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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: 1/12/2024   |   Inventor(s): Ivan Djordjevic, Vijay Nafria
Keywords(s):  
Category(s): Technology Classifications > Engineering & Physical Sciences > Communications & Networking > Optical, Technology Classifications > Engineering & Physical Sciences > Communications & Networking, Technology Classifications > Engineering & Physical Sciences > Photonics
Entanglement Assisted Sensing and Radars with the Phase-Conjugation on Idler Photons
This innovation is a concept suitable for various quantum sensing and radar applications. The proposed entanglement generation source and optical-phase conjugation modules are of low-cost and easy to integrate in photonic integrated circuit (PIC) technology. These quantum sensing modules and architectures are suitable for use in entanglement assisted...
Published: 1/12/2024   |   Inventor(s): Ivan Djordjevic, Vijay Nafria
Keywords(s):  
Category(s): Technology Classifications > Engineering & Physical Sciences > Communications & Networking, Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Engineering & Physical Sciences > Quantum
Incoherent Light Sources-Based Low Probability of Detection and Covert Radars over Atmospheric Turbulence Channels
This technology is a low probability of detection (LPD) /covert radar concept that employs incoherent, broadband light sources. The main idea is to hide the radar signal in solar radiation while employing constant amplitude modulation schemes at high-speed to detect the presence of the target via cross-correlation method. The technology has been tested...
Published: 12/14/2023   |   Inventor(s): Ivan Djordjevic, Vijay Nafria
Keywords(s):  
Category(s): Technology Classifications > Engineering & Physical Sciences > Communications & Networking, Technology Classifications > Engineering & Physical Sciences > Photonics
AI-Based Synthetic Generation of Radio-Frequency Maps in Wireless Communication Systems
This technology is a novel, cost-effective method which creates radiofrequency (RF) maps used in wireless communication. The improvement is that this technology can use previous RF maps as inputs and with the help of sophisticated artificial intelligence, produce new areas or new capabilities with the requirement of significant field measurements. This...
Published: 12/14/2023   |   Inventor(s): Marwan Krunz, Mohammad Hossein Manshaei, Sopan Sarkar
Keywords(s):  
Category(s): Technology Classifications > Engineering & Physical Sciences > Communications & Networking > Networking, Technology Classifications > Engineering & Physical Sciences > Communications & Networking
Probabilistically Coded Modulation Formats for 5G Mobile Fronthaul Networks
The invention proposes a three-level probabilistically coded pulse amplitude modulation (PAM-3), and a five-point quadrature amplitude modulation (QAM-5) schemes in hybrid mobile fronthaul (MFH) networks that support both direct and coherent detection. Background: The emergence of the next generation of cellular networks (5G) can support disruptive...
Published: 12/12/2023   |   Inventor(s): Mingwei Yang, Houman Rastegarfar, Ivan Djordjevic
Keywords(s):  
Category(s): Technology Classifications > Engineering & Physical Sciences > Communications & Networking, Technology Classifications > Engineering & Physical Sciences > Communications & Networking > Wireless, Technology Classifications > Engineering & Physical Sciences > Communications & Networking > Networking
Error Correction System and Method
des a significant improvement in speed, storage space and array failure rate required for encoding and decoding double-parity systems (e.g. RAID-6) to provide fault tolerance. Applications include data storage such as disk drives as well as data transmission systems. Matlab code based on the use of quintuple parity has been created and demonstrated...
Published: 11/16/2023   |   Inventor(s): Marek Rychlik, Mohamad Moussa
Keywords(s):  
Category(s): Technology Classifications > Engineering & Physical Sciences > Electronics > Data Storage, Technology Classifications > Engineering & Physical Sciences > Communications & Networking
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
Keywords(s):  
Category(s): Technology Classifications > Engineering & Physical Sciences > Communications & Networking > Optical, Technology Classifications > Engineering & Physical Sciences > Communications & Networking, Technology Classifications > Imaging & Optics > Lasers & Other Sources
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
Method and System for Optical Transmission and Crosstalk Reduction in LIDAR using Polarized Light
This invention has been developed to enhance encoding methods for information transmission and to reduce crosstalk in LiDAR applications by utilizing polarized light. Instead of using binary encoding methods such as frequency resolved optical gating and on-off keying, this invention encodes vital information into the polarization state of the light...
Published: 11/13/2023   |   Inventor(s): Stanley Pau
Keywords(s):  
Category(s): Technology Classifications > Imaging & Optics > Microscopy, Spectroscopy, Polarimetry, Technology Classifications > Engineering & Physical Sciences > Communications & Networking
Large Balloon Reflector for Remote Sensing
This technology is a suborbital antenna system that is suitable for operation from radio to millimeter wavelengths. The technology can be used for remote sensing of objects on the ground, in the atmosphere or in space. Super pressure balloons will be used to transport the technology and to maintain payloads of 2-3 tons in near space. Background: Remote...
Published: 11/29/2023   |   Inventor(s): Christopher Walker
Keywords(s):  
Category(s): Technology Classifications > Engineering & Physical Sciences > Aerospace Engineering, Technology Classifications > Engineering & Physical Sciences > Communications & Networking
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