Optical waveguides – Having nonlinear property
Reexamination Certificate
2006-05-30
2006-05-30
Lee, John D. (Department: 2874)
Optical waveguides
Having nonlinear property
C385S132000
Reexamination Certificate
active
07054532
ABSTRACT:
A waveguide structure formed with a three-dimensional (3D) photonic crystal is disclosed. The 3D photonic crystal comprises a periodic array of voids formed in a solid substrate. The voids are arranged to create a complete photonic bandgap. The voids maybe formed using a technique called “surface transformation,” which involves forming holes in the substrate surface, and annealing the substrate to initiate migration of the substrate near the surface to form voids in the substrate. A channel capable of transmitting radiation corresponding to the complete bandgap is formed in the 3D photonic crystal, thus forming the waveguide. The waveguide may be formed by interfacing two 3D photonic crystal regions, with at least one of the regions having a channel formed therein. The bandgap wavelength can be chosen by arranging the periodic array of voids to have a lattice constant a fraction of the bandgap wavelength.
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Forbes Leonard
Geusic Joseph E.
Lee John D.
Micron Technoloy. Inc.
Rahll Jerry T
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