17 January 2005 Experiment on all-optical bi-directional interconnection with double mutual-pumped phase conjugate mirrors
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Abstract
Recently, the scheme of bi-directional optical communication with a mutual-pumped phase conjugate mirror (MPPCM) has attracted attention. Bi-directional communication enables the integration of devices because input port and output port can be shared. We propose a new design for all-optical bi-directional interconnection with double MPPCMs. This interconnection is composed of two photorefractive crystals and a polarized beam splitter which is located between two crystals. The bi-directional connection is formed via two MPPCMs produced by illumination of the signal beams and the control beam. In this interconnection, the wiring pattern can be reconfigured flexibly by changing the spatial distribution of the control beam without any adjustment of the signal beams. The signal beams and the control beam are orthogonal polarized, so the signal beams can be transmitted without energy loss in dividing with control beam. In addition, the signal beams transmitting through the two crystals enhance the MPPCMs efficiently under the appropriate condition. After the buildup of MPPCMs, the connection is maintained without consecutive illumination of the control beam. Therefore the self-holding is achieved and it enables the interconnection with lower power consumption. In this paper, we analyze the optimum intensity ratio of the control beam for the signal beam in order to obtain high connection efficiency. Moreover, we confirm the self-holding of connection experimentally using BaTiO3 crystals and Ar+ laser without consecutive illumination of the control beam and show the connection can be maintained for several hundred times as long as the time constant of the crystal.
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Soichiro Hondo, Soichiro Hondo, Atsushi Okamoto, Atsushi Okamoto, Kunihiro Sato, Kunihiro Sato, Satoshi Honma, Satoshi Honma, } "Experiment on all-optical bi-directional interconnection with double mutual-pumped phase conjugate mirrors", Proc. SPIE 5644, Optoelectronic Devices and Integration, (17 January 2005); doi: 10.1117/12.573708; https://doi.org/10.1117/12.573708
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