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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 張宏鈞(Hung-Chun Chang) | |
| dc.contributor.author | Wan-Ju Tseng | en |
| dc.contributor.author | 曾莞如 | zh_TW |
| dc.date.accessioned | 2021-06-15T03:52:28Z | - |
| dc.date.available | 2012-07-12 | |
| dc.date.copyright | 2010-07-12 | |
| dc.date.issued | 2010 | |
| dc.date.submitted | 2010-07-08 | |
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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/44660 | - |
| dc.description.abstract | 此篇論文利用全向量虛軸有限元素波束傳播法分析研究表面電漿子波導，討論的結構包括脊形波導、槽形波導及V形波導。針對不同的結構參數我們計算波導之有效折射率、傳播長度、模態場型以及色散關係。對於具有一薄層低介電質材料介於金屬和高介電質材料之間的脊形波導，討論不同薄層厚度對於傳播模態的影響。對於槽形波導中，討論在槽中間填充不同分佈的高介電質材質時，對於模場的侷限性和傳播長度的影響以及在不同寬度或厚度的高介電質材質對於減少損耗的可能性。對於具有有限高度和厚度的金屬之V形波導，討論不同金屬層厚度對於通道電漿子模態和楔形電漿子模態特性的改善。 | zh_TW |
| dc.description.abstract | This research studies the surface plasmon polariton (SPP) waveguides using the finite element imaginary-distance beam propagation method (FE-ID-BPM). The rib waveguide, slot waveguides, channel plasmon, and V-shaped waveguides are investigated. The effective indices, propagation lengths, modal field profiles, and dispersion relations are calculated for various structure papramters. In the rib waveguide with a layer of low-index material located between the metal cap and the high-index material layer, various layer thicknesses are examined to understand different guided- mode characteristics. In the slot waveguide, a high-index material is introduced in the slot and mode field confinement and propagation length analyzed for different widths and heights of the high-index material for possible loss reduction. In the V-shaped waveguide with a metal layer of finite thickness, the characteristics of the channel plasmon polariton (CPP) and wedge plasmon polariton (WPP) modes for different metal-layer thicknesses are studied. | en |
| dc.description.provenance | Made available in DSpace on 2021-06-15T03:52:28Z (GMT). No. of bitstreams: 1 ntu-99-R97941001-1.pdf: 11261453 bytes, checksum: a131b97defcdab7da9c10c1c22bea34b (MD5) Previous issue date: 2010 | en |
| dc.description.tableofcontents | 1 Introduction 1
1.1 Motivations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.2 Numerical Methods for Waveguide Analysis . . . . . . . . . . . . . . 2 1.3 Chapter Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Mathematical Formulations and Related Techniques 5 2.1 Perfectly Matched Layers . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.2 The Finite Element Mode Solver . . . . . . . . . . . . . . . . . . . . 8 2.3 The Finite Element Beam Propagation Method . . . . . . . . . . . . 12 2.4 The Finite-Element Imaginary-Distance Beam Propagation Method . 15 3 Analysis of Rib and Slot Plasmonic Waveguides 24 3.1 Overview: Surface Plasmon Waveguides . . . . . . . . . . . . . . . . 24 3.2 Dielectric Function of the Free Electron Gas . . . . . . . . . . . . . . 25 3.3 Introduction to Surface Plasmon Polaritons . . . . . . . . . . . . . . 26 3.3.1 Field Expressions for the Surface Plasmon Polaritons . . . . . 26 3.3.2 Dispersion Relation for Surface Plasmon Polaritons . . . . . . 29 3.4 Silicon-based Hybrid Plasmonic Waveguides with a Metal Cap . . . . 29 3.4.1 The Waveguide Model . . . . . . . . . . . . . . . . . . . . . . 29 3.4.2 Analysis Results . . . . . . . . . . . . . . . . . . . . . . . . . 30 3.5 Metal-Dielectric Slot Waveguides . . . . . . . . . . . . . . . . . . . . 33 3.5.1 An Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 3.5.2 Analysis of Slot Waveguide with Different Structures . . . . . 34 4 Channel and Wedge Plasmon Modes of Metallic V-Grooves 72 4.1 V-shaped Waveguides: An Overview . . . . . . . . . . . . . . . . . . 72 4.2 V-Groove Waveguides with Infinite-Height Groove and Infinite-Thickness Metal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 4.3 V-Groove Waveguides with Finite-Height Groove and Infinite-Thickness Metal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 4.4 V-Groove Waveguides with Finite-Height Groove and Finite-Thickness Metal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 5 Conclusion 96 Bibliography 98 | |
| dc.language.iso | en | |
| dc.subject | V型波導 | zh_TW |
| dc.subject | 表面電漿子波導 | zh_TW |
| dc.subject | 有限元素法 | zh_TW |
| dc.subject | 脊形波導 | zh_TW |
| dc.subject | 槽形波導 | zh_TW |
| dc.subject | surface plasmon waveguide | en |
| dc.subject | V-shaped waveguide | en |
| dc.subject | slot waveguide | en |
| dc.subject | rib waveguide | en |
| dc.subject | finite element method | en |
| dc.title | 以全向量虛軸有限元素波束傳播法分析脊形、槽形
與V形表面電漿子波導 | zh_TW |
| dc.title | Analysis of Rib, Slot, and V-Shaped Surface Plasmonic Waveguides Using a Full-Vectorial Imaginary-Distance Finite-Element Beam Propagation Method | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 98-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 江衍偉(Yean-Woei Kiang),吳宗霖(Tzong-Lin Wu) | |
| dc.subject.keyword | 表面電漿子波導,有限元素法,脊形波導,槽形波導,V型波導, | zh_TW |
| dc.subject.keyword | surface plasmon waveguide,finite element method,rib waveguide,slot waveguide,V-shaped waveguide, | en |
| dc.relation.page | 104 | |
| dc.rights.note | 有償授權 | |
| dc.date.accepted | 2010-07-08 | |
| dc.contributor.author-college | 電機資訊學院 | zh_TW |
| dc.contributor.author-dept | 光電工程學研究所 | zh_TW |
| 顯示於系所單位： | 光電工程學研究所 | |
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