Patent · US Active

Quadrature time skew detection for coherent optical signals

US8565621B2 · kind B2 · utility

37Cited by
5References
14Claims
0Family size

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Key dates

Filing dateSep 23, 2011
Grant dateOct 22, 2013
Priority date—
Expiry dateMar 13, 2032

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L27/223
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A method for detecting and measuring time skew in high-speed DP-QPSK coherent optical receivers is described.

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