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Propagation of two-dimensional optical wave through metal gaps with nanometer-order thickness (/spl Lt//spl lambda//sub 0/)

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4 Author(s)
Takahara, J. ; Graduate Sch. of Eng. Sci., Osaka Univ., Japan ; Yamauchi, T. ; Murata, H. ; Kobayashi, T.

Summary form only given. The size of optical devices is limited to wavelength-order due to diffraction. Metal is known as a negative dielectric (ND) at visible and IR range. For example, coupled surface plasmon polariton (SPP) in thin metal gap structure (ND gap) is a 2D optical wave. In the previous studies, we have shown that 2D optical wave in ND gap can be confined and guided in a nanometer-order core structure. We stress that a 2D optical waveguide is not a conventional waveguide, but principally a new one. Here, we report the experimental results of 2D optical waveguide. We measured the propagation loss of a 2D optical wave in NDgap.

Published in:

Quantum Electronics and Laser Science Conference, 1999. QELS '99. Technical Digest. Summaries of Papers Presented at the

Date of Conference:

23-28 May 1992