Long wavelength enhanced Kerr nonlinearity via Fano-type interference in semiconductor quantum
wells

• Authors: Seyyed Hossein Asadpour , Hamid Rahimpour Soleimani
• Languages of publication: EN

Abstracts

EN

The linear and nonlinear behaviors of susceptibility via tunable
Fano-type interference, based on intersubband transitions
in asymmetric double quantum wells (QWs) driven coherently
by a probe laser field, are analyzed. It is shown that
Kerr nonlinearity can be controlled competently by tuning the
energy splitting of the two excited states (the coupling strength
of the tunneling), i.e. Fano-type interference. This outcome
may be used for optimizing and controlling long wavelength
optical switching processes in QW solid-state systems, which
is much more useful than that currently used in atomic systems
because of its flexible design and the controllable interference
strength.

Keywords

EN

Fano interference; Kerr nonlinearity

• Publisher: De Gruyter Open
• Journal: Coherent Phenomena
• Year: 2012
• Volume: 1
• Pages: 1-6

Dates

online

20 - 12 - 2012

received

25 - 9 - 2012

accepted

6 - 11 - 2012

Contributors

author

Seyyed Hossein Asadpour

• Department of Physics, Faculty of Science, University of Guilan,
  Rasht, Iran

author

Hamid Rahimpour Soleimani

• Department of Physics, Faculty of Science, University of Guilan,
  Rasht, Iran

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Identifiers

DOI

10.2478/coph-2012-0001