Available Technologies
# of Displayed Technologies: 9 / 9
Applied Category Filter (Click To Remove): Photonics/Optics
Substrates for vertical power devices
TS-062951 — The Need
In today's fast-paced technological landscape, there is an ever-growing demand for high-performance vertical power devices with enhanced breakdown voltage capabilities, exceeding 20 kV. Meeting this commercial need requires an innovative approach to semiconductor drift layer developmen…
- College: College of Engineering (COE)
- Inventors: Zhao, Hongping; Bhuiyan, A F M Anhar Uddin; Meng, Lingyu
- Licensing Officer: Randhawa, Davinder
GaAsSb-AlGaAsSb Heterostructure Avalanche Photodiode
TS-062893 — A room temperature, ultra-high gain (M=278, λ=1550 nm, V=69.5 V, T=296 K) linear mode avalanche photodiode (APD) on an InP substrate using a GaAs0.5Sb0.5/Al0.85Ga0.15As0.56Sb0.44 separate absorption charge and multiplication (SACM) heterostructure.
An APD is a semiconductor-based analog of the photomultiplier. APDs exploit the impact ionization phenomenon and transform infrared (IR) light (l > 850 nm) into photocurrent. APDs have wide applicability; however, existing APDs have insufficient sensitivity and relatively high excess noise and …
- College: College of Engineering (COE)
- Inventors: Krishna, Sanjay; Jung, Hyemin; Lee, Seunghyun
- Licensing Officer: Randhawa, Davinder
Lateral Interband Type-II Engineered (LITE) Detector
TS-062847 —
Avalanche photodiodes (APDs) that target a wavelength of 1550 nm have several applications ranging from optical communications to imaging to single photon detection. There is increasing interest in APDs for longer wavelengths. A distinctive feature of an APD is high sensitivity due to the gain ach…
- College: College of Engineering (COE)
- Inventors: Krishna, Sanjay; Kodati, Sri Harsha; Lee, Seunghyun; Ronningen, TJ
- Licensing Officer: Randhawa, Davinder
High Efficiency LED Designs Using Quantum Well Engineering
TS-057127 — Achieving high efficiency LEDs with green, amber and longer wavelengths using III-nitride/II-IV-nitride heterostructures as the active media.
Although extensive research and development over the past two decades has resulted in close to 100% external quantum efficiency (EQE) of InGaN based blue light emitting devices, efficiency of the longer visible wavelength emitting devices has remained relatively low. Spontaneous polarization origi…
- College: College of Engineering (COE)
- Inventors: Zhao, Hongping; Zhang, Kaitian
- Licensing Officer: Randhawa, Davinder
An Optical Fiber-Based Gamma Thermometer with Simple Design and Potential for Adjustable Axial Segmentation
TS-050215 — This invention proposes that an Optical Fiber-Based Gamma-Ray Calorimeter (OFBGC) sensor array can be designed, which does not require the distinct metallic thermal masses that are a part of the Optical Fiber-Based Gamma Thermometer (OFBGT).
As the world continues to grow and industrialize, the need for safe and efficient power is paramount. Currently, in nuclear fission reactors, there are Local Power Range Monitors (LPRM). They are ion chambers that contain fissile material. The electric current between their anode and cathode is mo…
- College: College of Engineering (COE)
- Inventors: Blue, Thomas; Birri, Anthony "Tony"
- Licensing Officer: Randhawa, Davinder
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: Randhawa, Davinder
Sapphire Optical Fiber with Internal Cladding
TS-029242 — A method for enhancing the transmission capabilities of sapphire optical fiber for use in extreme environments.
Optical fibers are lightweight, small in diameter, and immune to electromagnetic interference. Signal attenuation over great distances is minimal and there is a high potential for large bandwidth data transfer. These qualities make optical fiber-based sensors an ideal candidate for measurements wh…
- College: College of Engineering (COE)
- Inventors: Blue, Thomas; Wilson, Brandon
- Licensing Officer: Randhawa, Davinder
Simulcure Technique - Fabrication and Preparation of Structural Composites
TS-014977 — A fabrication technique to prepare a composite structure with sensor elements distributed in 3-D space for visualizing stress distribution.
Trends in home automation, wearable electronics, and autonomous vehicles have created networked ecosystems, in which computers coexist and play a critical role. In these ecosystems, sensors provide necessary inputs to monitor the environment and take situation-specific action. Currently, sensors a…
- College: College of Engineering (COE)
- Inventors: Sundaresan, Vishnu Baba
- Licensing Officer: Randhawa, Davinder
Stretchable and Flexible E-Fiber Wire Antennas
TS-014971 — A new process to fabricate stretchable and flexible wire antennas with conductive fibers (E-fibers)
Current processes to manufacture flexible, mechanically durable antennas on E-fibers yield non-stretchable prototypes and lack fine print details. The geometric accuracy of printed antennas is less than 1 mm, and the devices are prone to failure due to fatigue and wear from deformation. The antenn…
- College: College of Engineering (COE)
- Inventors: Volakis, John; Kiourti, Asimina
- Licensing Officer: Randhawa, Davinder
