Patent · US Expired

Long wavelength optical amplifier

US6731426B2 · kind B2 · utility

23Cited by
24References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 25, 2001
Grant dateMay 4, 2004
Priority date
Expiry dateMar 15, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01S3/094023
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An L band optical amplifier in disclosed. The optical amplifier includes a signal line which has an input, an output disposed optically downstream of the input, and an amplifying gain medium optically disposed between the input and the output. The optical amplifier further includes a laser optically connected to the first amplifying gain medium and an apparatus for directing C band light into the amplifying gain medium.

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