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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …