Optical amplifiers

Details Optical amplifiers Optical amplifiers

1995-10-05

1997-03-04

Hellner, Mark

Optical: systems and elements

Optical amplifier

Optical fiber

359337, 359124, H01S 300

Patent

active

056085710

ABSTRACT:
An optical amplifier for a wavelength multiplexed transmission system has a set of optically amplifying fibres (26a, 26b) each provided with an associated spectrally selective Bragg reflector (27a, 27b). The amplifying fibres are optically coupled with a coupler (23) such that an optical signal having different spectral components launched into an input (21a) of the coupler is emitted from an output (21b) of the coupler after the different components have propagated through different ones of the amplifying fibres each after reflection in its associated reflector.

REFERENCES:
patent: 5260823 (1993-11-01), Payne et al.
patent: 5271024 (1993-12-01), Huber
patent: 5283686 (1994-02-01), Huber
patent: 5323404 (1994-06-01), Grubb
patent: 5434702 (1995-07-01), Byron
patent: 5452116 (1995-09-01), Kirkby et al.

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