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Gain-assisted superluminal light propagation

WebJul 20, 2000 · Here we use gain-assisted linear anomalous dispersion to demonstrate superluminal light propagation in atomic caesium gas. The group velocity of a laser … WebAug 3, 2008 · Gain-assisted superluminal light propagation via incoherent pump field. We investigate the dispersion and the absorption properties of a weak probe field in a …

arXiv:1109.6121v2 [physics.gen-ph] 3 Oct 2011

WebJun 21, 2001 · correction: Gain-assisted superluminal light propagation Authors: L. J. Wang A. Kuzmich Arthur Dogariu Princeton University Content uploaded by Arthur Dogariu Author content Content may be... WebApr 23, 2024 · Superluminal propagation in a poly-chromatically driven gain assisted four-level N-type atomic system To cite this article: Bakht Amin Bacha et al 2013 Phys. Scr. 88 045402 View the article online for updates and enhancements. Related content Gain assisted multiple surperluminal regions via a Kerr nonlinearity in a double lambda-type … netbase pricing https://voicecoach4u.com

Gain-assisted superluminal light propagation via incoherent …

WebApr 5, 2024 · In some recent studies, gain assisted schemes have been suggested to obtain superluminal light propagation and anomalous dispersion [1, 21, 22]. Ziauddin and Qamar [23] have used a two photon Raman gain process for the coherent control of the Goos–Hanchen shift in a fixed atomic structure. However, these Raman gain systems … WebJul 26, 2024 · Here, we study dispersion and absorption properties of a weak probe field in a Landau-quantized graphene and report a gain-assisted superluminal light propagation. Moreover, an attempt is made to develop an analytical expression and necessary parameters for switching the group velocity of the probe field from subluminal to … WebJun 21, 2001 · Correction: Gain-assisted superluminal light propagation. Nature, 406, 277–279 (2000). It has been drawn to our attention that we inadvertently did not cite a previous paper by Segard and Macke ... netbase outsourcing limited liability company

Gain-assisted superluminal light propagation via incoherent …

Category:Absorption-free superluminal light propagation in a Landau …

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Gain-assisted superluminal light propagation

Phase-locked laser-wakefield electron acceleration - Nature

WebMar 5, 2024 · Moreover, a switching between the absorption-assisted superluminal and the gain-assisted superluminal EIT window happens for ϕ 0 = π. Note that the GFF attenuates during its propagation in the ... WebApr 23, 2024 · Gain-assisted superluminal propagation and rotary drag of photon and surface plasmon polaritons Naveed Khan et al-Gain assisted multiple surperluminal …

Gain-assisted superluminal light propagation

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WebOPERA experiment of the superluminal propagation of neutrino and experiment of the gain-assisted superluminal light propagation realized about ten years ago. Last exper-iment refers on the propagation of the light, precisely laser pulse through a medium, precisely caesium atomic gas, with characteristic anomalous dispersion and corresponding WebMay 11, 2001 · Summary form only given. We use gain-assisted linear anomalous dispersion to demonstrate superluminal light pulse propagation with a negative group velocity through a transparent atomic medium. We place two Raman gain peaks closely to obtain an essentially lossless anomalous dispersion region that results in a …

WebJul 20, 2000 · Gain-assisted linear anomalous dispersion is used to demonstrate superluminal light propagation in atomic caesium gas and is observed to be a direct … WebJan 12, 2016 · Then, the gain-assisted superluminal light propagation due to the cross-Kerr nonlinearity is established in cavity optomechanical system with a Bose-Einstein condensate. Such behavior can not appear in the pump-probe two-level atomic systems in the normal phase.

WebJun 5, 2024 · Surface plasmon polaritons (SPPs) propagating at the interfaces of composite media possess a number of fascinating properties not emerging in case of conventional SPPs, i.e., at metal-dielectric boundaries. We propose here a helpful algorithm giving rise for investigation of basic features of complex conductivity dependent SPPs at the interface … WebHere we use gain-assisted linear anomalous dispersion to demonstrate superluminal light propagation in atomic caesium gas. The group velocity of a laser pulse in this region …

WebOct 1, 2009 · The propagation of a weak probe field in a three-level quantum-dot molecule is investigated by employing the tunnel coupling. It is shown that in the absence of tunnel coupling, the propagation of light pulse is superluminal, similar to a …

WebGain Assisted Superluminal Light Propagation. An article by Dr. Lijun Wang. The Speed of Light Is Exceeded in Lab. Scientists have apparently broken the universe’s speed limit. For generations, … netbase quid knowledge baseWebJul 24, 2024 · This study presents 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... it\u0027s me again margaret ray stevensWebApr 12, 2024 · It is the split-step Fourier propagation method, which is carried out by adjusting the amplitude and width of the initial pulse. ... J. Propagation of ultrashort light pulses in fibers with saturable nonlinearity in the normal-dispersion region. J. Opt. Soc. Am. ... Hang, C.; Huang, G.X. Gain-assisted high-dimensional self-trapped laser beams ... it\u0027s me again only better cancer poem