Optical element, optical circuit provided with the optical...

Details Optical element, optical circuit provided with the optical... Optical element, optical circuit provided with the optical...

2008-03-25

2008-03-25

Bovernick, Rodney (Department: 2874)

Optical waveguides

Planar optical waveguide

C385S014000

Reexamination Certificate

active

07349612

ABSTRACT:
An optical element of the present invention includes a structure having at least one convex portion and at least one concave portion formed so as to be adjacent to either one of the convex portions. At least one surface of the structure is covered, and the optical element has a hollow portion. At least one surface of the structure is covered with a covering layer formed by a deposition process.

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S. Janz, et al., “TuK2(Planar waveguide echelle gratings: an embeddable diffractive element for photonic integrated circuits)”, Proceedings of OFC 2002, Mar. 2002, pp. 69-70.
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Susumu Noda, et al., “Full Three-Dimensional Photonic Bandgap Crystals at Near-Infrared Wavelengths”, SCIENCE, vol. 289, Jul. 2000, pp. 604-606.
J. Koyama, et al. “Optical Wave Electronics”, Corona Publishing Co., Ltd., Tokyo, 1978, Chapter 4, pp. 98-101 and 132 (with partial translation).

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