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Título: | Optimal laser control of double quantum dots |
Autor: | Räsänen, E.; Castro, Alberto; Werschnik, J.; Rubio, Angel CSIC ORCID; Gross, E. K. U. | Fecha de publicación: | 27-feb-2008 | Editor: | American Physical Society | Citación: | Physical Review B 77: 085324 (2008) | Resumen: | Coherent single-electron control in a realistic semiconductor double quantum dot is studied theoretically. Using optimal-control theory, we show that the energy spectrum of a two-dimensional double quantum dot has a fully controllable transition line. We find that optimized picosecond laser pulses generate population transfer at significantly higher fidelities (>0.99) than conventional sinusoidal pulses. Finally, we design a robust and fast charge switch driven by optimal pulses that are within reach of terahertz laser technology. | Descripción: | 5 pp.-- PACS nrs.: 78.45.+h, 78.67.Hc, 73.23.Ra, 78.20.Bh | Versión del editor: | http://dx.doi.org/10.1103/PhysRevB.77.085324 | URI: | http://hdl.handle.net/10261/7314 | DOI: | 10.1103/PhysRevB.77.085324 | ISSN: | 1098-0121 |
Aparece en las colecciones: | (CFM) Artículos |
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Optimal laser-control.pdf | 450,41 kB | Adobe PDF | Visualizar/Abrir |
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