Quantum publications
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Photovoltaic investigation of new co-polymers based on thiophene, fluorine and phenylene
We have investigated a series of new electron donor co-polymers in organic thin-film solar cells.
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Optical polarization characteristics of ultraviolet (In)(Al)GaN multiple quantum well light emitting diodes
The polarization of the in-plane electroluminescence of (0001) orientated (In)(Al)GaN multiple quantum well light emitting diodes in the UV-A and UV-B spectral range has been investigated.
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All ink-jet printed polyfluorene photodiode for high illuminance applications
We have been developing a monitoring system that could be worn by soldiers to collect daily information that can be used as part of their medical record.
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Inclined Dislocation-Pair Relaxation Mechanism in Homoepitaxial Green GaInN/GaN Light-Emitting Diodes
The creation of symmetrical pairs of inclined dislocations was observed in the GaInN/GaN quantum wells (QWs) of c-axis grown green light-emitting diodes (LEDs) on low-defect density bulk GaN substrate, but not…
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Lasing of semi-polar InGaN/GaN(1122) heterostructures grown on m-plane sapphire substrates
Results for long-wavelength emitters are presented for semi-polar InGaN/AlGaN/GaN heterostructures grown on GaN(1122)/m-sapphire templates by metalorganic chemical vapor deposition.
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OH Radicals and H2O2 Molecules in the Gas Phase Near to TiO2 Surfaces
The time-resolved evolution of the OH radical concentration has been observed at different pressures and at varying distances between the photocatalytic surface and the detection volume.
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Metal-clad nitride semiconductor laser diodes
An edge-emitting laser diode (LD) is described in which the upper epitaxial cladding layer is replaced with an evaporated metal contact selected for its optical as well as electrical properties.
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An investigation of signal performance enhancements achieved through innovative pixel design across several generations of indirect detection, active matrix, flat-panel arrays
In this article, an examination of various signal properties, as determined through measurements and calculations related to novel array designs, is reported in the context of the evolution of AMFPI…
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Spectral and Temperature Dependence of Nonlinear Absorption in InSb
Temperature dependent two-photon and free-carrier absorption spectra of InSb are measured using a tunable picosecond source via temperature controlled Z-scan experiments and show good agreement with theoretical predictions.
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Near-Infrared Fluorescent Labeling of Tissue Transglutaminase Substrates for Wound Healing Monitoring
A novel imaging strategy is developed to optically monitor the wound healing process by crosslinking near-infrared fluorescent-labeled tissue transglutaminase substrates into the wound.
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Silver-clad nitride semiconductor laser diode
An edge-emitting laser diode structure is described in which the conventional upper cladding layer is replaced with a metal contact selected for its optical as well as electrical properties.
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Ultraviolet laser diodes on sapphire and AlN substrates
The performance characteristics of InAlGaN multiple quantum well (MQW) lasers grown on sapphire and low defect density bulk AlN substrates has been compared.