Device for emission of arbitrary optical beam profiles from a chip to free space

MW Puckett, KD Nelson - US Patent 11,215,760, 2022 - Google Patents
An optical coupler device comprises a substrate having a substantially planar upper surface,
and a grating structure on the upper surface of the substrate. In one embodiment, the grating …

Edge couplers with stacked layering

Y Bian, RA Augur, M Rakowski, KJ Giewont… - US Patent …, 2022 - Google Patents
Structures including an edge coupler and methods of fabricating a structure including an
edge coupler. The edge coupler includes a waveguide core, and a shaped layer is …

Optical coupler having exposed subwavelength gratings for coupling electromagnetic field

M Qi, M Teng, K Han, S Kim, B Niu, YJ Lee - US Patent 10,126,500, 2018 - Google Patents
A semiconductor photonic device includes a substrate, facet (s), and optical coupler (s)
associated with the facet (s). Each optical coupler can couple an electromagnetic field …

Waveguide input coupler with asymmetric taper

JB McGurk, KE Hamilton, AD Goggin… - US Patent …, 2019 - Google Patents
An input waveguide is disposed on a substrate-parallel plane and configured to receive light
from an input surface. A mode converter joins the input waveguide at a junction away from …

Planar tapered waveguide coupling elements and optical couplings for photonic circuits

Y Geng, MJ Li, JP Luther, JL Overcash - US Patent App. 15/812,398, 2018 - Google Patents
An optical coupling includes a planar tapered waveguide coupling element having a first
end opposite a second end, a tapered waveguide positioned within a planar substrate, the …

Vertical output couplers for photonic devices

D Lambert - US Patent 9,829,631, 2017 - Google Patents
A method forms a vertical output coupler for a waveguide that propagates light along a
horizontal propagation direction, through a waveguide material that overlies a buried oxide …

Mode size converters for reducing a modal profile of incoming light

T Ling, J Lee - US Patent 9,348,092, 2016 - Google Patents
BACKGROUND The subject matter herein relates generally to mode size converters that
change a modal profile of propagating light and optical devices including the mode size …

Fiber assembly for facet optical coupling

L Chen, C Doerr, D Vermeulen - US Patent 9,405,073, 2016 - Google Patents
US9405073B2 - Fiber assembly for facet optical coupling - Google Patents US9405073B2 -
Fiber assembly for facet optical coupling - Google Patents Fiber assembly for facet optical …

Waveguide bends with field confinement

Y Bian, AP Jacob - US Patent 10,436,982, 2019 - Google Patents
Structures including waveguide bends, methods of fabricating a structure that includes
waveguide bends, and systems that integrate optical components containing different …

Edge coupler

A Novack, R Shi, MJ Hochberg… - US Patent …, 2018 - Google Patents
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 …