal including a local oscillator source of coherent optical signal a single beam splitter/combiner to which both the input and local oscillator signals are applied to produce two substantially identical combined optical signals, a pair of substantially identical photodetectors electrically connected in series, each photodetector receiving one of the combined optical signals, and an output amplifier the input of which is connected to the series connection between the photodetectors.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.