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On 23 January 2013 Dow entered into an exclusive licensing agreement with UK-based Nanoco for the use of their low-temperature molecular seeding method for bulk manufacture of cadmium-free quantum dots for electronic displays, and on 24 September 2014 Dow commenced work on the production facility in South Korea capable of producing sufficient ...
The Kondo effect has been observed in quantum dot systems. [12] [13] In such systems, a quantum dot with at least one unpaired electron behaves as a magnetic impurity, and when the dot is coupled to a metallic conduction band, the conduction electrons can scatter off the dot. This is completely analogous to the more traditional case of a ...
Bound states in the forbidden zone, where there are no finite solutions at infinity, are widely known (atoms, quantum dots, defects in semiconductors). For solutions in a continuum that are associated with this continuum, resonant states [1] are known, which decay (lose energy) over time. They can be excited, for example, by an incident wave ...
Download as PDF; Printable version; In other projects ... Help. Pages in category "Quantum dots" The following 19 pages are in this category, out of 19 total ...
This plot is a computer simulation of EIT in an InAs/GaAs quantum dot Electromagnetically induced transparency ( EIT ) is a coherent optical nonlinearity which renders a medium transparent within a narrow spectral range around an absorption line .
Fabrication of the quantum dot LED involved a blue chip as a blue light source and a silicon resin containing the quantum dots on top of the chip creating the sample, with good results obtained from the experiment. [23] Silicon A third type of quantum dot that does not contain heavy metals is the silicon quantum dot.
Silicon quantum dots are metal-free biologically compatible quantum dots with photoluminescence emission maxima that are tunable through the visible to near-infrared spectral regions. These quantum dots have unique properties arising from their indirect band gap , including long-lived luminescent excited-states and large Stokes shifts .
Therefore, the quantum dot is an emitter of single photons. A key challenge in making a good single-photon source is to make sure that the emission from the quantum dot is collected efficiently. To do that, the quantum dot is placed in an optical cavity. The cavity can, for instance, consist of two DBRs in a micropillar (Fig. 1).
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