Read-Rezayi State and Quantum Dot
Generation of a two-photon state from a quantum dot in a microcavity
... two-photon state and of its emission ...The quantum character of the two-photon emission is demon- strated theoretically by a detailed analysis of all the pro- cesses involved in the biexciton ...
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Quantum Computation and Bell-state Measurement with Double-Dot Molecules
... double quantum dots have attracted many in- ...glet state S = (|↑↓i − |↓↑i) / √ 2 and the triplet state T = (|↑↓i + |↓↑i) / √ 2 of double coupled quantum ...the quantum molecules are ...
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Influence of Quantum Dot Layer on the Properties of Quantum Dot Light Emitting Diodes
... On the one hand, these surface defects can easily capture photo-induced carriers and excitons formed by hole and electron recombination, which will increase the probability of non-radiative recombination, reduce the ...
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Photoluminescence of a quantum dot molecule
... ij þ d ij X k6¼j f jk q kk c ij q ij ; (10) where d ij is the Kronecker delta, f jk denotes the rate of transi- tions jkii ! jjii due to the thermal interaction with the bath, c ij ¼ ðc ii þ c jj Þ=2 þ c ij for i 6¼ j ...
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Quantum-dot Cellular Automata
... 2.7 Summary This chapter provides comprehensive background information on QCA tech- nology. The general QCA model and QCA cells, wires, basic gates, and crossings are introduced. Four kinds of physical implementation for ...
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Quantum-Dot-Based Telecommunication-Wavelength Quantum Relay
... a quantum-dot- driven quantum relay [20] has proven the feasibility of this approach by achieving state-of-the-art high-fidelity ...a quantum-relay experiment in the telecommunication O ...
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Spin quantum jumps in a singly charged quantum dot
... sudden quantum jumps between spin-up and spin-down states under optical ...creates quantum entanglement between the atomic spin state and the optical polarization or emission direction of the ...
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Quantum dots and quantum dot based polymer composites
... Please read them carefully. I have read and I understand the following statement: All material supplied via a Digitised Thesis from Trinity College Library is protected by copyright and other intellectual ...
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Achieving quantum computation with quantum dot spin qubits
... r = 12.5 for GaAs heterostructures [117]. especially favorable for TQD qubits. σ (1,2) B is by several orders of magnitude lower in Si TQDs compared to GaAs TQDs [87]. Summary — This chapter has characterized static and ...
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Ultrafast Trap State-Mediated Electron Transfer for Quantum Dot Redox Sensing
... acceptor state positioned at the end of the linker, whose energy coincided with our experimental estimate for the lowest unoccupied molecular orbital (LUMO) of ...trap state, however, agree closely with ...
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Si solid state quantum dot based materials for tandem solar cells
... engineering, quantum dots, photovoltaics, tandem cells, modulation doping, nucleation, third generation Introduction An increase in efficiency can be achieved through the use of multiple energy levels in a ...
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Recombination processes in quantum dot lasers.
... The decrease in Jra^ in Fig. 4.3 can be explained by the following: when the temperature is increased, the carriers gain more thermal energy and have a higher probability to transport from one dot to the other via ...
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The hole spin in a semiconductor quantum dot
... this relatively simple linewidth measurement is complex to interpret as the spin noise is a function of both Rabi energy and detuning. To simplify matters, we performed the experiment with two lasers. The concept is that ...
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Investigation of Quantum Dot Controlled Not Gate
... Fig 10: First Excited state of Target dots, wave function is concentrated at bigger dot corresponding to state |0>. From the truth table of CNOT gate for one control qubit and one target qubit it has ...
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A Study on Quantum Dot and its Applications
... ABSTRACT: Quantum Dots(QD) are semiconductor nanocrystals with diameters in the range of 2-10 ...the quantum dots fall between those of bulk semiconductors and those of discrete molecules of comparable ...
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A quantum dot single spin meter
... a quantum dot that is defined by electrical gates that pinch off a one- dimensional conductor, such as a nanowire or a carbon ...the quantum dot can be controlled with high precision by ...
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Cavity Quantum Electrodynamics with Quantum Dot - Photonic Crystal Nanocavities
... Theoretical simulations give results with often more then two times the quality factor as compared to some of the highest experimentally measured values. Additionally, silicon has shown to give much higher quality ...
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Indium Gallium Arsenide Three-State and Non-Volatile Memory Quantum Dot Devices
... Ge quantum dots as charge storage centers to introduce three- state capability in the ...switching quantum well channels in the substrate further increases the opportunity for multi-bit operations in ...
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Temperature and Magnetic Field Effects on the Transport Controlled Charge State of a Single Quantum Dot
... solid state laser was focused to a spot diameter of 2 lm onto the sample surface with a microscope objective, hence only one QD is present within the laser ...
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Quantum gates between two spins in a triple-dot system with an empty dot
... ith dot and t AC and t CB are tunnel matrix elements between ...for dot arrays, namely the interdot electrostatic interaction is ...a quantum gate between the aforementioned qubits, and for those ...
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