A composite optical waveguide is constructed using an array of waveguide cores, in which
one core is tapered to a larger dimension, so that all the cores are used as a composite input …

A composite optical waveguide is constructed using an array of waveguide cores, in which
one core is tapered to a larger dimension, so that all the cores are used as a composite input …

A device is provided for optical mode spot size conversion to optically couple a
semiconductor waveguide with an optical fiber. The device includes a waveguide …

A composite optical waveguide is constructed using an array of waveguide cores, in which
one core is tapered to a larger dimension, so that all the cores are used as a composite input …

Abstract Development of Integrated Optical Circuits depends greatly on progress in coupling
light to and between chip devices. Exemplary disclosed embodiments provide a system and …

A composite optical waveguide is constructed using an array of waveguide cores, in which
one core is tapered to a larger dimension, so that all the cores are used as a composite input …

An optical waveguide structure may include a dielectric layer having a top surface, an optical
waveguide structure, and an optical coupler embedded within the dielectric layer. The …

An embodiment of the present invention is directed to improving the ef? ciency of a grating
coupled Waveguide. While grating assisted directional couplers can be very ef? cient When …

Substrate having a major Surface, a first waveguide Segment and a Second waveguide
Segment, and a folded evanescent coupler connecting the first waveguide Segment to the …

In some embodiments, an optical coupler comprises a Sub strate, and first and second
optical waveguides positioned on the Substrate. The second optical waveguide extends …