Fault tolerant optical amplifier arrangement

Details Fault tolerant optical amplifier arrangement Fault tolerant optical amplifier arrangement

1992-08-21

1993-08-31

Moskowitz, Nelson

Optical: systems and elements

Optical amplifier

Optical fiber

359345, 372 70, G02B 626, H01S 330

Patent

active

052414140

ABSTRACT:
For a group of optical amplifiers, pump beams from an array of lasers are mixed together to form a plurality of composite pump beams. Each composite pump beam is distributed to the pump port of a particular optical amplifier. The composite pump beam improves the reliability of each optical amplifier. Rather than having catastrophic failure of an optical amplifier occasioned by the failure of its pump laser, it is now possible to maintain full operation of the group of optical amplifiers even though one or more lasers fail.

REFERENCES:
patent: 4383318 (1983-05-01), Barry et al.
patent: 4867518 (1989-09-01), Stanwitz et al.
patent: 5020152 (1991-05-01), Glista
patent: 5054876 (1991-10-01), Grasso et al.
patent: 5083874 (1992-01-01), Aida et al.

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