| Defect modes in optically induced photonic lattices in biased photovoltaic-photorefractive crystals | |
| Lu, Keqing1; Guo, Jianbang2; Li, Kehao2; Chen, Weijun1; Sun, Tongtong1; Yao, Fengxue1; Niu, Pingjuan1; Xu, Jingjun3 | |
| 作者部门 | 瞬态光学国家重点实验室 |
| 2012-06-01 | |
| 发表期刊 | OPTICAL MATERIALS
 |
| ISSN | 0925-3467 |
| 卷号 | 34期号:8页码:1277-1281 |
| 产权排序 | 2 |
| 摘要 | We show that defect modes in optically induced photonic lattices are possible in biased photovoltaic-photorefractive crystals. These defect modes exist in different bandgaps when the defect strength is changed. When the defect strength is positive, there is a defect-mode branch in each bandgap. When the defect strength is negative, there is a defect-mode branch in the first bandgap and are many defect-mode branches in higher bandgaps. For a given defect strength, the strongest confinement of the defect modes appears in the semi-infinite bandgap when the defect strength is positive and in the first bandgap when the defect strength is negative. On the other hand, these defect modes are those studied previously in optically induced photonic lattices in biased non-photovoltaic-photorefractive crystals when the bulk photovoltaic effect is negligible and predict those in optically induced photonic lattices in photovoltaic-photorefractive crystals when the external bias field is absent. Crown Copyright (C) 2012 Published by Elsevier B.V. All rights reserved. |
| 文章类型 | Article |
| 关键词 | Defect Solitons Photonic Lattices Photorefractive Effect Non-linear Optics |
| 学科领域 | Materials Science |
| WOS标题词 | Science & Technology ; Technology ; Physical Sciences |
| DOI | 10.1016/j.optmat.2012.01.036 |
| 收录类别 | SCI ; EI |
| 关键词[WOS] | SOLITONS |
| 语种 | 英语 |
| WOS研究方向 | Materials Science ; Optics |
| WOS类目 | Materials Science, Multidisciplinary ; Optics |
| WOS记录号 | WOS:000304224800008 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.opt.ac.cn/handle/181661/20322 |
| 专题 | 瞬态光学研究室 |
| 作者单位 | 1.Tianjin Polytech Univ, Sch Elect & Informat Engn, Tianjin 300387, Peoples R China 2.Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Peoples R China 3.Nankai Univ, Dept Phys, Tianjin 300071, Peoples R China |
| 推荐引用方式 GB/T 7714 | Lu, Keqing,Guo, Jianbang,Li, Kehao,et al. Defect modes in optically induced photonic lattices in biased photovoltaic-photorefractive crystals[J]. OPTICAL MATERIALS,2012,34(8):1277-1281. |
| APA | Lu, Keqing.,Guo, Jianbang.,Li, Kehao.,Chen, Weijun.,Sun, Tongtong.,...&Xu, Jingjun.(2012).Defect modes in optically induced photonic lattices in biased photovoltaic-photorefractive crystals.OPTICAL MATERIALS,34(8),1277-1281. |
| MLA | Lu, Keqing,et al."Defect modes in optically induced photonic lattices in biased photovoltaic-photorefractive crystals".OPTICAL MATERIALS 34.8(2012):1277-1281. |
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