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Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection
Published on: October 13, 2017
The photocurrent generated by photon replica states of an off-resonantly coupled dot-cavity system
Nzar Rauf Abdullah1,2, Chi-Shung Tang3, Andrei Manolescu4
1Division of Computational Nanoscience, Physics Department, College of Science, University of Sulaimani, Sulaimani, 46001, Kurdistan Region, Iraq. nzar.r.abdullah@gmail.com.
Abstract:
Transport properties of a quantum dot coupled to a photon cavity are investigated using a quantum master equation in the steady-state regime. In the off-resonance regime, when the photon energy is smaller than the energy spacing between the lowest electron states of the quantum dot, we calculate the current that is generated by photon replica states as the electronic system is pumped with photons. Tuning the electron-photon coupling strength, the photocurrent can be enhanced by the influences of the photon polarization, and the cavity-photon coupling strength of the environment. We show that the current generated through the photon replicas is very sensitive to the photon polarization, but it is not strongly dependent on the average number of photons in the environment.
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