High efficiency bandwidth doubled and gain flattened silica fibe

Details High efficiency bandwidth doubled and gain flattened silica fibe High efficiency bandwidth doubled and gain flattened silica fibe

1998-02-20

2000-08-15

Hellner, Mark

Optical: systems and elements

Optical amplifier

Optical fiber

359349, H01S 300

Patent

active

061045276

ABSTRACT:
A broadband light amplifier comprising a pair of signal transmission and amplification arms, one for carrying a short wavelength signal in a short optical wavelength band and another for carrying a longer wavelength signal in a longer optical wavelength band, an optical amplifier in each arm for amplifying a respective signal carried therein, and a wavelength division optical multiplexer for combining the amplified signals into a single optical fiber, the amplifier being devoid of a circulator.

REFERENCES:
patent: 5392154 (1995-02-01), Chang et al.
patent: 5790721 (1998-08-01), Lee
patent: 5801858 (1998-09-01), Roberts et al.
patent: 5978130 (1999-11-01), Fee et al.

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