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Quantum Dot
Quantum Dot news and technical articles from Laser Focus World. Search Quantum Dot latest and archived news and articles
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Quantum -dot VCSELs can emit anywhere in the visible spectrum
… colloidal quantum dots for use in quantum - dot lasers, which can be made to emit ..... together in densely packed films. The quantum - dot nanocrystals have an inner core ..... ZnCdS core/shell). As with any quantum dot , the size determines the emitting color …
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Quantum -dot blinking mysteries revealed by LANL researchers
… understanding the phenomenon of quantum - dot blinking . Their findings should ..... controllably charge and discharge a single quantum dot while monitoring its blinking behavior ..... range of applications; however, quantum - dot optical properties can randomly …
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PHOTONIC FRONTIERS: Nanopatterns impose order on quantum -dot lasers
Self-assembled quantum - dot lasers have low thermal sensitivity ..... three dimensions. But no sooner have quantum - dot lasers reached the market than developers ..... laser's active layer. Today's quantum - dot lasers are fabricated by a self …
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Quantum -dot films multiply electrons, improve solar-energy harvesting
… coupled quantum dots , enabling quantum - dot solar cells with increased photon ..... theoretical conversion efficiency of quantum - dot semiconductor solar cells is 44 ..... carrier multiplication in these quantum - dot nanoparticles. In conventional …
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Quantum -dot ink could be low-cost semiconductor layer for photovoltaics
… transport between quantum dots. (University of Chicago) Argonne, IL--Inorganic nanocrystal arrays fabricated from a quantum - dot "ink" can serve as potentially lower-cost semiconductor layers for solar cells.1 The ink was developed by researchers …
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Fujitsu and University of Tokyo achieve first 25G quantum -dot laser
… Tokyo announced the world's first quantum - dot -laser-based 25 Gbps (25G) high-speed data transmission. Quantum - dot lasers are a type of semiconductor ..... quantum dots is known to improve a quantum dot laser's operation speed, layers …
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Quantum -dot lasers close in on their quantum-well rivals
… preferred method of fabrication, quantum - dot lasers are benefiting from high ..... comparison to quantum-well lasers, quantum - dot lasers offer the possibility of ..... performance. The electronic states of a quantum dot are fully quantized, resulting …
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Single nanowire becomes a quantum -dot photodetector
… the active element is a single quantum dot with a volume of a mere 7000 nm3 ..... resonance with the energy levels of the quantum dot will be detected. The indium phosphide ..... standard epitaxial techniques and the quantum dot was obtained by sandwiching a thin …
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VI Systems quantum -dot wafers allow for multistack quantum -dot lasers
PRESS RELEASE VI Systems offers Quantum Dot (QD) laser epitaxial wafer VI Systems starts to offer Quantum Dot (QD) laser epitaxial wafers with customized wavelengths from 1200 nm to 1350 nm …
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QD Vision raises $10 million for quantum -dot -based LED lighting and displays
… developer of Quantum Light quantum - dot nanotechnology based products for ..... advancements on a new generation of quantum dot -based LEDs and materials for high ..... lighting and display industry in its quantum dot technology. The Nexxus lamp featuring …
