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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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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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Metasurface-Based Dual-Axis Polarization Beam Splitter for Entanglement Verification
This invention describes a nanophotonic element that simultaneously performs two distinct polarization-sorting operations. Each photon incident on the device is directed to one of four quadrants in the far field or focal plane and are uniquely encoded based on their polarization outcome in both the linear and circular bases in a single measurement,...
Published: 2/9/2026
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Inventor(s): Mohamed ElKabbash
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Quantum, Technology Classifications > Engineering & Physical Sciences > Communications & Networking > Optical, Technology Classifications > Imaging & Optics > Telecommunications
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Zernike Mode Sorting with Vortex Phase Filtering
This invention uses vortex filters, used in conjunction with single-mode converters, to spatially sort real and complex-valued Zernike polynomials and function as an arbitrary spatial mode sorter.
Background:
Optical systems rely on the precise manipulation of complex light fields. Conventional wavefront sensing and mode decomposition techniques...
Published: 2/2/2026
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Inventor(s): Jacob Trzaska, Amit Ashok
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Engineering & Physical Sciences > Quantum, Technology Classifications > Imaging & Optics > Telecommunications
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Adaptive Spatial Mode Correction for Free-Space Optical Communication Without Reference Beams
This invention provides a guide-star-free adaptive correction method for free-space optical (FSO) communication links. The system employs a high-speed spatial light modulator or equivalent adaptive optical element to detect and correct turbulence-induced distortions directly from the communication signal. By continuously optimizing a signal-quality...
Published: 12/23/2025
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Inventor(s): Mohamed ElKabbash
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Communications & Networking > Optical, Technology Classifications > Imaging & Optics > Telecommunications, Technology Classifications > Imaging & Optics > Data Storage
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Novel Multi-Dimensional Mode-Hopping For Secure/Covert Free-Space Optical Communications
This invention describes a free-space optical communications architecture that enables robust and high-speed data links while maintaining security and strengthening resistance to eavesdropping. The technology utilizes mode-hopping through spectral, spatial, and temporal modes of a light beam while maintaining high bandwidth and multi-user operation...
Published: 11/3/2025
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Inventor(s): Mehmetcan Akbulut
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Communications & Networking > Optical, Technology Classifications > Imaging & Optics > Telecommunications
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Method and System for the Acquisition and Tracking of Free-Space Optical Communications Systems
This technology is a method and system to improve the speed of free-space optical communications. The technology uses a novel beam scanning technique to reduce the time needed for two optical communications terminals (OCTs) to locate each other and establish communications in linear time. This enables time-synchronized optical communications with minimal...
Published: 10/24/2025
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Inventor(s): Florian Willomitzer, John Bass, Muralidhar Madabhushi Balaji
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Communications & Networking > Optical, Technology Classifications > Imaging & Optics > Lasers & Other Sources, Technology Classifications > Imaging & Optics > Telecommunications
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Tunable Communication Bandwidth Filter
The Tunable Communication Bandwidth Filter is a highly efficient electro-optically driven filter designed to dynamically adjust to specific frequencies within the full communication bandwidth of 1270-1620 nm. Unlike traditional filters, which may be static or slower in response, this innovation allows for rapid tuning, making it ideal for high-speed...
Published: 9/8/2025
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Inventor(s): Amanda Chatterton
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Telecommunications, Technology Classifications > Imaging & Optics > Telecommunications > Electro-Optic Devices, Technology Classifications > Engineering & Physical Sciences > Communications & Networking > Optical
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Using Squeezed Light for Enhanced Change-Detection in a Laser Communication Channel
Invention:
This invention describes how to augment a train of bright phase-modulated laser light pulses of a communications system by splitting squeezed light. This can be used to detect minuscule drops in connectivity and channel loss without affecting the communications rate. Connectivity drops in laser or fiber-optic communication systems can occur...
Published: 8/11/2025
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Inventor(s): Saikat Guha
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Imaging & Optics > Telecommunications, Technology Classifications > Imaging & Optics > Lasers & Other Sources, Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Engineering & Physical Sciences > Quantum
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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: 7/15/2025
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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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High-Secured Ultrafast Quantum Communication
This technology is a method for secure, high speed quantum communication that uses ultrafast squeezed light. This ultrafast squeezed light Is generated by directing quantum light generated by a light field synthesizer (LFS) onto a silicon dioxide target. This light, which is generated at a petahertz-scale frequency, is used for quantum communication...
Published: 6/5/2025
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Inventor(s): Mohammed Tharwat Hassan
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Quantum, Technology Classifications > Engineering & Physical Sciences > Communications & Networking, Technology Classifications > Engineering & Physical Sciences > Communications & Networking > Optical, Technology Classifications > Imaging & Optics > Telecommunications, Technology Classifications > Software & Information Technology > Security, Technology Classifications > Software & Information Technology > Communications & Networking
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