https://doi.org/10.1140/epjd/e2014-50036-4
Regular Article
Controlling the optical bistability in a three-level quantum-dot molecule via gate voltage and indirect incoherent pump field
1
Research Institute for Applied Physics and Astronomy, University
of Tabriz , 51665-163
Tabriz,
Iran
2
Aras International Campus, University of Tabriz ,
51665-163
Tabriz,
Iran
3
Department of Physics, Azarbaijan Shahid Madani
University, 51665-163
Tabriz,
Iran
a
e-mail: h_jafarzadeh56@yahoo.com
Received: 14 January 2014
Received in final form: 4 March 2014
Published online: 9 May 2014
Modification of the optical bistability (OB) in an asymmetric double quantum dot (QD) molecule is investigated via interdot tunnel coupling. It is shown that the bistable threshold intensity can efficiently be controlled by tuning the system parameters such as the gate voltage and indirect incoherent pump rate. This may be employed for the development of new types of nanoelectronic devices for realizing switching process.
Key words: Quantum Optics
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag 2014