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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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Thin Film Optical Coating-Based Photonic Accelerators for Scalable and CMOS-Integrated Matrix-Vector Multiplication
This technology introduces a photonic accelerator platform for faster, more efficient computing using advanced optical coatings integrated with existing camera technology. It leverages thin film optical coatings (TFOCs) to perform matrix-vector multiplication (MVM). The system integrates these TFOCs with CMOS technology, a standard in microelectronics,...
Published: 12/9/2024
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Inventor(s): Mohamed ElKabbash, Justin Murante, Michael Hinczewski, Andrew Lininger, Giuseppe Strangi
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Engineering & Physical Sciences > Quantum
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Photopolymerization of Disulfide Methacrylate Resin
This technology introduces a disulfide methacrylate resin designed for high-performance optical applications. Utilizing a novel photopolymerization process, this resin offers enhanced optical properties, such as a high refractive index and low birefringence, making it suitable for precision optics, 3D printing, and advanced manufacturing. The material’s...
Published: 12/16/2024
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Inventor(s): Dong-Chul Pyun, Chisom Olikagu, Jon Njardarson
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Imaging & Optics > Lens & System Design, Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Materials > Polymers
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Creating Photonic Metamaterials in CMOS Foundry Processes
This invention focuses on creating photonic metamaterials by repurposing CMOS (Complementary Metal-Oxide-Semiconductor) foundry processes. Metamaterials are engineered structures designed to achieve specific electromagnetic properties, enabling unique effects such as negative refraction, superlensing, and enhanced light-matter interaction. This development...
Published: 1/21/2025
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Inventor(s): Mohamed ElKabbash
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > MEMS & Nanotechnology, Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Materials > Nanomaterials
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Time-Varying Photonics and Quantum Light Source Using High Temporal Resolution and Repetition Rate Laser Pulses
This technology is a step towards achieving time-varying photonics at optical (visible and IR) wavelengths. It functions by utilizing ultrashort pulses, shorter than ten femtoseconds, to modulate the reflectivity of a material at optical frequencies greater than 100 THz. The modulation rate can be tuned for different purposes, as both the pulse repetition...
Published: 11/18/2024
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Inventor(s): Mohamed ElKabbash
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Lens & System Design, Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Engineering & Physical Sciences > Quantum
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Metasurface-Based Spatial Mode Demultiplexer for Enhanced Imaging Resolution
This invention introduces a compact and lightweight system designed to enhance imaging resolution using a metasurface-based spatial mode demultiplexer. It utilizes a specially engineered metasurface that can efficiently sort and detect the first few orders of spatial modes of light, which are then projected onto a high-resolution camera or detector...
Published: 10/22/2024
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Inventor(s): Mohamed ElKabbash
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Lens & System Design, Technology Classifications > Imaging & Optics > Displays, Technology Classifications > Engineering & Physical Sciences > Photonics
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Metasurface Faraday Isolator
This technology is an ultrathin Faraday isolator that incorporates two novel features that enhance its electromagnetic isolation capability. The first is the incorporation of highly polarization-sensitive metasurfaces to allow it to achieve the necessary polarization rotation for isolation in relatively weak magnetic fields. The second is the usage...
Published: 10/22/2024
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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 > Quantum, Technology Classifications > Engineering & Physical Sciences > Communications & Networking > Optical
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Transparent Highly Ce3+-doped Boron-Aluminosilicate Glass for Advanced Photonic Applications
This invention is a highly stabilized trivalent cerium (Ce3+)-doped boron-aluminosilicate (BASL) glass created with the highest Ce3+ concentration among currently known glass materials. Analysis of Ce3+-doped BASL glass samples properties confirmed the absence of both strong concentration quenching and Ce3+ oxidation. This Ce3+-doped BASL glass has...
Published: 2/3/2025
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Inventor(s): Viktor Dubrovin
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Engineering & Physical Sciences > Photonics
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