Journal Article10.1016/J.OPTCOM.2013.04.024
Controllable optical bistability via tunneling induced transparency in quantum dot molecules
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TL;DR: In this article, the optical bistability of a quantum dot molecule under coherent excitation and considering the spontaneous exciton decay and pure dephasing as two decoherence channels was investigated.
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About: This article is published in Optics Communications. The article was published on 01 Sep 2013. The article focuses on the topics: Optical bistability & Dephasing.
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Citations
Coherent Control of the Goos{Hanchen Shifts in a Four-Level N Type Atomic Medium
TL;DR: In this paper, the behavior of the Goos-Hanchen (GH) shifts of the reflected and transmitted probe light beams is theoretically investigated in a fixed geometrical configuration, and the effect of quantum interference induced by spontaneous emission on the phase control of the GH shifts is analyzed.
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Controlling the optical bistability in a three-level quantum-dot molecule via gate voltage and indirect incoherent pump field
TL;DR: In this article, a modification of the optical bistability in an asymmetric double quantum dot (QD) molecule is investigated via interdot tunnel coupling, and 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.
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Control of optical bistability and third-order nonlinearity via tunneling induced quantum interference in triangular quantum dot molecules
Si-Cong Tian,Ren-Gang Wan,Cunzhu Tong,Jin-Long Zhang,Xiaonan Shan,Xihong Fu,Yugang Zeng,Li Qin,Yongqiang Ning +8 more
TL;DR: In this paper, the optical bistability of a triangular quantum dot molecules embedded inside a unidirectional ring cavity is studied and the type, the threshold and the hysteresis loop of the optical Bistability curves can be modified by the tunneling parameters, as well as the probe laser field.
8
Role of incoherent pumping and Er^3＋ ion concentration on subluminal and superluminal light propagation in Er~（3＋）-doped YAG crystal
TL;DR: In this article, the absorption-dispersion process and group index of weak probe field in a four-level Er3+:YAG crystal were studied. And the results showed that the Er3 ion concentration plays a major role in lasing without inversion and absorption with inversion.
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References
Electromagnetically induced transparency : Optics in coherent media
TL;DR: In this paper, the authors consider the atomic dynamics and the optical response of the medium to a continuous-wave laser and show how coherently prepared media can be used to improve frequency conversion in nonlinear optical mixing experiments.
Electromagnetically Induced Transparency
TL;DR: Electromagnetic induced transparency is a technique for eliminating the effect of a medium on a propagating beam of electromagnetic radiation EIT may also be used, but under more limited conditions, to eliminate optical self-focusing and defocusing and to improve the transmission of laser beams through inhomogeneous refracting gases and metal vapors, as figure 1 illustrates.
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Electromagnetically induced transparency
TL;DR: In this paper, the coupling field and probe field are used to make an otherwise optically-thick medium transparent to laser radiation, which is called EIT (electromagnetic induced transparency).
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Differential Gain and Bistability Using a Sodium-Filled Fabry-Perot Interferometer
TL;DR: Differential gain and large hysteresis have been seen in the transmission of a Fabry-Perot interferometer containing Na vapor irradiated by light from a cw dye laser.
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Measurement of Dispersive Properties of Electromagnetically Induced Transparency in Rubidium Atoms
TL;DR: The dispersive properties of the atomic transition in the rubidium line are measured and this ladder-type system is observed to exhibit electromagnetically induced transparency together with a rapidly varying refractive index.
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