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Impulse-Driven Decoding of QLDPC Codes
This is a software-based decoding method for quantum low-density parity-check (QLDPC) codes that improves error-correction performance while maintaining low computational complexity. The decoder exploits a property of quantum codes known as degeneracy, where multiple distinct physical error patterns produce identical observable effects, in a way that...
Published: 9/2/2026
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Updated: 9/2/2026
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Inventor(s): Shobhit Bhatnagar, Michele Pacenti, Nithin Raveendran, David Declercq, Bane Vasic
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Quantum, Technology Classifications > Software & Information Technology > Communications & Networking
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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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Quantum-Enabled Classical Correlation Transceiver
This invention is a hybrid quantum-classical optical communication system that enables high-speed, ultra-low-power two-way data transfer by leveraging correlated photon detection and classical measurement resources. The transmitter is a broadband two-mode squeezed vacuum optical source where one mode is transmitted, and the other is immediately detected...
Published: 8/18/2026
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Updated: 8/18/2026
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Inventor(s): Michael Bullock, Boulat Bash, Shelbi Jenkins, Mark Meisner
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Quantum, Technology Classifications > Engineering & Physical Sciences > Communications & Networking
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Compiling Error-Corrected Quantum Circuits under Hardware Constraints
This technology is a method of finding the ideal hardware choices to execute a given quantum algorithm, by explicitly treating compilation within the framework of quantum error-correcting codes and logical operator equivalence in the special unitary group. Quantum hardware is noisy, and certain hardware combinations can be even more so. This technology...
Published: 6/29/2026
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Updated: 6/29/2026
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Inventor(s): Jack Owen Weinberg, Narayanan Rengaswamy
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Communications & Networking, Technology Classifications > Engineering & Physical Sciences > Quantum
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Multistage Rewinding Decoder for QLDPC Codes
This invention proposes a multistage decoding framework that leverages internal information from an underlying message-passing decoder. The decoder performs guided rewinds by selectively forcing the initial log likelihood ratio values of the most suspicious variable nodes and restarting the message-passing decoder under the corresponding forced configuration....
Published: 6/22/2026
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Updated: 6/22/2026
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Inventor(s): Milad Taghipour, Dimitris Chytas, Bane Vasic
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Quantum, Technology Classifications > Engineering & Physical Sciences > Electronics, Technology Classifications > Engineering & Physical Sciences > Communications & Networking
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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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Task-Oriented Efficient Measure of Reservoir Computing Power
This technology addresses gaps in existing reservoir computing technologies by establishing mathematical bounds on computational expressivity and analyzing factors such as reservoir dynamics, generalization capabilities, and limitations in temporal processing. The technique allows suitable reservoirs to be rapidly selected in order to build efficient...
Published: 3/2/2026
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Updated: 3/2/2026
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Inventor(s): Daniel Soh
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Quantum, Technology Classifications > Imaging & Optics > Data Storage, Technology Classifications > Imaging & Optics > Materials & Fabrication > Optical, EO & MO
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