All-optical inverter

Details All-optical inverter All-optical inverter

1993-12-17

1995-07-18

Hellner, Mark

Optical: systems and elements

Optical amplifier

Optical fiber

359244, G02F 139

Patent

active

054347017

ABSTRACT:
An all-optical inverter device is achieved by employing an optical amplifier having a optical filter positioned in a feedback loop arranged so that an output signal of the optical amplifier having a first characteristic wavelength is inversely related to an input signal to the optical amplifier having a second characteristic wavelength.

REFERENCES:
patent: 5088095 (1992-02-01), Zirngibl
patent: 5128800 (1992-07-01), Zirngibl
patent: 5155780 (1992-10-01), Zirnigibl
patent: 5229876 (1993-07-01), Fatehi et al.
patent: 5239607 (1993-08-01), da Silva et al.
patent: 5268786 (1993-12-01), Matsushita et al.
"Gain Control In Erbium-Doped Fibre Amplifiers By An All-Optical Feedback Loop", Electronics Letters, 28 Mar. 1991, vol. 27, No. 7 pp. 560-561.

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