Search Results - "Withers, Nathan J."
-
1
Antibacterial activity of iron oxide, iron nitride, and tobramycin conjugated nanoparticles against Pseudomonas aeruginosa biofilms
Published in Journal of nanobiotechnology (18-02-2020)“…Novel methods are necessary to reduce morbidity and mortality of patients suffering from infections with Pseudomonas aeruginosa. Being the most common…”
Get full text
Journal Article -
2
Energy-Efficient Neuromorphic Architectures for Nuclear Radiation Detection Applications
Published in Sensors (Basel, Switzerland) (27-03-2024)“…A comprehensive analysis and simulation of two memristor-based neuromorphic architectures for nuclear radiation detection is presented. Both scalable…”
Get full text
Journal Article -
3
Iron Oxide Nanocrystals for Magnetic Hyperthermia Applications
Published in Nanomaterials (Basel, Switzerland) (07-05-2012)“…Magnetic nanocrystals have been investigated extensively in the past several years for several potential applications, such as information technology, MRI…”
Get full text
Journal Article -
4
Dry etching of epitaxial InGaAs/InAlAs/InAlGaAs structures for fabrication of photonic integrated circuits
Published in Optical materials express (01-02-2024)“…A dry etching process to transfer the pattern of a photonic integrated circuit design for high-speed laser communications is described. The laser stack under…”
Get full text
Journal Article -
5
Silicon Quantum Photonic Integrated Circuits Comprising Superconducting Nanostripe Single-Photon Detectors
Published in 2021 IEEE Research and Applications of Photonics in Defense Conference (RAPID) (01-08-2021)“…We report on design, fabrication, and characterization of silicon quantum photonic integrated circuits comprising superconducting nanostripe single-photon…”
Get full text
Conference Proceeding -
6
Luminescence thermometry for detection of optical cooling from colloidal quantum dots embedded in dielectric waveguides
Published in 2021 IEEE Research and Applications of Photonics in Defense Conference (RAPID) (01-08-2021)“…We have developed a novel method of pump-probe luminescence thermometry based on the detection of photoluminescence signal phase change versus power of the…”
Get full text
Conference Proceeding -
7
Strongly Injection-Locked Whistle-Geometry Microring Lasers for Optical Communications at 100 GHz and Beyond
Published in 2019 IEEE Photonics Society Summer Topical Meeting Series (SUM) (01-07-2019)“…Large-signal analog modulation of strongly injection-locked single and cascaded whistle-geometry semiconductor ring lasers is analyzed. Advantages of strong…”
Get full text
Conference Proceeding -
8
Highly unidirectional Y-junction-coupled S-section quantum-dot ring lasers
Published in Applied physics letters (05-12-2011)“…Fabrication and characterization of Y-junction-coupled S-section InAs/InGaAs/GaAs quantum-dot ring lasers with high unidirectionality is reported. Stable…”
Get full text
Journal Article -
9
Rapid degradation of CdSe∕ZnS colloidal quantum dots exposed to gamma irradiation
Published in Applied physics letters (27-10-2008)“…Effects of Cs137 gamma irradiation on photoluminescent properties of CdSe∕ZnS colloidal quantum dots are reported. Optical degradation is evaluated by tracking…”
Get full text
Journal Article -
10
Rapid degradation of Cd Se ∕ Zn S colloidal quantum dots exposedto gamma irradiation
Published in Applied physics letters (28-10-2008)“…Effects of Cs 137 gamma irradiation on photoluminescent properties of Cd Se ∕ Zn S colloidal quantum dots are reported. Optical degradation is evaluated by…”
Get full text
Journal Article -
11
Highly unidirectional Y-junction-coupled S-section InAs/InGaAs/GaAs quantum-dot ring lasers
Published in 2008 IEEE 21st International Semiconductor Laser Conference (01-09-2008)“…Fabrication and characterization of Y-junction-coupled S-section InAs/InGaAs/GaAs quantum-dot ring lasers with low threshold current density and high…”
Get full text
Conference Proceeding -
12
2-μm InGaSb/AlGaAsSb multiple-quantum-well light-emitting diodes
Published in 2006 Conference on Lasers and Electro-Optics and 2006 Quantum Electronics and Laser Science Conference (01-05-2006)“…We report fabrication and characterization of light-emitting diodes operating at room temperature with a peak wavelength of ~2.0 mum by using heterostructures…”
Get full text
Conference Proceeding -
13
Synthesis and characterization of lanthanide halide scintillating nanocrystals for gamma radiation detection
Published in 2010 International Conference on Nanoscience and Nanotechnology (01-02-2010)“…Colloidal synthesis of core/shell nanocrystals with cerium-doped lanthanum fluoride core and undoped lanthanum fluoride shell, and of core/shell nanocrystals…”
Get full text
Conference Proceeding -
14
Effects of gamma irradiation on optical properties of CdSe/ZnS colloidal quantum dots
Published in 2008 Conference on Lasers and Electro-Optics and 2008 Conference on Quantum Electronics and Laser Science (01-05-2008)“…Effects of 137 Cs gamma irradiation on photoluminescent properties of CdSe/ZnS colloidal quantum dots are reported. Optical degradation was evaluated by…”
Get full text
Conference Proceeding