electromagnetically induced transparency in doppler broadened

electromagnetically induced transparency in doppler broadened

electromagnetically induced transparency in doppler broadened
Application

Narrowing of electromagnetically induced transparency 01/07/2002· We derive an analytic expression for the linewidth of electromagnetically induced t

electromagnetically induced transparency in doppler broadened

  • Narrowing of electromagnetically induced transparency

    01/07/2002· We derive an analytic expression for the linewidth of electromagnetically induced transparency (EIT) resonance in a Dopplerbroadened system It is shown here that for relatively low intensity of the driving field the EIT linewidth is proportional to the square root of intensity and is independent of the Doppler width, similar to the laserinduced line narrowing effect described by FeldElectromagneticallyinduced transparency has become an important tool to control the optical properties of dense media However, in a broad class of systems, the interplay between inhomogeneous broadening and the existence of several excited levels may lead to a vanishing transparency Here, by identifying the underlying physical mechanisms resulting in this effect, we show that transparencyOSA | Enhancing electromagneticallyinduced transparency08/02/2014· We study electromagneticallyinduced transparency (EIT) of a probe field in a Doppler broadened fivelevel Ktype atomic system driven by three strong laser (coupling) fields Effect of wavevector mismatch occurring when the coupling field frequency is higher than that of the probe field frequency (λ c < λ p) are considered Under the influence of the coherent coupling fields, theElectromagneticallyinduced transparency in Doppler

  • Electromagnetically induced transparency in Doppler

    01/08/2000· We study electromagnetically induced transparency for a probe travellingwave (TW) laser field in closed Dopplerbroadened threelevel systems driven by a resonant standingwave (SW) laser field of moderate intensity (its Rabi frequencies are smaller than the Doppler width of the driven transition) We show that probe windows of transparency occur only for values of the probetodrivequantitative parameters to control properties of the Doppler broadened EIT medium, and it is useful to find related applications Keywords: electromagnetically induced transparency, Doppler broadening, quantum interferences (Some figures may appear in colour only in the online journal) 1 Introduction Electromagnetically induced transparency (EIT) is a quantum interference effect that wasElectromagnetically induced transparency in a fivelevel01/08/2001· Laser induced line narrowing effect in Doppler broadened systems was discovered thirty years ago This effect can also be applied to recent experimental studies in high resolution spectroscopy or high precision measurements based on Electromagnetically Induced Transparency (EIT) In this report we derive an analytic expression for the linewidth of EIT resonance in a Doppler broadenedFrom Laser Induced Line Narrowing To Electromagnetically

  • Intensity dependence narrowing of electromagnetically

    Electromagnetically induced transparency EIT 1 and absorption EIA 2 are two opposite effects of optical pumping and coherence: in the EIT, the medium is characterized by subDoppler transmission and normal dispersion, while in the EIA it is characterized by narrow absorption gain and abnormal dispersion Both EIT and EIA can be induced between either hyperfine levels or Zeeman sublevelsElectromagnetically induced transparency in thermal Rydberg atoms: superatom model with finite Doppler broadening SiYin Bai1, QianQian Bao2, XueDong Tian1,3, YiMou Liu1 and JinHui Wu1 1Center for Quantum Sciences and School of Physics, Northeast Normal University, Changchun , People’s Republic of China 2College of Physics, Liaoning University, Shenyang , People’sElectromagnetically induced transparency in thermalThe effect of probe intensity variation on the two EIT peaks is studied in case of Doppler broadened probe transmission spectrum It is found that the heights of the EIT peaks decrease as the probe intensity increases, and interestingly one EIT peak converts into EIA (electromagnetically induced absorption) dip at some strong probe intensitySimulation of double electromagnetically induced

  • Dopplerfree threephoton coherence in Doppler

    We investigated the relationship between threephoton electromagnetically induced absorption (TPEIA) and fourwave mixing (FWM) in the 5S1/2–5P3/2–5D5/2 transition of 87Rb atoms When the driving field was additionally coupled to the ground and intermediate states of a lower Vtype configuration in a typical laddertype electromagnetically induced transparency (EIT) system, DopplerfreeWe study electromagnetically induced transparency for a probe travellingwave (TW) laser field in closed Dopplerbroadened threelevel systems driven by a resonant standingwave (SW) laser field of moderate intensity (its Rabi frequencies are smaller than the Doppler width of the driven transition) We show that probe windows of transparency occur only for values of the probetodrive fieldElectromagnetically induced transparency in DopplerElectromagneticallyinduced transparency in Dopplerbroadened fivelevel systems AZEEM B MIRZA and SUNEEL SINGH∗ School of Physics, University of Hyderabad, Hyderabad 500 046, India ∗Corresponding author Email: DOI: 101007/s1204301406802; ePublication: 8 February 2014 Abstract We study electromagneticallyinduced transparency (EIT)Electromagneticallyinduced transparency in Doppler

  • Macroscopic effects in electromagneticallyinduced

    We study the electromagneticallyinduced transparency (EIT) in a Dopplerbroadened cascaded threelevel system We decompose the susceptibility responsible forOSTIGOV Journal Article: Observation of Intracavity Electromagnetically Induced Transparency and Polariton Resonances in a DopplerBroadened Medium Observation of Intracavity Electromagnetically Induced Transparency and Polariton Resonances in a DopplerBroadened Medium Full Record ; Other Related Research; AbstractObservation of Intracavity Electromagnetically Induced01/08/2001· Laser induced line narrowing effect in Doppler broadened systems was discovered thirty years ago This effect can also be applied to recent experimental studies in high resolution spectroscopy or high precision measurements based on Electromagnetically Induced Transparency (EIT) In this report we derive an analytic expression for the linewidth of EIT resonance in a Doppler broadenedFrom Laser Induced Line Narrowing To

