| Measurements of refractive index profiles of proton－exchanged LiNbO_3 waveguidesusing TE－TM mode conversion |
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| 作者姓名： | WANG Bao |
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| 作者单位： | WANG Bao(Institute of Optical CAD，Shanghai University，Shanghai 200032，China)HU H. Z.，ZHAO Ci(Department of Physics，Tianjin University，Tianjin 300072，China) |
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| 摘 要： | Ｍｅａｓｕｒｅｍｅｎｔｓｏｆｒｅｆｒａｃｔｉｖｅｉｎｄｅｘｐｒｏｆｉｌｅｓｏｆｐｒｏｔｏｎ－ｅｘｃｈａｎｇｅｄＬｉＮｂＯ_３ｗａｖｅｇｕｉｄｅｓｕｓｉｎｇＴＥ－ＴＭｍｏｄｅｃｏｎｖｅｒｓｉｏｎＷＡＮＧＢａｏ（ＩｎｓｔｉｔｕｔｅｏｆＯｐｔｉｃａｌＣＡＤ?..
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| 收稿时间： | 1993/4/12 |
Measurements of refractive index profiles of proton-exchanged LiNbO_3 waveguides using TE-TM mode conversion |
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| WANG Bao.Measurements of refractive index profiles of proton-exchanged LiNbO_3 waveguides using TE-TM mode conversion[J].中国激光(英文版),1994,3(2):143-150. |
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| Authors: | WANG Bao |
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| Abstract: | The effective indices of guided modes in proton-exchanged LiNbO3 waveguides have been measured by means of TE-TM mode conversion. The mode conversion can tuke place in the process of acoustooptic coupling or even without the acoustic wave. This technique has obvious advantages over the standard prism method. The profiles of the extraordinary reftactive index, in the depth direction and in the lateral direction as well, have also been calculated based on the theory of multilayer waveguide. |
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| Keywords: | refractive index profile LiNbO_3 waveguide TE-TM mode conversion |
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