Split-pumped dual stage optical fiber amplifier

Details Split-pumped dual stage optical fiber amplifier Split-pumped dual stage optical fiber amplifier

1998-01-22

1999-11-23

Moskowitz, Nelson

Optical: systems and elements

Optical amplifier

Correction of deleterious effects

359134, 359160, 359341, 372 6, 372 71, G02B 626, H01L 1500, H01S 330

Patent

active

059910690

ABSTRACT:
A dual-stage doped fiber amplifier is provided which utilizes a single pump laser and a passive power splitter to pump both amplifier stages. The passive splitter couples a first portion of the power output of the single pump laser to a first stage amplifier and a second portion of the pump power to the second stage. In this manner, the performance characteristics of the amplifier can be controlled by utilizing a single pump source.

REFERENCES:
patent: 5050949 (1991-09-01), DiGiovanni et al.
patent: 5392154 (1995-02-01), Chang et al.
patent: 5406411 (1995-04-01), Button et al.
patent: 5506723 (1996-04-01), Junginger
patent: 5608571 (1997-03-01), Epworth et al.
patent: 5673280 (1997-09-01), Grubb et al.

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