dorsal/arxiv
View SchemaQuantum Computation with Quantum Dots and Terahertz Cavity Quantum Electrodynamics
| Authors | Mark S. Sherwin, Atac Imamoglu, Thomas Montroy |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/9903065 |
| URL | https://arxiv.org/abs/quant-ph/9903065 |
| DOI | 10.1103/PhysRevA.60.3508 |
Abstract
A quantum computer is proposed in which information is stored in the two lowest electronic states of doped quantum dots (QDs). Many QDs are located in a microcavity. A pair of gates controls the energy levels in each QD. A Controlled Not (CNOT) operation involving any pair of QDs can be effected by a sequence of gate-voltage pulses which tune the QD energy levels into resonance with frequencies of the cavity or a laser. The duration of a CNOT operation is estimated to be much shorter than the time for an electron to decohere by emitting an acoustic phonon.
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"abstract": "A quantum computer is proposed in which information is stored in the two\nlowest electronic states of doped quantum dots (QDs). Many QDs are located in a\nmicrocavity. A pair of gates controls the energy levels in each QD. A\nControlled Not (CNOT) operation involving any pair of QDs can be effected by a\nsequence of gate-voltage pulses which tune the QD energy levels into resonance\nwith frequencies of the cavity or a laser. The duration of a CNOT operation is\nestimated to be much shorter than the time for an electron to decohere by\nemitting an acoustic phonon.",
"arxiv_id": "quant-ph/9903065",
"authors": [
"Mark S. Sherwin",
"Atac Imamoglu",
"Thomas Montroy"
],
"categories": [
"quant-ph"
],
"doi": "10.1103/PhysRevA.60.3508",
"title": "Quantum Computation with Quantum Dots and Terahertz Cavity Quantum Electrodynamics",
"url": "https://arxiv.org/abs/quant-ph/9903065"
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