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Grating-Resonant SNSPD Design for Enhanced Absorption Efficiency via Waveguide and Photonic Confinement
This invention presents a novel superconducting nanowire single-photon detector (SNSPD) design that significantly enhances photon absorption efficiency by combining waveguide redirection and lateral photonic confinement. The approach increases the effective absorption cross-section of the nanowire without lengthening it—overcoming a key limitation...
Published: 6/30/2025
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Inventor(s): Mohamed ElKabbash
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Telecommunications, Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Engineering & Physical Sciences > Quantum
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Ultra-Narrowband Induced Transmission Filter for EUV Lithography
This invention introduces a transmission-based induced filter operating in the extreme ultraviolet (EUV) regime. The purpose of the invention is to create high transmittance and ultranarrow band filters for EUV lithography even with losses. The filter is composed of EUV-compatible mirrors and a lossy medium. At the resonance frequency, there is minimal...
Published: 6/30/2025
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Inventor(s): Mohamed ElKabbash
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Microscopy, Spectroscopy, Polarimetry, Technology Classifications > Imaging & Optics > Medical Imaging, Technology Classifications > Imaging & Optics > Sensors and Detection > Inspection
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Capturing Nano- and Micro-Objects in Predesignated Sites using Suspended Membranes
This invention introduces a novel method for capturing and positioning nano- and micro-scale objects at predetermined locations using suspended membranes. The technology leverages precisely engineered membrane structures to facilitate the controlled trapping of particles without requiring complex optical or mechanical manipulation techniques. This technique...
Published: 6/30/2025
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Inventor(s): Mohamed ElKabbash, James McGrath, Greg Madejski
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Engineering & Physical Sciences > Quantum, Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Engineering & Physical Sciences > MEMS & Nanotechnology
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Optical Readout of On-Chip Photodetectors Using Mach-Zehnder Interferometers
This invention presents a method for all-optical readout of detection events from on-chip photodetectors (PDs) using Mach-Zehnder Interferometers (MZIs). It eliminates the need for electrical wiring to transmit detection signals by leveraging optical modulation, providing a fully photonic detection and readout scheme. The system uses an integrated on-chip...
Published: 6/30/2025
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Inventor(s): Mohamed ElKabbash
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Engineering & Physical Sciences > Quantum, Technology Classifications > Imaging & Optics > Lasers & Other Sources, Technology Classifications > Imaging & Optics > Materials & Fabrication
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Solar Control Coatings for Consumer Electronics
This invention is a coating for consumer electronic devices which is designed to reduce overheating under ultraviolet (UV), infrared (IR), or direct sunlight exposure while preserving high visible light transmission. This coating is adapted from solar reflective coatings in architectural windows and repurposed for electronic devices to maintain the...
Published: 6/30/2025
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Inventor(s): Mohamed ElKabbash
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Displays, Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Materials > Coatings, Technology Classifications > Engineering & Physical Sciences > Electronics
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Object Detection in Scattering Media Using the Generalized Likelihood Ratio Test (GLRT)
This technology is a novel method for object detection in environments with significant scattering and other forms of interference. The approach leverages maximum likelihood estimation principles to achieve optimal object detection and characterization based on known physical models of scattering and emission from thermal emission, light scattering,...
Published: 6/30/2025
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Inventor(s): Mohamed ElKabbash
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Sensors and Detection > Remote Sensing, Technology Classifications > Imaging & Optics > Lens & System Design
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Integrated CMOS Spectrometer: Revolutionizing Spectroscopy through In-Chip Diffusion Technology
This invention is a novel spectrometer design which integrates the diffusing component directly into a Complementary Metal-Oxide-Semiconductor (CMOS) sensor array, thereby enhancing compactness and manufacturing efficiency. The core innovation lies in repurposing one or more metal interconnects in the back end of the line of the CMOS chip to act as...
Published: 6/5/2025
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Inventor(s): Mohamed ElKabbash
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Imaging & Optics > Microscopy, Spectroscopy, Polarimetry
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Schlieren Imaging System using Thin Film Stack Optical Coatings or Metasurface Filters
This technology involves the use of thin film stacks or metasurfaces as spatial filters in Schlieren imaging systems for optical diagnostics. By design, these materials possess inherent spatial filtering properties, eliminating the need for the precise mechanical alignment required by knife-edge setups and simplifying the system’s assembly and...
Published: 6/5/2025
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Inventor(s): Mohamed ElKabbash
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Engineering & Physical Sciences > Semiconductors, Technology Classifications > Imaging & Optics > Materials & Fabrication
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Apodized Prism Coupler for Optimized Evanescent Mode Matching Between Optical Fibers and Integrated Waveguides
This invention is a novel optical coupling apparatus and method that uses a prism-based coupler with an apodized coupling region to optimize mode matching between an optical fiber and an on-chip waveguide. This invention adapts apodization for prism coupling. It shapes the diffracted output field into a Gaussian-like profile that closely matches the...
Published: 5/12/2025
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Inventor(s): Mohamed ElKabbash, James McGrath, Greg Madejski
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Imaging & Optics > Telecommunications
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Backside-Patterned Nanostructured Lens in BSI CMOS Sensors
This invention introduces a novel approach to enhancing backside-illuminated (BSI) Complementary Metal-Oxide-Semiconductor (CMOS) sensors by integrating patterned nanostructured lens elements, such as metalenses, directly into the backside silicon layer or additional material layers. Unlike conventional microlens arrays, these nanostructured lenses...
Published: 5/12/2025
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Inventor(s): Mohamed ElKabbash
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Lens & System Design, Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Engineering & Physical Sciences > Photonics
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