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Polarization-Interleaved Spatial-Multiplexed Optical Downlink with Fisher-Information-Optimized Self-Referenced Turbulence Correction
This invention is a method of high-volume, high-speed secure optical communications between la spacecraft, or a similar aerospace transmitter, and ground stations without a guide star or beacon. The method uses a correction reference composed of spatial beamlets to facilitate high-speed communication rates.
Background:
Space-based data centers have...
Published: 9/21/2026
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Updated: 9/21/2026
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Inventor(s): Mohamed ElKabbash
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Telecommunications, Technology Classifications > Imaging & Optics > Lasers & Other Sources, Technology Classifications > Engineering & Physical Sciences > Communications & Networking > Optical
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Scalable and Alignment Tolerant Evanescent Fiber-to-Chip Coupler with Curved Buried Waveguides
This invention involves coupling light from one or more optical fibers into optical waveguides formed within the volume of a glass substrate for use in optical interconnects, photonic packaging, glass interposers, and co-packaged optical systems. A high-index optical coupling body is bonded to an edge or side surface of the substrate to generate a phase-matched...
Published: 9/14/2026
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Updated: 9/14/2026
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Inventor(s): Mohamed ElKabbash
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Imaging & Optics > Lens & System Design
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Flattening of Classical and Quantum Optical Circuits via Vectorial Multiplane Light Conversion and Global Operator Synthesis
This technology describes a system for implementing global vectorial linear optical transformations that act simultaneously on spatial and internal degrees of freedom of light through operator-based synthesis using cascaded diffractive elements. This is accomplished primarily with a metasurface nonphotonic/diffractive implementation.
Background:
High-dimensional...
Published: 8/31/2026
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Updated: 8/31/2026
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Inventor(s): Mohamed ElKabbash
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Quantum, Technology Classifications > Imaging & Optics > Telecommunications
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Hyperentangled Bell-State Analysis via Spin–Orbit Basis Mapping to Spatial Modes
This invention analyzes single-photon spin-orbit Bell states using a single diffractive optical element, including but not limited to a metasurface, which allows for a configuration to map different spin-orbit Bell states into distinct spatial output channels. Rather than implementing a sequence of operations, the invention performs a global transformation...
Published: 8/31/2026
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Updated: 8/31/2026
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Inventor(s): Mohamed ElKabbash
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Telecommunications, Technology Classifications > Engineering & Physical Sciences > Quantum
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Parity-Based Bell-State Analyzer Using Basis-Dependent Joint Correlation Statistics
This invention concerns methods and systems for identifying polarization Bell states by measuring parity statistics of joint two-photon correlation operators in multiple polarization bases using metasurfaces. The invention implements these measurements into compact optical architectures using linear and circular polarization bases, which creates a Bell-state...
Published: 8/31/2026
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Updated: 8/31/2026
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Inventor(s): Mohamed ElKabbash
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Quantum, Technology Classifications > Imaging & Optics > Telecommunications
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Generation of Polarization–Orbital Angular Momentum Hyperentangled Photons via Spin–Orbit Conversion and Mode Overlap
This invention describes a method and system for generating hyperentangled photon states across multiple degrees of freedom, such as polarization and orbital angular momentum, using nanophotonic optical elements, such as metasurfaces. This approach is important in generating hyperentanglement quantum states directly rather than via a beam splitter.
Background:...
Published: 8/31/2026
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Updated: 8/31/2026
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Inventor(s): Mohamed ElKabbash
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Quantum, Technology Classifications > Imaging & Optics > Telecommunications
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High-Speed Binary Phase Spatial Light Modulation using Subwavelength-Stroke Electro-Mechanical Reflectors
This invention is a specialty, phase-only spatial light modulator (SLM) that can operate at about 1 MHz speed with two accessible phases. The design principle is to match the mechanical displacement to the optical requirement, enabling significantly higher switching speeds than conventional Micro-Electro-Mechanical Systems (MEMS) phase modulators.
Background:...
Published: 8/31/2026
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Updated: 8/31/2026
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Inventor(s): Mohamed ElKabbash
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Telecommunications, Technology Classifications > Imaging & Optics > Lens & System Design, Technology Classifications > Engineering & Physical Sciences > Photonics
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High-Efficiency Transmissive EUV Metalens via Inverted Effective Medium Architecture
This invention is a manufacturing and support approach for high-efficiency transmissive extreme ultraviolet (EUV) metalenses based on an inverted effective medium architecture. The technology focuses on making the metalens structure more practical by adding a mechanically stable support scaffold for the lens features. This approach is designed to preserve...
Published: 8/24/2026
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Updated: 8/24/2026
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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 > Lens & System Design
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EUV Lithography System Using Segmented Transmissive Projection Optics
This invention is an extreme ultraviolet (EUV) lithography system that uses segmented transmissive projection optics to pattern and project EUV light onto semiconductor wafers. Instead of relying on one large transmissive optical element, the system divides the projection aperture into multiple smaller transmissive channels. This segmented design helps...
Published: 8/24/2026
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Updated: 8/24/2026
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Inventor(s): Mohamed ElKabbash
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Lens & System Design, Technology Classifications > Engineering & Physical Sciences > MEMS & Nanotechnology, Technology Classifications > Engineering & Physical Sciences > Photonics
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High-Speed Optical Modulation and Spatial Light Modulation Using Nanoelectromechanical Systems Coupled to Photonic Resonance
This invention describes devices that combine nanoelectromechanical systems (NEMS) with photonic resonances to achieve high-speed control of optical amplitude. The invention combines the high mechanical bandwidth of NEMS with strong optical transduction to enable modulation speeds that exceed MEMS-based spatial light modulators (SLMs) while maintaining...
Published: 8/24/2026
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Updated: 8/24/2026
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Inventor(s): Mohamed ElKabbash
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Imaging & Optics > Telecommunications, Technology Classifications > Imaging & Optics > Materials & Fabrication
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