Photonic chip with an evanescent coupling interface

V Patel, M Webster, R Tummidi, M Nadeau - US Patent 9,933,566, 2018 - Google Patents
Embodiments herein describe a photonic chip which includes a coupling interface for
evanescently coupling the chip to a waveguide on an external substrate. In one …

Horizontal coupling to silicon waveguides

L Chen - US Patent 10,031,292, 2018 - Google Patents
Techniques for forming a facet optical coupler that includes a waveguide formed over a
trench of a silicon substrate are described. The trench is formed in a silicon substrate and …

Spot-size-converter design for facet optical coupling

L Chen, C Doerr - US Patent 10,416,381, 2019 - Google Patents
A facet optical coupler, and techniques for forming a facet optical coupler, that includes a
waveguide disposed in a trench of a substrate are described. The substrate may be a silicon …

Horizontal coupling to silicon waveguides

L Chen - US Patent 10,295,750, 2019 - Google Patents
Techniques for forming a facet optical coupler that includes a waveguide formed over a
trench of a silicon substrate are described. The trench is formed in a silicon substrate and …

Suspended cantilever waveguide

L Chen, C Doerr, L Chen - US Patent 10,571,633, 2020 - Google Patents
Cantilevered waveguides suspended above an air cavity in an underlying substrate are
described. The waveguide is formed by patterning a waveguide layer in some embodiments …

Germanium photodetector having absorption enhanced under slow-light mode

YC Na - US Patent 9,035,409, 2015 - Google Patents
(57) ABSTRACT A novel germanium (Ge) photodetector is disclosed, contain ing a stripe
layer including Ge, a Substrate Supporting the stripe layer, and P and N regions, which are …

Photonic chip with an evanescent coupling interface

V Patel, M Webster, R Tummidi, M Nadeau - US Patent 10,481,326, 2019 - Google Patents
Embodiments herein describe a photonic chip which includes a coupling interface for
evanescently coupling the chip to a waveguide on an external substrate. In one …

Optical waveguide structure

WC Lee - US Patent 10,962,713, 2021 - Google Patents
An optical waveguide structure including a bottom layer, a middle waveguide layer, and a
top cladding layer is provided. The middle waveguide layer is disposed on the bottom layer …

Method of forming photonics structures

G Sandhu - US Patent 11,886,019, 2024 - Google Patents
The disclosed embodiments relate to an integrated circuit structure and methods of forming
them in which photonic devices are formed on the back end of fabricating a CMOS …

Suspended cantilever waveguide

L Chen, C Doerr, L Chen - US Patent 11,221,447, 2022 - Google Patents
US11221447B1 - Suspended cantilever waveguide - Google Patents US11221447B1 -
Suspended cantilever waveguide - Google Patents Suspended cantilever waveguide …