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A photonic-plasmonic mode converter using mode-coupling-based polarization rotation for metal-inserted silicon platform

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タイトル: A photonic-plasmonic mode converter using mode-coupling-based polarization rotation for metal-inserted silicon platform
著者: Ishizaka, Yuhei 著作を一覧する
Nagai, Masaru 著作を一覧する
Fujisawa, Takeshi 著作を一覧する
Saitoh, Kunimasa 著作を一覧する
キーワード: slot waveguides
plasmonic waveguides
surface plasmon polariton
finite element method
発行日: 2017年 1月25日
出版者: 電子情報通信学会(The Institute of Electronics, Information and Communication Engineers / IEICE)
誌名: IEICE electronics express
巻: 14
号: 2
開始ページ: 1
終了ページ: 10
出版社 DOI: 10.1587/elex.13.20160989
抄録: We present a photonic-plasmonic mode converter using modecoupling- based polarization rotation for connecting a silicon wire and hybrid plasmonic waveguides on a metal-inserted silicon platform. By using the polarization rotator based on defect-introduced silicon wire waveguide, the proposed mode converter can convert the photonic TE mode into the hybrid plasmonic TM mode. At the beginning, to identify a cross-sectional structure for polarization conversion, we investigate the hybrid parameters that determine the degree of mode rotation using the two-dimensional vector finite element method. Next, using the three-dimensional vector finite element method, we investigate the conversion characteristics of the whole device including input and output ports. Numerical results show that the extinction ratio of 46 dB and the insertion loss of 0.36 dB are achieved. The tolerance of the defect is also numerically evaluated. Our proposed mode converter can reduce insertion losses compared to conventional mode converters based on a taper-introduced butt joint structure.
Rights: Copyright ©2017 The Institute of Electronics, Information and Communication Engineers
Relation (URI): http://search.ieice.org/
資料タイプ: article
URI: http://hdl.handle.net/2115/65124
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 齊藤 晋聖

 

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