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アイテムタイプ	学術雑誌論文
タイトル	Polarization Coupling Between Strongly Guiding Waveguides Stacked Laterally
著者	著者名 YAMAUCHI, Junji
	著者名 SHIBUYA, Noriyuki
	著者名 NAKANO, Hisamatsu
言語	eng
ISSN	07338724
出版者	Institute of Electrical and Electronics Engineers
雑誌名	Journal of lightwave technology
	Journal of lightwave technology
号	13
開始ページ	2433
終了ページ	2438
発行年	2009-07-01
著者版フラグ	Version of Record
キーワード	Beam-propagation method
	laterally stacked waveguides
	polarization converter
	polarization crosstalk
抄録	The full-vectorial beam-propagation method is applied to the assessment of the coupling characteristics between strongly guiding waveguides stacked laterally. The polarization crosstalk behavior of square waveguides stacked laterally is demonstrated by the eigenmode and beam-propagation analyses. In order to make use of the polarization crosstalk constructively, we determine the vertical spacing between the two square waveguides. Almost complete conversion can be obtained, when the two waveguides are stacked diagonally. Another coupler composed of two rectangular waveguides is studied to realize the polarization conversion without exchanging the power with the same polarization. A crossing-waveguide-type polarization converter is also developed, with a short device length of less than 80 m at a wavelength of 1.55 m.
権利	Copyright (C) 2009, IEEE
資源タイプ	Article
書誌レコードID	AA10453426
インデックス	資料タイプ別 ＞ 学術雑誌論文 ＞ 自然科学
	301 学術雑誌論文 ＞ 自然科学

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