Patent · US Expired

Resonator fiber bidirectional coupler

US6580851B1 · kind B1 · utility

49Cited by
7References
72Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 12, 1999
Grant dateJun 17, 2003
Priority date
Expiry dateNov 12, 2019

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B6/29383
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A resonator, e.g., a silica microsphere or disk, is used between two fiber optic cables to form an add/drop filter. The resonator is resonant with the frequency to be added or dropped. In this way, only that particular channel is added or dropped as needed.

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