Polarization Dependence Analysis of Optical Loss in Small-Aperture Metal Waveguides for Near-Field Optics

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概要

• 論文の詳細を見る

• Optical intensity profile and optical loss in small-aperture metal waveguides were analyzed by a one-dimensional waveguide model and the beam propagation method. Guided mode profile and optical loss have a great dependence on the polarization direction of the guided lightwave. The loss for the TM0 mode is two orders of magnitude smaller than that for the TE0 mode for a slit width of less than half-wavelength. A very small spot is available at high efficiency by using a metal waveguide and an incident light with TM polarization.

• Publication Office, Japanese Journal of Applied Physics, Faculty of Science, University of Tokyoの論文
• 2001-03-30

著者

• Hatakoshi Gen-ichi

  Advanced Discrete Semiconductor Technology Laboratory Corporate Research & Development Center

• Furuyama Hideto

  Advanced Discrete Semiconductor Technology Laboratory, Corporate Research & Development Center, Toshiba Corporation, 1 Komukai Toshiba-cho, Saiwai-ku, Kawasaki 212-8582, Japan

• Hatakoshi Gen-ichi

  Advanced Discrete Semiconductor Technology Laboratory, Corporate Research & Development Center, Toshiba Corporation, 1 Komukai Toshiba-cho, Saiwai-ku, Kawasaki 212-8582, Japan

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• Polarization Dependence Analysis of Optical Loss in Small-Aperture Metal Waveguides for Near-Field Optics

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