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Wavelength Diversity based Low Probability to Intercept (LPI) Free-Space Optical Communications in Strong Turbulence Regime

This technology uses an encoded broadband source on two different center wavelengths on different balanced detectors simultaneously to provide low probability for intercept communications for Free Space Optical communications and defense applications. Experimental results demonstrated success using wavelength diversity together with LDPC coded modulation...

Published: 3/29/2024 | Inventor(s): Ivan Djordjevic, Vijay Nafria

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Angular Tuning of Axial Resonance in Periodic Grating Structures Design Strategy for Operating Multi-Channel CW or Mode-Locked Pulsed VECSELs

This invention can be used to develop tunable wavelength VECSEL/VCSEL/OPSL sources. This can also be used to tune absorption bands in periodic absorbers or any periodic media. This allows for engineering of tunability of a source. Furthermore, the adaptability of this invention permits the utilization of multiple wavelength ranges without needing to...

Published: 9/5/2023 | Inventor(s): Jerome Moloney, Simon Tsaoussis

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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: 4/3/2023 | 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

Quantum Receivers for Entanglement Assisted Communications and Sensing

Entanglement Assisted Communication (EACOMM) and quantum computing is the future for many different industries. The unique capabilities of being able to calculate some superposition of atoms between 0 and 1 is a huge asset for complex computing. While the channel capacity for EACOMM has been theoretically demonstrated, optimal quantum receivers have...

Published: 4/3/2023 | Inventor(s): Ivan Djordjevic

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SmartPrint Polymer Material and Design for the Connection of Separate Optical Chips

This technology is a further development of interconnect polymer waveguides for photonics packaging and integration. Here, a flexible optical substrate is attached and aligned to individual photonic chip components to form an optical waveguide. The waveguide comprises a refractive index contrast (RIC) polymer directly patterned using a photolithography...

Published: 3/12/2024 | Inventor(s): Linan Jiang, Dong-Chul Pyun, Robert Norwood, Tristan Kleine, Julie Frish, Thomas Koch, Stanley Pau, Roland Himmelhuber, Abhinav Nishant, Kyungjo Kim, Sasaan Showghi

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Ultrafast Optical Switches and Transistors

The inventors have demonstrated attosecond switching speed in a light field-induced phase transition of a dielectric system. This switching occurs under ambient conditions and provides for data encoding by synthesized laser pulses. This technology may be used for ultrafast optical-based switches and data transfer with petahertz speed and optical transistors....

Published: 3/12/2024 | Inventor(s): Mohammad Hassan, Dandan Hui, Husain Alqattan

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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: 3/12/2024 | Inventor(s): Mohammad Hassan, Husain Alqattan, Dandan Hui

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Highly Transmissive Infrared Polymer Micro Optical Lenses and Arrays

Polymeric microscale lenses, which are highly transmissive for infrared wavelengths, can be fabricated using photolithography. Arrays of lenses may be mass produced and incorporated into optical-electronic systems. Background: Conventionally, lenses for use in infrared imaging have been made from inorganic materials due to their superior optical properties...

Published: 3/12/2024 | Inventor(s): Dong-Chul Pyun, Robert Norwood, Abhinav Nishant, Tristan Kleine, Nicholas Lyons, Kyungjo Kim

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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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Reconfigurable Entanglement-Enhanced Microwave Photonic Sensors for Navigation, Imaging, and Communications

This technology uses multipartite entanglement to enhance the sensitivity of microwave photonic sensors. These photonic sensors are comprised of electro-optic modulators that convert the microwave signal into an electric field displacement at a sideband frequency. Measurements that are made by the sensor nodes use this multipartite entanglement to improve...

Published: 9/5/2023 | Inventor(s): Zheshen Zhang, Quntao Zhuang, William Clark

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

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