U.S. Philips Corporation

Meint K Smit

Cornelis Van Dam

Helmut Heidrich

Carl Michael Weinert

Pierre-Andre Besse

Hans Melchior

Cornelis A Steenbergen

Karl M Hamacher

Martin R Amersfoort

An optical device, such as for example a wavelength division multiplexer/demultiplexer, a wavelength router, an optical comb filter or a planar lens, having a first coupler and a second coupler which are connected by an array of optical waveguide channels. At least one of the couplers is a multimode imaging component (MMI), which has the property that the radiation distribution at any input thereof is imaged onto each of the coupler outputs and with uniform power distribution among the outputs. Efficient power transfer in thereby achieved. Phase differences between the inputs and the outputs are compensated by appropriate differences in optical pathlength of neighboring channels in the array.

Optical device with phased array

An integrated optical circuit includes a first device and a second device, which devices are connected by a polarization convertor. The polarization convertor includes a curved section of a waveguide, integrated in the optical circuit. The curved section may have several differently curved subsections. The conversion ratio is determined in part by the radius of curvature of the curved subsections as well as by the number of transitions between subsections.

Integrated optical circuit comprising a polarization convertor

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Delft, Netherlands

Meint K Smit