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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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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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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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Multilayer Stacking for High Aspect Ratio Feature Formation
This invention introduces a novel fabrication method that enables the formation of high aspect ratio features in non-silicon materials. Unlike conventional deep reactive ion etching (RIE), which struggles with certain materials, this technique sequentially builds structures through multiple cycles of resist patterning, deposition, and alignment. By...
Published: 5/12/2025
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Inventor(s): Mohamed ElKabbash
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Engineering & Physical Sciences > Semiconductors
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Method for Integrating Quantum Emitters as On-Chip Light Sources in Photonic Integrated Circuits Fabricated on Membranes
This invention presents a high-precision, scalable method for integrating quantum emitters as on-chip light sources in photonic integrated circuits (PICs) fabricated on thin-film membranes (e.g., SiN membranes). By utilizing nanopore trapping and deterministic positioning, this method enables precise placement of quantum dots (QDs), atomic defects,...
Published: 5/12/2025
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Inventor(s): Mohamed ElKabbash
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Imaging & Optics > Telecommunications, Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Engineering & Physical Sciences > Quantum
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Method for Multilayer Nanophotonic Effective Medium Optics via Spin-Coated Planarization Layers
This technology introduces a novel method for fabricating multilayer nanophotonic devices using spin-coated planarization layers. The process ensures precise alignment and spacing between optical layers, enabling the creation of advanced optical elements for photonic computing and compound lenses. Spin coating is a procedure used to deposit uniform...
Published: 4/21/2025
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Inventor(s): Mohamed ElKabbash
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Engineering & Physical Sciences > MEMS & Nanotechnology, Technology Classifications > Imaging & Optics > Optical Fab / Metrology, Technology Classifications > Imaging & Optics > Lens & System Design, Technology Classifications > Imaging & Optics > Materials & Fabrication
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