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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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XUV Photonic Integrated Circuits with Vacuum Guiding
This invention is a novel approach to developing photonic integrated circuits operating in extreme ultraviolet wavelength (XUV) range. This technology enables the fabrication of XUV components, including waveguides, photonic crystal cavities, or resonators while using vacuum as the guiding medium.
Background:
Currently, there is a critical challenge...
Published: 8/6/2025
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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, Technology Classifications > Imaging & Optics > Materials & Fabrication
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Programmable Diffractive Photonic Computing Using Pixel-Level Post-Processing for Adaptive Data Classification
This invention provides a programmable diffractive photonic computing system that uses a single diffractive surface in combination with a Complementary Metal-Oxide-Semiconductor (CMOS) pixel array for data processing and classification. Unlike traditional systems requiring spatial light modulators or multiple diffractive planes, programmability is achieved...
Published: 8/4/2025
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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, Technology Classifications > Imaging & Optics > Materials & Fabrication
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High Speed Amplitude-Based Liquid Crystal SLM
This invention pertains to a high-speed optical modulation device, specifically a liquid-crystal-on-silicon (LCoS) amplitude modulator using a thin nematic liquid crystal (LC) layer for ultra-fast switching. The modulator improves the manufacturability of high-speed optical devices, enabling applications such as chip-based camera arrays at a potentially...
Published: 7/2/2025
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Inventor(s): Mohamed ElKabbash
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Lens & System Design, Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Engineering & Physical Sciences > Photonics
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Semiconductor-Piezoelectric Device With Low Self-Heating
This invention introduces a semiconductor-piezoelectric device designed to minimize self-heating while amplifying phonons efficiently. This technology tackles a major challenge in computer chips: overheating. By applying a special coating made from a thin layer of aluminum scandium nitride on a very thermally conductive base, it significantly improves...
Published: 7/2/2025
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Inventor(s): Matthew Eichenfield
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > MEMS & Nanotechnology, Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Imaging & Optics > Materials & Fabrication
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Athermal Integrated Optic Device
The invention is an athermal waveguide device that helps counter the effects of parasitic, systematic, or environmental heat effects to improve optical device performance. The invention uses new combinations of materials that achieves the passive athermal performance of a silicon-based waveguide filter and also meets the very compact dimensions required...
Published: 7/2/2025
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Inventor(s): Amanda Chatterton, Robert Norwood
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Imaging & Optics > Fiber Optics, Technology Classifications > Imaging & Optics > Telecommunications > Electro-Optic Devices, Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Imaging & Optics > Lens & System Design
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Integrated Diffractive-CMOS Optical Processor with In-situ Alignment and Reconfigurability
This invention is an integrated optical processor with diffractive elements through a CMOS chip. This technology addresses challenges associated with deploying free-space optical processors, such as diffractive networks, at optical wavelengths by integrating diffractive elements into the back end of the line of a CMOS chip. Leveraging the advanced fabrication...
Published: 7/2/2025
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Inventor(s): Mohamed ElKabbash
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Engineering & Physical Sciences > Semiconductors
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Novel Approach to Minimize Unmodulated Light in Spatial Light Modulation
This invention is a novel approach to address the problem of unmodulated reflections in spatial light modulators (SLMs) that incorporates a perfect omnidirectional light absorber in the non-electrode areas of the SLM. The absorber is designed to be effective over a wide wavelength range, ensuring that any light incident on these regions is absorbed...
Published: 7/2/2025
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Inventor(s): Mohamed ElKabbash
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Imaging & Optics > Materials & Fabrication
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High-Speed Spatial Light Modulators Using Cascading Partial Phase Accumulation
This invention is a novel method to enhance the speed of spatial light monitors (SLMs), particularly for liquid crystal on silicon (LCoS) SLMs. The technology realizes SLMs that can increase the speed of liquid crystal SLMs by at least 2 orders of magnitude with little change on how these devices are made, and can be used to create future SLMs with...
Published: 7/2/2025
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Inventor(s): Mohamed ElKabbash, Justin Murante
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Imaging & Optics > Materials & Fabrication
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High-Density Photonic Memory Through Multi-Layer Phase-Change Materials and Modal Interactions
This invention aims to advance the field of integrated photonic memory by introducing a high-density, multilayer storage approach. Utilizing phase-change materials (PCMs) as the active elements, the innovation leverages the unique near-field coupling profiles of different optical modes supported by a waveguide. Specifically, higher-order modes are used...
Published: 7/2/2025
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Inventor(s): Mohamed ElKabbash
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Lens & System Design, Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Engineering & Physical Sciences > Photonics
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