Abstract
We propose a new type of optical wavelength demultiplexer that employs the wavelength dependence of reflectivity at the interface plane for two media having different dispersive characteristics. This device utilizes a total-reflection phenomenon and guarantees a perfectly zero cross talk or less than 4 × 10−4 cross talk, respectively, at any wavelength shorter or longer than the design-window-wavelength region.
© 1983 Optical Society of America
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