Separate spatial holographic and two-photon-Hamiltonian soliton pairs in an unbiased series photorefractive crystal circuit |
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Authors: | Xuanmang Ji Qichang Jiang Jinsong Liu |
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Institution: | 1. Department of Physics and Electronic Engineering, Yuncheng University, Yuncheng 044000, China;2. College of Optoelectronic Science and Engineering, Huazhong University of Science and Technology, 430074, China |
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Abstract: | This paper presents calculations for an idea in photorefractive spatial solitons, namely, a dissipative holographic soliton and a two-photon-Hamiltonian spatial soliton in one dimension form in an unbiased series photorefractive crystal circuit consisting of a single-photon photorefractive crystals and a two-photon one of which at least one must be photovoltaic. The two solitons are known collectively as a separate Holographic–Hamiltonian spatial soliton pair and there are two types: dark–dark and bright–dark if only one crystal of circuit is photovoltaic. The results show that the two-photon-Hamiltonian soliton in a soliton pair can affect the holographic one by light-induced current and the holographic soliton cannot affect the two-photon-Hamiltonian one. |
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