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Two-Pumps-Based Entanglement Generation Source Enabling Entanglement-Assisted Communication over Turbulent Free-Space Optical (FSO) Channels

This technology improves Quantum Entangled Free Space Optical Communication by employing two laser pumps and modulating on the signal photons, while employing the idler photons as the reference signal. The use of two pumps gives the flexibility of generating the signal photons at arbitrary wavelength in C- and L-bands, which is not possible with the...

Published: 9/30/2024 | Inventor(s): Ivan Djordjevic, Vijay Nafria

Keywords(s):

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

Hybrid SESAM Output Coupler

A novel hybrid semiconductor saturable absorber mirror (SESAM)/dielectric output coupler has been developed and employed to demonstrate a mode locked vertical-external-cavity surface-emitting lasers (VECSEL). The hybrid SESAM enables a greatly simplified optical layout for developing short pulse laser sources utilizing semiconductor based VECSELs. Background:...

Published: 9/5/2023 | Inventor(s): Ronald Jones, Jerome Moloney, Ricky Gibson, Sadhvikas Addamane, Garrett Cole

Keywords(s):

Category(s): Technology Classifications > Imaging & Optics > Lasers & Other Sources, Technology Classifications > Engineering & Physical Sciences > Communications & Networking, Technology Classifications > Imaging & Optics > Telecommunications, Technology Classifications > Imaging & Optics > Displays

Versatile Space Telescope for Quantum Key Distribution

The Versatile CubeSat Telescope (VCT) is a CubeSat-enabled telescope design with an increased aperture and decreased divergence over state-of-the-art systems. It also provides thermal stability, which enhances the signal-to-noise ratio, reduces the error rate, and improves performance. Finally, it can preserve the polarization of received signals to...

Published: 6/20/2024 | Inventor(s): Ewan Douglas, Daewook Kim

Keywords(s):

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

Receiver Design for Entanglement-Assisted Classical Communication

This technology is a new type of receiver for entanglement-assisted classical communication, that is ideal for applications with noise or weak signal strength, and improves communication rates over existing solutions. Background: Entanglement-assisted classical communication describes the process by which the properties of quantum entanglement (such...

Published: 11/19/2024 | Inventor(s): Saikat Guha, Ali Cox, Quntao Zhuang, Christos Gagatsos, Boulat Bash

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Category(s): Technology Classifications > Imaging & Optics > Telecommunications, Technology Classifications > Imaging & Optics > Telecommunications > Electro-Optic Devices, Technology Classifications > Engineering & Physical Sciences > Communications & Networking > Optical, Technology Classifications > Engineering & Physical Sciences > Communications & Networking > Wireless

Software Code for Modified Prime Code Family for Optical CDMA

Researchers at the University of Arizona have developed a novel spreading/address code family for high-speed, large-capacity wired/wireless or optical communications. The novel "transposed modified prime codes" (T-MPC) have specific correlation properties and flexible code size, length and weight. This code family is comparable to existing...

Published: 4/3/2023 | Inventor(s): Franko Kueppers, Mohammad Karbassian

Keywords(s):

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

Optical Printed Circuit Board with Polymer Array Switch

Researchers at the University of Arizona have developed a flexible polymer waveguide array structure that serves as a stitch or jumper on an optical printed circuit board (OPCB). The flexible polymer waveguide array structure can be attached to the OPCB so that it can provide a chip-to-OPCB optical connection. Using an array of small polymer waveguides...

Published: 4/3/2023 | Inventor(s): Thomas Koch, Robert Norwood, Stanley Pau, Nasser Peyghambarian

Keywords(s):

Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Materials & Fabrication > Optical, EO & MO, Technology Classifications > Imaging & Optics > Telecommunications, Technology Classifications > Imaging & Optics > Telecommunications > Electro-Optic Devices

Polarization State Scrambler Using Birefringent Phase Mask

A University of Arizona researcher has designed a device to efficiently convert partially polarized and polarized light into light having randomly distributed polarizations, or more generally, into output light having a plurality of polarizations. The passive device provides almost instantaneous conversion of polarization, as opposed to the current...

Published: 4/3/2023 | Inventor(s): Stanley Pau

Keywords(s):

Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Telecommunications, Technology Classifications > Imaging & Optics > Materials & Fabrication > Optical, EO & MO

High-Throughput Manufacturing for PIC Polymer Waveguide Connection Fabrics

This invention is a low-cost high-throughput method of connecting silicon photonic chips to one another. The method is active and robust, taking into account the tolerances and variations of the PIC configurations. It is also rapid, accurate, immune to large dimensional variation, and amenable to rework. Background: Photonic integrated circuits (PICs)...

Published: 4/3/2023 | Inventor(s): Thomas Koch, Robert Norwood, Stanley Pau, Nasser Peyghambarian

Keywords(s):

Category(s): Technology Classifications > Imaging & Optics > Telecommunications

All-Optical Laser Field Sampling

This technology is a system and method configured for measurement of an electronic delay response of a dielectric system triggered by a strong driving optical field of sub-femto-second pulses. The produced electronic response demonstrates all-optical light field sampling operating with sub femto / attosecond resolution. This invention demonstrates...

Published: 9/27/2024 | Inventor(s): Mohammed Hassan, Husain Alqattan, Dandan Hui

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Refractive Index Contrast Polymer Photonics Interconnects and Waveguides for Packaging and Integration

This invention represents a new chemical composition of photoresponsive, polymer photoresists, where the refractive index of the polymer can be modulated via UV radiation to facilitate the arbitrary writing of optical waveguides and other photonic devices in the material. The material can be spun on to any substrate or existing photonic device architecture...

Published: 3/12/2024 | Inventor(s): Dong-Chul Pyun, Robert Norwood, Julie Frish, Tristan Kleine

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