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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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Optical Elements from Thin Film Coatings
This technology enables the creation of advanced optical elements through thin film coatings. By spatially varying the thickness, order, and material composition of thin film stacks, the technology allows for precise control of light's phase and amplitude. It is particularly advantageous in the extreme ultraviolet (EUV) wavelength range, where traditional...
Published: 4/21/2025
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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 > MEMS & Nanotechnology, Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Materials > Coatings
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Optical Elements Through Phase Control Using Effective Medium Approach in Thin Films and Membranes
This invention introduces a novel method for designing optical elements, such as lenses, by using the effective medium theory (EMT). By employing subwavelength patterns in thin films or membranes, the technology creates localized refractive index changes that enable precise control over the behavior of light. This approach is particularly effective...
Published: 4/21/2025
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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, Technology Classifications > Engineering & Physical Sciences > MEMS & Nanotechnology
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Method and Structure for Optical Coupling in Photonic Integrated Circuits Using Etched Silicon Substrates
This invention introduces a novel method and structure for optical coupling in photonic integrated circuits (PICs) using etched silicon substrates. These etched features allow light to be introduced from beneath the substrate and efficiently coupled into on-chip waveguides. It enhances the efficiency of photonic couplings, allowing multiple input modes...
Published: 4/14/2025
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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
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Flexible Glass Interconnect Structures for Photonic Integrated Circuit
This technology introduces a flexible glass-based optical interconnect solution for photonic integrated circuits (PICs). It leverages a carefully designed array of high index and low index materials to make an optical connection that optimizes light coupling and reduces scattering and propagation loss. The method provides a solution to replace traditional...
Published: 3/24/2025
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Inventor(s): Stanley Pau, Thomas Koch
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Imaging & Optics > Fiber Optics, Technology Classifications > Engineering & Physical Sciences > Photonics
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Metasurface-Based Faraday Isolator
This is an ultrathin Faraday isolator that combines polarization-sensitive metasurfaces with a few-micron-thick magneto-optical (MO) material to achieve efficient and compact optical isolation. By using metasurfaces, it minimizes the traditional size and material constraints of Faraday isolators. The metasurfaces diffract light at different angles based...
Published: 2/10/2025
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Inventor(s): Mohamed ElKabbash
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Quantum, Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Materials > Nanomaterials
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