Integrated circuit device having optically coupled layers

Details Integrated circuit device having optically coupled layers Integrated circuit device having optically coupled layers

2005-06-21

2009-08-04

Hughes, James P (Department: 2883)

Optical waveguides

With optical coupler

Particular coupling function

C385S009000

Reexamination Certificate

active

07570849

ABSTRACT:
In an integrated circuit device comprising a vertical arrangement of integrated circuit layers, coupling of an optical signal between a first integrated circuit layer thereof and a second integrated circuit layer thereof is described. The optical signal is evanescently coupled between a photonic crystal defect waveguide and a photonic crystal defect cavity in the first integrated circuit layer and projectably coupled between the photonic crystal defect cavity and an optical aperture on the second integrated circuit layer.

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Asano et al. “Investigation of a channel-add/drop-filtering device using acceptor-type point defects in a two-dimensional photonic crystal slab.” Applied Physics Letters. vol. 83, No. 3. Jul. 21, 2003. pp. 407-409.
Asano et al. “Investigation of a channel-add/drop-filtering device using acceptor-type point defects in a two-dimensional photonic-crystal slab.” Applied Physics Letters. V. 83, N. 3. pp. 407-409.
Asano, T., et. al., “Investigation of a channel-add/drop-filtering device . . . in a two-dimensional photonic-crystal slab.” App. Phys. Lett. vol. 83, No. 3. 407-9 (Jul. 21, 2003).

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