Optical waveguides – Planar optical waveguide – Thin film optical waveguide
Reexamination Certificate
2007-02-20
2007-02-20
Font, Frank G. (Department: 2883)
Optical waveguides
Planar optical waveguide
Thin film optical waveguide
C385S125000, C385S129000, C385S130000, C385S132000
Reexamination Certificate
active
10379556
ABSTRACT:
In an optical device, a slab layer has an active layer sandwiched between two cladding layers. Periodic air holes are present in the slab layer. A linear defect region is present in a part of the air hole structures. As a result, laser oscillation is generated at the band end in a two-dimensional photonic crystal waveguide mode.
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Noda Susumu
Sugitatsu Atsushi
Font Frank G.
Kyoto University
Leydig , Voit & Mayer, Ltd.
Mitsubishi Denki & Kabushiki Kaisha
Wong Eric
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