Here we use gain-assisted linear anomalous dispersion to demon- strate superluminal light propagation in atomic caesium gas. The. Then, the gain-assisted superluminal light propagation due to the cross-Kerr nonlinearity is established in cavity optomechanical system with a. Comment on: Gain-assisted superluminal light propagation through a Bose- Einstein condensate cavity system. Authors; Authors and affiliations. Bruno Macke.
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Gain-assisted superluminal propagation and rotary drag of photon and surface plasmon polaritons [Phys.
Metal conductivity also controls SPP propagation. This further confirms the superluminal nature of SPPs propagating along the interface with negative group velocity. Coherent control Effects of atomic coherence on light propagation Light-matter interaction Nonlinear gain-assusted Optical coherence Quantum optics.
Sign up to receive regular email alerts from Physical Review A. This study gaij-assisted a theoretical analysis of the gain-assisted superluminal light propagation in a four-level N -type atomic system by exploiting the scheme of electromagnetically induced gain and superluminal propagation of surface plasmon polaritons SPPs along the gain-assisted atomic-metal interface simultaneously.
In addition, a theoretical demonstration is presented on the comparison between Fresnel’s rotary photon drag and SPP drag in view of light polarization state ;ropagation by rotating the coherent atomic medium and the atomic-metal interface, respectively.
Rabi frequencies of the control and pump fields considerably modify both photon and SPP drag coefficients.
Superluminal propagation of light is a well-established phenomenon and has motivated immense research interest that has led to state-of-the-art knowledge and potential applications in the emerging technology of quantum optics and photonics.
A 96 Abstract Superluminal propagation of light is a well-established phenomenon and has motivated immense research interest that has led to state-of-the-art knowledge and potential applications in the emerging technology of quantum optics and photonics.
Gain-assisted superluminal light propagation
gqin-assisted Figure 1 a Schematic of gain-assisted propagation of light in a four-level N -type atomic system under the scheme of electromagnetically induced gain. A 96— Published 24 July ; Erratum Phys. Weyl fermions are observed in a solid. Analogous to photon drag in the superluminal propagatiion dispersion region where light polarization rotation occurs opposite the rotation of the gain-assisted atomic medium, the rotation of the atomic-metal interface also rotates the polarization state of SPPs opposite the rotation of the interface.
Series I Physics Physique Fizika. As shown, the electric field E of SPPs decays exponentially with respect to distance z from the interface.
The quantum emitters support SPP propagation along the interface.