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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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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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Flat and Low Profile Beam and Image Steering Device
This invention describes a method of flat beam steering optical architecture without bulk optics using MEMS-based flat-beam steering technology.
Background:
Laser beam steering is relevant in many applications such as LiDAR, scanning displays, metrology, optical interconnects, optical communication, and various scientific instruments, such as optical...
Published: 8/24/2026
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Updated: 8/24/2026
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Inventor(s): Yuzuru Takashima
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Lasers & Other Sources, Technology Classifications > Imaging & Optics > Displays, Technology Classifications > Imaging & Optics > Optical Fab / Metrology, Technology Classifications > Imaging & Optics > Telecommunications
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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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Thin-Film-Glass Organic Electro-Optic Modulator for Ultra-High-Speed and Energy-Efficient Optical Interconnects
This invention is a type of ultra-high-speed electro-optic modulator (>100GHz) that integrates nonlinear optical polymers with thin film waveguides to allow for high-bandwidth modulation with low drive voltage. These devices could offer a practical replacement for silicon nitride or thin-film lithium niobate modulators. Unlike conventional silicon...
Published: 9/28/2026
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Updated: 6/26/2026
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Inventor(s): Yasufumi Enami
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Imaging & Optics > Telecommunications > Electro-Optic Devices, Technology Classifications > Imaging & Optics > Materials & Fabrication > Optical, EO & MO, Technology Classifications > Imaging & Optics > Telecommunications, Technology Classifications > Imaging & Optics > Data Storage, Technology Classifications > Imaging & Optics > Materials & Fabrication
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OAM-based Entanglement Assisted Free-Space Optical Communication with Unknown Receiver Position
This technology relates to a combination of an entanglement-assisted free-space optical communication testbed and orbital angular momentum (OAM)-based beam shaping to acquire and communicate with receivers whose exact position is unknown, covering a wide search area in strong turbulence regime.
Background:
Establishing a free-space optical (FSO) communication...
Published: 3/2/2026
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Updated: 3/2/2026
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Inventor(s): Ivan Djordjevic, Ignacio Rojas, Vijay Nafria
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Communications & Networking, Technology Classifications > Engineering & Physical Sciences > Communications & Networking > Optical, Technology Classifications > Imaging & Optics > Telecommunications, Technology Classifications > Engineering & Physical Sciences > Quantum
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