Optical devices and methods of fabrication thereof
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United States of America Patent
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Aug 17, 2004
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app pub date -
Mar 11, 2003
filing date -
May 16, 1997
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Abstract
An optical device includes a waveguide bounded by a region containing a photonic band gap the properties of which determined the transfer characteristic of the waveguide. Such a device may serve as a component of, for example a wavelength division multiplexer, a monochromatic laser or a chemical sensor. It may serve as an optical bus for an electronic component such as a microprocessor. These devices are particularly suitable for incorporation in optical and opto-electronic integrated circuits as they permit the fabrication of waveguides having right-angle bends with a radius of the order of 2 .mu.m.
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