Optical waveguide device and optical modulator

Details Optical waveguide device and optical modulator Optical waveguide device and optical modulator

2006-10-27

2008-11-11

Doan, Jennifer (Department: 2874)

Optical waveguides

Planar optical waveguide

C385S130000, C385S131000

Reexamination Certificate

active

07450811

ABSTRACT:
In an optical waveguide device according to the present invention, a multi-layer cladding which is formed by laminating one or more high refractive index layers having the refractive index higher than that of a core and one or more low refractive index layers having the refractive index lower than that of the core, is disposed on a substrate on which an optical waveguide is formed, and utilizing the structural birefringence of this multi-layer cladding, the polarization-dependence of the optical waveguide is increased. As a result, it becomes possible to provide the optical waveguide device having a simple optical waveguide structure for selectively attenuating one of polarization modes of a propagated light.

REFERENCES:
patent: 6519379 (2003-02-01), Izawa et al.
patent: 7133578 (2006-11-01), Doi
“Optical Integrated Circuit (revised and enlarged edition)”pp. 281-283, by Hiroshi Nishihara et al., Ohmsha, Aug. 20, 1993.
Max Born et al., “Electromagnetic Theory of Propagation, Interference and Diffraction of Light,”. Principles of Optics, sixth edition, Pergamon Press, pp. 704-709, Issue date 1980.

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