Search Results - mona+hella

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Opto-Electrical Cross-Connect Switch-Receiver
RPI ID: 2017-055-401 / 2017-055-601 Innovation Summary: An integrated cross‑point architecture connects a 2D array of photodetectors to multiple transimpedance amplifiers (TIAs) through a CMOS‑controlled MOS switch matrix, enabling fully programmable N×M optical‑to‑electrical routing. Avalanche photodiodes (APDs) interface directly to the switch...
Published: 3/10/2026   |   Inventor(s): BASSEM FAHS, Robert, Jr. Karlicek, Mona Hella
Keywords(s): advanced photodetectors, avalanche photodiodes, CMOS integration, data-centers, Internet, internet of things, Optical networking, smart cities
Category(s): Nanotechnology and Advanced Materials
Arterial Pulse Waveform Sensing System with Automatic Bridge-Offset Calibration and Super Class-AB Output Stage
RPI ID: 2019-088-401 Innovation Summary: A system is disclosed for sensing arterial pulse waveforms using a resistive bridge sensor with integrated offset calibration circuitry. The calibration system includes dual current digital-to-analog converters (IDACs), successive approximation registers (SARs), and a comparator that adjusts compensation currents...
Published: 3/10/2026   |   Inventor(s): Yu-Pin Hsu, Zemin Liu, Mona Hella
Keywords(s): arterial pressure, artery pulse waveform, Blood pressure, Blood pressure monitoring, ECG, electrocardiogram, monitor
Category(s): Computational Science and Engineering
SILICON NITRIDE WAVEGUIDE COUPLED PHOTODIODE
RPI ID: 2020-084-401 Innovation Summary: A silicon nitride waveguide is integrated with a photodiode to enhance optical signal detection in photonic circuits. The design enables efficient coupling of light from the waveguide into the photodiode, improving responsivity and bandwidth. It supports CMOS-compatible fabrication and is suitable for high-speed...
Published: 3/10/2026   |   Inventor(s): Mona Hella, Robert, Jr. Karlicek, Asif Chowdhury
Keywords(s): avalanche photodiodes, photodiode, silicon nitride waveguide, silicon waveguide
Category(s): Nanotechnology and Advanced Materials