| Broadband Frequency Down-Conversion Using Coupled Cavity Structures in One-Dimensional Photonic Crystals |
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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： | Department of Physics, Harbin Institute of Technology, Harbin 150001 |
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| 摘 要： | The frequency down-conversion of one-dimensional photonic crystals with the coupled cavity structure is investigated by the nonlinear finite-difference time-domain method. The efficient frequency conversion is obtained by utilizing the advantages of the broad eigenfrequency band, the strong localization and the Bloch phase matching of the coupled cavity structure. More importantly, the signal frequency could be tuned continuously within the whole band of the coupled cavity structure （with a bandwidth to central frequency ratio of 5.4%）, and the gains are homogeneous in the band.
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| 关 键 词： | 宽带频率 耦合腔结构 一维光子晶体 非线性差分时域法 相匹配 |
| 收稿时间： | 2005-11-31 |
| 修稿时间： | 2005-11-31 |
Broadband Frequency Down-Conversion Using Coupled Cavity Structures in One-Dimensional Photonic Crystals |
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| LI Wen-Hui, CHEN Li-Xue, TANG Dong-Hua, DING Wei-Qiang LIU Shu-Tian.Broadband Frequency Down-Conversion Using Coupled Cavity Structures in One-Dimensional Photonic Crystals[J].Chinese Physics Letters,2006,23(4):845-848. |
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| Authors: | LI Wen-Hui CHEN Li-Xue TANG Dong-Hua DING Wei-Qiang LIU Shu-Tian |
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