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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: 12/8/2025 | 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

Radiation-Hardened Nanophotonic Thermal Emitters with Spectral and Angular Selectivity for Spaceborne Radiative Cooling

This technology introduces a radiation-hardened nanophotonic surface engineered for high-efficiency radiative cooling in low Earth orbit (LEO). The metasurface employs angular and spectral selectivity to maximize emission toward deep space while minimizing absorption of sunlight and planetary infrared radiation. Constructed from refractory and ceramic...

Published: 12/8/2025 | Inventor(s): Mohamed ElKabbash

Keywords(s):

Category(s): Technology Classifications > Engineering & Physical Sciences > Aerospace Engineering, Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Engineering & Physical Sciences > Semiconductors, Technology Classifications > Engineering & Physical Sciences > Quantum, Technology Classifications > Imaging & Optics > Data Storage, Technology Classifications > Engineering & Physical Sciences > MEMS & Nanotechnology

Passive Radiative Cooling System for Enabling Superconducting Electronics and Interconnects in Space-Based Computing and Communication Systems

This invention presents a passive thermal management system designed to sustain superconducting electronics and interconnects in orbit without the need for active refrigeration. The system employs a large, space-facing radiative shield to cool a circulating working fluid to cryogenic temperatures. The cooled fluid maintains superconducting components...

Published: 12/8/2025 | Inventor(s): Mohamed ElKabbash

Keywords(s):

Category(s): Technology Classifications > Engineering & Physical Sciences > Communications & Networking, Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Engineering & Physical Sciences > Semiconductors, Technology Classifications > Engineering & Physical Sciences > Quantum, Technology Classifications > Imaging & Optics > Data Storage, Technology Classifications > Engineering & Physical Sciences > Aerospace Engineering

Integrated Photonic Encoding Systems and Methods for High Speed and Low Power Image Processing

The photonic processing system described in this invention is able to perform large-scale matrix multiplication in an energy-efficient manner with the encoding matrix being designed such that encoded data can be decoded with high-fidelity for post-processing, such as reconstructing compressed images and image conditioning applications. In addition,...

Published: 7/2/2025 | Inventor(s): David Brady

Keywords(s):

Category(s): Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Imaging & Optics > Data Storage, Technology Classifications > Imaging & Optics > Materials & Fabrication > Optical, EO & MO

Dense Optical Storage Media with Angular-Selective Thin Film Coatings

The invention is an improved optical storage media system designed to increase storage capacity on optical media, such as compact discs. This system encodes data by varying the width of pits on the disc, allowing each pit to represent multiple bits of information. By exploiting the diffraction properties of light, this technology employs angular-selective...

Published: 8/5/2024 | Inventor(s): Mohamed ElKabbash

Keywords(s):

Optical Compensation of Mechanical Effects for Holographic Digital Data Storage System

University of Arizona researchers have invented a Holographic Digital Data Storage System (HDSS) that employs optical components to compensate for mechanical instability. This invention calculates errors introduced during the recording process, then compensates for those errors during the reading process. Background: Holographic Data Storage Systems...

Published: 4/3/2023 | Inventor(s): Yuzuru Takashima, Kenichi Shimada

Keywords(s): high density recording, holographic data storage, optical compensation, signal to noise ratio, vibration

Category(s): Technology Classifications > Imaging & Optics > Data Storage, Technology Classifications > Imaging & Optics

Wavelength Diversity Detection for Holographic Data Storage System

The technology is a method to reduce noise in third generation technology optical discs that record up to 8TB of information. A technique responsible for the increase in the signal-to-noise ratio uses a wide spectrum laser to sense noise and respond in a way that enhances the signal. Background: Optical discs can only hold so much information before...

Published: 4/3/2023 | Inventor(s): Yuzuru Takashima, Yusuke Nakamura

Keywords(s):

Category(s): Technology Classifications > Imaging & Optics > Data Storage, Technology Classifications > Imaging & Optics > Lasers & Other Sources, Technology Classifications > Imaging & Optics > Sensors and Detection

Implementing Multiplication And Division In Optics

This invention is an all-optical approach to implementing mathematical operations on a circuit board in a computer. It uses the non-linear response to light of certain types of thin film materials in a novel approach to multiply & divide numbers in an all-optical mathematical circuit. The approach is an analogue method which implies a constant time...

Published: 4/3/2023 | Inventor(s): Masoud Babaeian, Nasser Peyghambarian, Robert Norwood, Mark Neifeld, Pierre Blanche

Keywords(s):

Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Data Storage