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3D subwavelength photonic detector coupled with dielectric resonator antenna
TS-047335 — New IR detector combining a dielectric resonator antenna (DRA) with a semiconductor absorber for improved signal, noise, and speed performance
The three essential characteristics of detectors are signal, noise, and speed. There are inherent trade-offs in these three figures of merit and various applications emphasize one or more characteristics. The primary limitation for infrared detectors and imagers is the limit on the achievable sign…
  • College: College of Engineering (COE)
  • Inventors: Krishna, Sanjay; Ball, Christopher; Grbic, Anthony; Kazemi, Alireza; Ranjbar, Amin; Ronningen, Theodore; Shu, Qingyuan
  • Licensing Officer: Hong, Dongsung

Fast and Efficient Cross Band Wireless Channel Prediction Using Machine Learning
TS-047296 — A neural network that utilizes a simple and efficient single antenna optimization framework
Systems that use different frequency bands for uplink and downlink communication often need feedback between the clients to exchange band-specific channel information. The current state-of-the-art approach predicts the downlink channel based on the uplink channel by identifying certain variables u…
  • College: College of Engineering (COE)
  • Inventors: Srinivasan, Kannan; Bakshi, Arjun; Parthasarathy, Srinivasan
  • Licensing Officer: Hong, Dongsung

Quantum Well Design for Red-Emitting InGaN LEDs
TS-042441 — The quantum well design is incorporated within a red-emitting InGaN QW LED, an LED type that usually cannot efficiently emit wavelengths larger than blue/green. The LED can be incorporated into a same-material RGB platform for white LEDs, because the well design increases efficiency and decreases indium composition compared to similar wavelength InGaN LEDs.
Blue-emitting InGaN quantum well (QW) LEDs now have 69% external quantum efficiency, but increasing the emitted-wavelength decreases the efficiency significantly. The inversion asymmetry of the InGaN lattice increases the induced strain, which in turn increases the piezoelectric effect. Charge bui…
  • College: College of Engineering (COE)
  • Inventors: Zhao, Hongping; Karim, Md Rezaul
  • Licensing Officer: Hong, Dongsung

Field Effect Transistor for High Power Millimeter-Wave Applications
TS-042088 — Transistor structure with high breakdown voltage at high frequency operation
A new generation of high throughput, efficient communication networks and sensors can be enabled through the use of millimeter scale wave regimes. However, current semiconductor materials (such as AlGaN/GaN) have a reduction in breakdown voltage as operating frequency increases, which leads to low…
  • College: College of Engineering (COE)
  • Inventors: Rajan, Siddharth; Wang, Caiyu; Xia, Zhanbo
  • Licensing Officer: Hong, Dongsung

Method for Connectorizing Superconducting NbTi Coaxial Cables
TS-040418 — A fast and inexpensive electroplating technique for producing a connector attachment matching the structural and electrical properties of standard coaxial cables for cryogenic applications.
Experiments performed at cryogenic temperatures much below the 4.2 K of liquid helium frequently require superconducting coaxial cables to efficiently transmit high frequency signals while minimizing heat transfer to the experiment’s cold stage. These cables are most often made of niobium-ti…
  • College: College of Arts & Sciences
  • Inventors: DeBry, Kyle; Lafyatis, Gregory
  • Licensing Officer: Hong, Dongsung

Referenceless and Frequency Independent Radio Reciever
TS-037378 — A radio receiver that operates without the need for locally generated reference signals.
A radio frequency signal may typically consist of a single frequency carrier signal, modulated with some information signal. The purpose of a receiver is to extract the information signal from the carrier. This is commonly accomplished by mixing the received signal with one or more local reference…
  • College: College of Engineering (COE)
  • Inventors: Novak, Markus; Bojja venkatakrishnan, Satheesh; Volakis, John
  • Licensing Officer: Hong, Dongsung

UWB Multi-Antenna with High Isolation for Indoor Mobile Communication Systems
TS-015305 — An indoor base station system of multiple transmit and receive antennas with ultra-wide-band performance that covers LTE, GSM, PCS, and WiFi bands.
Ultra-wide-band (UWB) technology combined with multiple transmit and receive antennas can provide high data rates for indoor communications. However, designing multi-antenna systems with UWB performance is challenging because a sizable level of isolation between antennas is required to achieve eff…
  • College: College of Engineering (COE)
  • Inventors: Chen, Chi-Chih; Volakis, John; Yetisir, Ersin
  • Licensing Officer: Hong, Dongsung

Enhanced Tapered Chamber Measurement Range
TS-015152 — A novel tapered chamber design that allows for easy polarization change, test zones clean of stray signals, and a thinner back wall absorber
The original tapered chamber was developed to reduce stray signals normally associated with a more traditional rectangular chamber. In a tapered chamber, a feed antenna is placed at the throat of a tapered section. This chamber design had several problems: the original concept could not satisfy bo…
  • College: College of Engineering (COE)
  • Inventors: Burnside, Walter; Essman, Stephen; Theunissen, Wilhelmus (Willie); Walton, Eric
  • Licensing Officer: Hong, Dongsung

Reflective Panel for Wireless Applications
TS-015134 — A reflective panel for reflecting electromagnetic waves comprised of a material with varying resistivity across the panel
Wireless systems are linked together through an electromagnetic field that propagates from the transmitter to the receiver, and as a result engineers must be concerned with the transmitting and receiving antennas and the propogation path to improve service. Modern wireless systems have been develo…
  • College: College of Engineering (COE)
  • Inventors: Burnside, Walter; Chuang, Chiwei; Steinberger, David
  • Licensing Officer: Hong, Dongsung

Wireless Sensor for Use in Multipath Clutter
TS-015091 — A wireless sensor and data transponder for use in severe multipath varying propagation environments
It is often necessary to measure physical properties, such as temperature, strain, pressure, etc, using wireless communication between sensors and the master system. Practical constraints on sensor placement, weight, size, temperature, and lifetime requirements have led engineers to design small, …
  • College: College of Engineering (COE)
  • Inventors: Walton, Eric; Bayram, Yakup; Bruce, Gary; Crowe, Doug; Gemeny, Steve; Montgomery, Bruce; Tuncay, Orbay
  • Licensing Officer: Hong, Dongsung

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