Logic arithmetic unit with two semiconductor optical amplifiers

Abstract

Disclosed is a logic arithmetic unit comprising a first continuous semiconductor laser, a first intensity modulator, a first erbium-doped optical fiber amplifier, a first wavelength division multiplexer, a first polarization controller, a first semiconductor optical amplifier, a second polarization controller and a second wavelength division multiplexer which are connected in sequence, the unit also comprises a second continuous semiconductor laser, a second intensity modulator, a second erbium-doped optical fiber amplifier, a third wavelength division multiplexer, a third polarization controller, a second semiconductor optical amplifier, a fourth polarization controller and a fourth wavelength division multiplexer, all of which are connected in sequence; the first wavelength division multiplexer is connected with the fourth wavelength division multiplexer through a first circulator, and the second wavelength division multiplexer is connected with the third wavelength division multiplexer through a second circulator; wherein the first circulator and the second circulator are connected with the first optical directional coupler, the first optical directional coupler is further connected with the third circulator, and the third circulator is connected with the first mode-locked semiconductor laser. And the invention has the advantages of good compatibility with an optical network, high sensitivity and high response speed.

Description

technical field [0001] The invention belongs to the technical field of information technology logic devices, and in particular relates to a logic arithmetic unit including two semiconductor optical amplifiers. Background technique [0002] In all-optical communication and all-optical quantum computing, the logic device is the key device. Compared with the traditional electronic communication system, the signal processing speed of the all-optical device is fast, the information exchange is timely, and it is no longer affected by the "electronic bottleneck". [0003] The existing logical arithmetic units are not compatible with optical networks, and the response speed needs to be further improved. Contents of the invention [0004] The invention aims at the deficiencies of the prior art, and provides a logic arithmetic unit including two semiconductor optical amplifiers. [0005] In order to achieve the above-mentioned purpose of the invention, the present invention takes t...

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Problems solved by technology

[0003] Existing logic operators are not compatible with optical networks, and the response speed needs to be further improved

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