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Wavelength Division MUX/DEMUX Using On-Chip Sagnac Loop Based Fabry Perot Cavities

This invention relates to integrated photonic devices for wavelength division multiplexing (WDM). The architecture implements an array of Fabry-Perot cavities formed using Sagnac loop reflectors as mirrors. Each cavity is side-coupled to a waveguide that carries a broadband optical signal, which ultimately enables multi-channel WDM operation. Background:...

Published: 2/9/2026 | Inventor(s): Mohamed ElKabbash

Keywords(s):

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

Athermal On-Chip Cavities and Filters Using Sagnac Loop Reflectors

This invention replaces traditional Fabry-Perot mirrors with Sagnac loop reflectors where the reflections from the loop have a phase response that depends on both the waveguide index and loop radius. These are both temperature-dependent properties, meaning that by choosing the right loop size and waveguide geometry, the phase drift from the mirrors...

Published: 2/9/2026 | Inventor(s): Mohamed ElKabbash

Keywords(s):

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

Chip-Scale Digital Holographic Platform

This technology is a compact digital holography device using flat optics to achieve high-fidelity wavefront interference and lens-based object imaging. This design minimizes optical volume while improving system stability and enables the integration of digital holography into portable or embedded systems where space is at a premium. The system is modular...

Published: 1/26/2026 | Inventor(s): Florian Willomitzer, Muralidhar Madabhushi Balaji, Pengyu Liu

Keywords(s):

Category(s): Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Imaging & Optics > Medical Imaging, Technology Classifications > Imaging & Optics > Lens & System Design

Dual-Mode Micro-Coil Ising Machine Using Magnetic Nanoparticles

This invention is a hardware Ising machine that uses a micro-coil array and magnetic nanoparticles acting as binary spins. The micro-coils apply magnetic fields to program the spins of the magnetic nanoparticles and then act as sensors that measure the induced spins. When the magnetic nanoparticles interact through dipole-dipole interactions, they provide...

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

Keywords(s):

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

Interface Profilometry with Third Harmonic Generation Microscopy

This invention describes a method of third harmonic-generation (THG) multiphoton microscopy for interface profilometry with depth resolution at the nanometer scale. While the axial resolution of the system is on the scale of micrometers, this invention can precisely define the peak of a THG depth response curve, or how intensity varies as a function...

Published: 11/10/2025 | Inventor(s): Khanh Kieu

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Suspended Photonic Membrane Sensor with Resonance Modulation via Substrate-Proximal Coupling

This invention describes a novel photonic sensor based on a suspended membrane and a substrate that supports high-Q optical resonances sensitive to nanometer-scale membrane deflections. The technology exploits mechanically induced modulation of optical resonance conditions (such as guided-mode resonance, bound states in the continuum, and high contrast...

Published: 12/23/2025 | Inventor(s): Mohamed ElKabbash

Keywords(s):

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

Covert Free-Space Optical Communications with SLM-Based Beam Steering

This is a system for secure low probability of detection communications across a free-space optical (FSO) channel. The system utilizes an LED-based source which transmits signals with distributions that match the distribution of the background solar radiation, which hides the signals. The transmitted signals are modulated according to a phase-shift...

Published: 9/22/2025 | Inventor(s): Ivan Djordjevic, Ignacio Rojas

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

Systems and Methods for Producing Reconfigurable Non-Volatile Acoustic Devices

This innovation introduces a new class of fully reconfigurable, non-volatile acoustic devices that utilize phase change materials (PCMs) to create tunable patterns for controlling acoustic wave propagation. Unlike traditional acoustic components, which are fixed in function due to static material properties, this technology enables endless reconfiguration...

Published: 8/25/2025 | Inventor(s): Pierre Lucas, Pierre Deymier

Keywords(s):

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

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

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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

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