Grating coupled laser for Si photonics

D Mahgerefteh, S Lin, Y Matsui, D Wang… - US Patent …, 2022 - Google Patents
A grating coupled laser (GCL) includes an active section and a passive section. The passive
section is butt coupled to the active section to form a butt joint with the active section. The …

Electronic device and assembly which includes optical-wave guides

R Coffy, F Perminjat, JM Riviere - US Patent App. 16/519,753, 2020 - Google Patents
An electronic chip includes an integrated optical-wave guide having an end section that
extends parallel to a face of the electronic chip. A local groove provided in the electronic …

Method of producing a device for adiabatic coupling between waveguide arrays, corresponding device, and system

MA Shaw, L Maggi, A Fincato - US Patent 10,761,279, 2020 - Google Patents
A method includes providing a semiconductor body comprising a surface with a recessed
portion therein. The recessed portion includes a bottom surface. Optical waveguide cores in …

Optical module

J Hasegawa, Y Uchida - US Patent 10,634,846, 2020 - Google Patents
An optical module includes a single-mode optical fiber; a high relative refractive-index
difference optical fiber having a larger core-to-cladding relative refractive-index difference …

Tapered photonic waveguide to optical fiber proximity coupler

RA Budd - US Patent 10,353,152, 2019 - Google Patents
A photonic waveguide structure may include a tapered photonic waveguide structure within
a photonic substrate, such that the tapered photonic waveguide structure has a tapered …

Optical coupling scheme

T Collins - US Patent 10,459,166, 2019 - Google Patents
A waveguide structure for optical coupling is provided. The waveguide structure includes a
first waveguide embedded in a cladding of a lower refractive index than the first waveguide …

Tapered photonic waveguide to optical fiber proximity coupler

RA Budd - US Patent 10,042,120, 2018 - Google Patents
A photonic waveguide structure may include a tapered photonic waveguide structure within
a photonic substrate, such that the tapered photonic waveguide structure has a tapered …