  • Electromagnetically induced transparency in an open Vtype

    Electromagnetically induced transparency in an open Vtype molecular system has been demonstrated experimentally in Dopplerbroadened Li 2 [9,10 ],K 2 [11 ],andNa 2 gases[ 12 ],acetylenemoleculesin a hollowcore photonic gapÞber [ 13 ,14 ], acetylene photonic microcell [ 15 ], and in Cs 2 in a vapor cell [ 16 ] Unlike atoms, molecules constitute open systems in that the upperElectromagnetically induced transparency EIT 1 and absorption EIA 2 are two opposite effects of optical pumping and coherence: in the EIT, the medium is characterized by subDoppler transmission and normal dispersion, while in the EIA it is characterized by narrow absorption gain and abnormal dispersion Both EIT and EIA can be induced between either hyperfine levels or Zeeman sublevelsIntensity dependence narrowing of electromagneticallyKey words: Electromagnetically Induced Transparency (EIT); dynamic Stark splitting; power broadening 1 INTRODUCE Atomic coherence and interference play a key role in many nonlinear optics processes and electromagnetically induced transparency (EIT) is one of the most typical examples illustrating the fascinating physics involving atomic coherence and interference [1,2] Since the earlyPower Broadening of Electromagnetically Induced

  • Electromagnetically induced gain in molecular systems

    susceptibility for a Dopplerbroadened molecular transition for an arbitrary high rotational angular momentum J 20 It is shown that for a Qtype open transition, a weak probe will experience an electromagnetically induced gain in presence of a strong copropagating pump wave The inversionless gain originates due to cancellation of absorption from the interference of the coupled and Vtypeof Electromagnetically Induced Transparency in Plasma S A Babin, M G Stepanov, D V Churkin*, and D A Shapiro Institute of Automation and Electrometry, Siberian Division, Russian Academy of Sciences, Universitetski ˇ pr 1, Novosibirsk, Russia *email: Received November 27, 2003 Abstract —We have measured the shape of the Autler–Townes doublet and theCoulomb Broadening of the Peak of ElectromagneticallyElectromagneticallyinduced transparency in Dopplerbroadened fivelevel systems AZEEM B MIRZA and SUNEEL SINGH∗ School of Physics, University of Hyderabad, Hyderabad 500 046, India ∗Corresponding author Email: DOI: 101007/s1204301406802; ePublication: 8 February 2014 Abstract We study electromagneticallyinduced transparency (EIT)Electromagneticallyinduced transparency in Doppler

  • Electromagnetically Induced Transparency A Thesis Reed

    17 EIT Doppler broadened with numerical integration 23 This thesis explores electromagnetically induced transparency (EIT), a technique capable of drastically modifying a medium’s optical properties near an atomic resonance when an electromagnetic eld is applied As the name indicates, these properties include a transparency window at a normally highly absorbingThe influence of Doppler broadening on a fourlevel Ntype atomic system has been investigated in the presence of spontaneous generating coherence The atomic system interacting with three electromCONTROLLABILITY OF ELECTROMAGNETICALLYElectromagnetically induced transparency in an open Vtype molecular system has been demonstrated experimentally in Dopplerbroadened Li 2 [9,10 ],K 2 [11 ],andNa 2 gases[ 12 ],acetylenemoleculesin a hollowcore photonic gapÞber [ 13 ,14 ], acetylene photonic microcell [ 15 ], and in Cs 2 in a vapor cell [ 16 ] Unlike atoms, molecules constitute open systems in that the upperElectromagnetically induced transparency in an open Vtype

  • From laserinduced line narrowing to electromagnetically

    (2002) From laserinduced line narrowing to electromagnetically induced transparency in a Dopplerbroadened system Journal of Modern Optics: Vol 49, No 1415, pp 25012516We derive an analytic expression for the linewidth of electromagnetically induced transparency (EIT) resonance in a Dopplerbroadened system It is shown here that for relatively low intensity of the driving field the EIT linewidth is proportional to the square root of intensity and is independent of the Doppler width, similar to the laserinduced line narrowing effect described by Feld and JavanNarrowing of electromagnetically induced transparencyOSTIGOV Journal Article: Observation of Intracavity Electromagnetically Induced Transparency and Polariton Resonances in a DopplerBroadened Medium Observation of Intracavity Electromagnetically Induced Transparency and Polariton Resonances in a DopplerBroadened Medium Full Record ; Other Related Research; AbstractObservation of Intracavity Electromagnetically Induced

  • Power Broadening of Electromagnetically Induced

    Key words: Electromagnetically Induced Transparency (EIT); dynamic Stark splitting; power broadening 1 INTRODUCE Atomic coherence and interference play a key role in many nonlinear optics processes and electromagnetically induced transparency (EIT) is one of the most typical examples illustrating the fascinating physics involving atomic coherence and interference [1,2] Since the earlyotherwise Doppler broadened media In the present work we quantitatively study the Dickenarrowing effect in electromagnetically induced transparency (EIT) by continuously scanning a wide range of narrowing factors and comparing the results to an analytic model We discuss the effect of Dicke narrowing on EIT experiments whereMeasurement of Dicke Narrowing in Electromagneticallyof Electromagnetically Induced Transparency in Plasma S A Babin, M G Stepanov, D V Churkin*, and D A Shapiro Institute of Automation and Electrometry, Siberian Division, Russian Academy of Sciences, Universitetski ˇ pr 1, Novosibirsk, Russia *email: Received November 27, 2003 Abstract —We have measured the shape of the Autler–Townes doublet and theCoulomb Broadening of the Peak of Electromagnetically