All-optical interconnection with mutually pumped four-wave mixing and optimization for high-connection efficiency

Satoshi Honma; Shinzo Muto; Atsushi Okamoto

doi:10.1117/12.576026

7 February 2005 All-optical interconnection with mutually pumped four-wave mixing and optimization for high-connection efficiency

Satoshi Honma, Shinzo Muto, Atsushi Okamoto

Author Affiliations +

Proceedings Volume 5636, Holography, Diffractive Optics, and Applications II; (2005) https://doi.org/10.1117/12.576026
Event: Photonics Asia, 2004, Beijing, China

Abstract

All-optical interconnections are expected to play an important role in optical computing and neural network systems. Some schemes of the interconnection with a mutually pumped phase conjugate mirror (MPPCM) have been proposed. But it takes long time for reconfiguration of the wiring pattern because the competition among a lot of the index gratings induced by the incident beam and its scattered beams forms MPPCM gradually. In this report, we propose a new optical interconnection by using mutually pumped four-wave mixing (MP-FWM) which is composed of a MPPCM and a degenerate four-wave mixing (FWM). In this method, the two control beams induce the hologram that determines the wiring pattern of the signal beams in the FWM region. On the other hand, the signal beams are transferred to the phase conjugate beam of the one of the control beam through the FWM region by using MPPCM and then the signal beams are diffracted to the desired output channels by the hologram in the FWM region. This scheme can reduce the time to reconfigure the wiring pattern remarkably compared with the conventional interconnection using only MPPCM because the hologram can be reformed by the two control beams arbitrarily. It also can suppress the channel crosstalk that is often generated by the photorefractive fanning effect. This interconnection is effective method to solve the problems of the electrical wiring techniques such as the electro-magnetic interference and the thermal generation. We give the experimental result by using BaTiO₃ crystal and Ar⁺ laser, and investigate the optimum condition of the beams for high connection efficiency.

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Satoshi Honma, Shinzo Muto, and Atsushi Okamoto "All-optical interconnection with mutually pumped four-wave mixing and optimization for high-connection efficiency", Proc. SPIE 5636, Holography, Diffractive Optics, and Applications II, (7 February 2005); https://doi.org/10.1117/12.576026

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KEYWORDS

Phase conjugation

Beam controllers

Chromium

Americium

Strontium

Four wave mixing

Crystals

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