| Enhancement of Available Conversion Efficiency of Optical Parametric Amplifier in a Cascaded Photonic Crystal Structure |
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| 作者姓名： | 李文慧 陈历学 汤冬华 丁卫强 刘树田 |
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| 作者单位： | [1]Department of Physics, Harbin Institute of Technology,Harbin 150001 |
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| 摘 要： |
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| 关 键 词： | 晶体结构 光学参数 放大器 层叠结构 |
| 收稿时间： | 2005-06-21 |
| 修稿时间： | 2005-06-21 |
Enhancement of Available Conversion Efficiency of Optical Parametric Amplifier in a Cascaded Photonic Crystal Structure |
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| Li WenHui;Chen LiXue;Shang DongHua;Ding WeiJiang;Liu ShuTian.Enhancement of Available Conversion Efficiency of Optical Parametric Amplifier in a Cascaded Photonic Crystal Structure[J].Chinese Physics Letters,2005,22(10):2582-2584. |
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| Authors: | Li WenHui;Chen LiXue;Shang DongHua;Ding WeiJiang;Liu ShuTian |
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| Abstract: | Using the cascaded structure of a linear and a second-order nonlinear photonic crystals, we realize a high-efficiency optical parametric amplifier in the case of exact phase matching. This proposal is verified using the slow-envelope nonlinear finite difference time domain numerical method. Compared with the case of the individual nonlinear photonic crystal structure, the oscillation threshold is decreased obviously; and the peak power amplification factor of the transmitted signal is enhanced more than 20 times. |
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