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High-Sensitivity Acoustic Sensing via Free-Space Coupled Microtoroid Resonators

This technology introduces a high-sensitivity acoustic sensing system based on a microtoroid resonator paired with a free-space optical coupling setup. Sound waves in the environment create tiny vibrations that shift the resonator’s frequency, allowing even subtle acoustic signals to be picked up with great precision. Unlike traditional sensor...

Published: 8/11/2025 | Inventor(s): Tsu-Te Su, Sartanee Suebka

Keywords(s):

Category(s): Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Imaging & Optics > Sensors and Detection, Technology Classifications > Imaging & Optics > Sensors and Detection > Remote Sensing

Backsurface Treatment of Optical Substrates for Improved Thermal Conductivity and Dynamic Survival

This invention is an adhesive that is applied to the back of optical substrate mirrors such as the ones used in aerospace applications. The adhesive when applied, it provides acoustic dampening and uniform dissipation of heat, thus protecting the optical component from stress and heating. This is particularly innovative for aerospace applications where...

Published: 8/7/2025 | Inventor(s): Ewan Douglas, Oscar Montoya, Lori Harrison

Keywords(s):

Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Sensors and Detection, Technology Classifications > Imaging & Optics > Optical Fab / Metrology, Technology Classifications > Imaging & Optics > Lens & System Design, Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Materials > Coatings, Technology Classifications > Materials > Chemicals

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 | 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

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 | 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

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 | Inventor(s): Mohamed ElKabbash

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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

Keywords(s):

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

Keywords(s):

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

Keywords(s):

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

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