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 …
waveguide disposed in a trench of a substrate are described. The substrate may be a silicon …
Semiconductor device and method of making
YC Chen, LC Tseng, S Lin - US Patent 11,921,325, 2024 - Google Patents
A semiconductor device is provided. The semiconductor device includes a waveguide over
a substrate. The semiconductor device includes a first dielectric structure over the substrate …
a substrate. The semiconductor device includes a first dielectric structure over the substrate …
Semiconductor device and method of making
YC Chen, LC Tseng, S Lin - US Patent 11,675,129, 2023 - Google Patents
(57) ABSTRACT A semiconductor device is provided. The semiconductor device includes a
waveguide over a substrate. The semicon-ductor device includes a first dielectric structure …
waveguide over a substrate. The semicon-ductor device includes a first dielectric structure …
Integrated wavelength selector
L Chen - US Patent 11,556,020, 2023 - Google Patents
Integrated wavelength selectors are described. The wavelength selector may include silicon
nitride ring resonator disposed vertically between a heater and a temperature sensor. The …
nitride ring resonator disposed vertically between a heater and a temperature sensor. The …
Resistivity engineered substrate for RF common-mode suppression
L Chen, LJP Ketelsen - US Patent 11,552,710, 2023 - Google Patents
Aspects of the present disclosure are directed to a photonic integrated circuit (PIC) having a
resistivity-engineered sub strate to suppress radio-frequency (RF) common-mode sig nals …
resistivity-engineered sub strate to suppress radio-frequency (RF) common-mode sig nals …