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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 | Inventor(s): Mohamed ElKabbash

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Category(s): Technology Classifications > Imaging & Optics > Lens & System Design, Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Engineering & Physical Sciences > Photonics

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 | Inventor(s): Matthew Eichenfield

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Category(s): Technology Classifications > Engineering & Physical Sciences > MEMS & Nanotechnology, Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Imaging & Optics > Materials & Fabrication

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 | Inventor(s): Amanda Chatterton, Robert Norwood

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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

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 | Inventor(s): Mohamed ElKabbash

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Category(s): Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Engineering & Physical Sciences > Semiconductors

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 | Inventor(s): Mohamed ElKabbash

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Category(s): Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Imaging & Optics > Materials & Fabrication

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 | Inventor(s): Mohamed ElKabbash, Justin Murante

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Category(s): Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Imaging & Optics > Materials & Fabrication

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 | Inventor(s): Mohamed ElKabbash

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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

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

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 | Inventor(s): Mohamed ElKabbash

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Category(s): Technology Classifications > Imaging & Optics > Telecommunications, Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Engineering & Physical Sciences > Quantum

Capturing Nano- and Micro-Objects in Predesignated Sites using Suspended Membranes

This invention introduces a novel method for capturing and positioning nano- and micro-scale objects at predetermined locations using suspended membranes. The technology leverages precisely engineered membrane structures to facilitate the controlled trapping of particles without requiring complex optical or mechanical manipulation techniques. This technique...

Published: 6/30/2025 | Inventor(s): Mohamed ElKabbash, James McGrath, Greg Madejski

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Category(s): Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Engineering & Physical Sciences > Quantum, Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Engineering & Physical Sciences > MEMS & Nanotechnology

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