| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Long-Range Interactions between Nematicons |
| CAO Long-Gui, ZHENG Ya-Jian, HU Wei, YANG Ping-Bao, GUO Qi |
| Laboratory of Photonic Information Technology, South China Normal University, Guangzhou 510631 |
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| Cite this article: |
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CAO Long-Gui, ZHENG Ya-Jian, HU Wei et al 2009 Chin. Phys. Lett. 26 064209 |
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Abstract We theoretically and experimentally investigate the long-range interaction between nematicons. It is demonstrated that the interaction becomes strongest when the pretilt angle of liquid crystal molecules is nearly π/4 for a given single-beam input power P0, and that the interaction becomes stronger when the incident power P0 increases at a given pretilt angle. In this way, the interaction is still observed when the initial separation is 43 times of the soliton width, much larger than that implemented in lead glasses [Nature Phys. 2(2006)769].
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| Keywords:
42.65.Tg
42.70.Df
42.65.Jx
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Received: 22 November 2008
Published: 01 June 2009
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| PACS: |
42.65.Tg
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(Optical solitons; nonlinear guided waves)
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42.70.Df
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(Liquid crystals)
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42.65.Jx
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(Beam trapping, self-focusing and defocusing; self-phase modulation)
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