Optical arrangement of a strip-shaped optical waveguide

Optical waveguides – Temporal optical modulation within an optical waveguide – Electro-optic

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385 40, G02F 1035

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active

055599060

ABSTRACT:
A tonable optical arrangement is composed of two or more strip waveguides disposed on a substrate with the waveguides having different lengths and at least one having a controllable phase shifting device for controlled generation of a phase shift in that particular waveguide. This arrangement is useful for WDM transmission, for wavelength switching or for wavelength conversion.

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M. K. Smit, "New Focusing and Dispersive Planar Component Based on an Optical Phased Array", Electronics Letters, vol. 24, No. 7, 31 Mar. 1988, pp. 385-386 .
Takahashi et al., "Arrayed-Waveguide Grating for Wavelength Division Multi-Demultiplexer with Nanometre Resolution", Electronics Letters, vol. 26, No. 2, 18 Jan. 1990, pp. 87-88.

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