Er-doped optical fiber amplifier

Details Er-doped optical fiber amplifier Er-doped optical fiber amplifier

1997-02-21

1999-03-16

Hellner, Mark

Optical: systems and elements

Optical amplifier

Optical fiber

359334, H01S 0300

Patent

active

058837361

ABSTRACT:
An Er-doped optical fiber amplifier is adapted to increase the length of transmission path by raising the intensity of pumped light. In an Er-doped optical fiber amplifier 1 for amplifying signal light by means of an Er-doped optical fiber 7, using a 1,530 nm band pumping source 8, 1,530 nm band pumped light is Raman-amplified by a 1,430 nm-1,450 nm band light source 9 on the transmission path of an optical fiber 5.

REFERENCES:
patent: 5323404 (1994-06-01), Grubb

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