Phase and Amplitude Control of Optical Properties of Quantum Dot Molecules

Mohammad Mahmoudi; Sahar Goharshenasan

doi:10.4028/www.scientific.net/DDF.312-315.172

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HomeDefect and Diffusion ForumDefect and Diffusion Forum Vols. 312-315Phase and Amplitude Control of Optical Properties...

Phase and Amplitude Control of Optical Properties of Quantum Dot Molecules

Abstract:

We investigate the optical properties of a weak probe field in an asymmetry semiconductor double QDs system. We apply a coupling and a probe field to the system and it is shown that in the presence of interdot tunneling, the dispersion and absorption properties of the system can be controlled by the amplitude and relative phase of applied fields. Moreover, it is demonstrated that just by changing the relative phase of applied fields, the slope of dispersion is changed from positive to negative, corresponding to the superluminal light propagation.

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Periodical:

Defect and Diffusion Forum (Volumes 312-315)

Pages:

172-176

DOI:

https://doi.org/10.4028/www.scientific.net/DDF.312-315.172

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Online since:

April 2011

Authors:

Mohammad Mahmoudi, Sahar Goharshenasan

Keywords:

Interdot Tunnel Coupling, Optical Property, Quantum Dot (QD)

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