Shaping the spatiotemporal dynamics of the electron density in a hybrid metal-semiconductor nanostructure
Optics Letters, Vol. 34, Issue 19, pp. 2900-2902 (2009)
http://dx.doi.org/10.1364/OL.34.002900
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Abstract
A one-dimensional semiconductor nanostructure is locally excited through a metal aperture. It is shown that the electron density can be coherently localized at desired spatial and temporal positions by using nontrivially shaped laser pulses. To obtain the optimized laser field, Bloch equations for a tight-binding model system are solved together with a genetic pulse-shaping algorithm. Full three-dimensional finite-difference time-domain (FDTD) simulations of the Maxwell–Bloch equations confirm the predicted coherent spatiotemporal control.
© 2009 Optical Society of America
OCIS Codes
(030.1670) Coherence and statistical optics : Coherent optical effects
(320.5540) Ultrafast optics : Pulse shaping
(320.7120) Ultrafast optics : Ultrafast phenomena
(250.5403) Optoelectronics : Plasmonics
ToC Category:
Ultrafast Optics
History
Original Manuscript: April 1, 2009
Revised Manuscript: July 31, 2009
Manuscript Accepted: August 11, 2009
Published: September 17, 2009
Citation
Matthias Reichelt and Torsten Meier, "Shaping the spatiotemporal dynamics of the electron density in a hybrid metal-semiconductor nanostructure," Opt. Lett. 34, 2900-2902 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-19-2900
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