Abstract

It is demonstrated that the superprism effect is greatly enhanced in the configuration of a symmetrical metal-cladding waveguide owing to the strong dispersion effect of ultrahigh-order modes. The experimental result shows that a notable spatial displacement of the reflected beam as large as $0.9\mathrm{mm}$ is achieved within a variation of $0.15\mathrm{nm}$ in wavelength.

© 2008 Optical Society of America

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