Thesuperluminal lightpropagation[F=4,m=3)6P/21o4o2MC=1+2㎡Rex0,)+20,R00Probe fieldEn56S1/2[2)Csvapourcellat30°C[F=4,m=-2)[1)ng=n(u)+dn/duF=4.m=-4)=-310(±5)0.81.50.6Refractive index change An (x10-0)The superluminal light0Gainpropagation in atomic caesium0.50.2gas is the result of the losslessanomalousdispersionregionIndex changecreatedwiththeassistanceof00.5An (x10-6)twonearbyRamangain0.4ITresonances.0.61.50.8-20246-6-4Gain-assisted superluminal lightpropagationProbe detuning (MHz)L. J. Wang, A. Kuzmich, and A. Dogariu, Nature 406, 277 (2000)
The superluminal light propagation Cs vapour cell at 30℃ ng=n(u)+udn/du =-310(±5) Gain-assisted superluminal light propagation, 17 L. J. Wang, A. Kuzmich, and A. Dogariu, Nature 406, 277 (2000). The superluminal light propagation in atomic caesium gas is the result of the lossless anomalous dispersion region created with the assistance of two nearby Raman gain resonances
Electromagnetically induced absorption(ElA)(b)oneaaosi0.4Superpositionof twoAsystem0.2sharing the same arm.0.0-0.2RefractionAbsorptionFe0.42.5-2.50.0-5.05.00.6(b)1:1130.2-130.0百0-0.2sqRefraction**.Absorption0.40.00(b)50-105100.80.0OA0.8 (b)oae0.6"uo0.4-0.0yos0.2-uondRefracion0.0-Absorption-0.2-5.0-2.52.50.05.0Refraction-0.4Absorption8ry-0.60-55-1010S1Y18Quantum coherenceinadegeneratetwo-level atomicensemblefora transitionGuY,SunQQ,GongQH,PHYSICALREVIEWA,67,063809(2003)
18 Electromagnetically induced absorption (EIA) Superposition of two L system sharing the same arm. Quantum coherence in a degenerate two-level atomic ensemble for a transition Gu Y, Sun QQ, Gong QH, PHYSICAL REVIEW A , 67, 063809 (2003 )
Coherent hole burningZeeman splitting+Saturationfield+Maximum coherence Vc=O1o03oosi(a)V=2.5V=0.70.1ee0.0FisRefraction0.1Absorption0.0V=2.5V=0.8(b)0.15JO0.10OSO0000BSUC0.05UOeas0.00M(o)"o-(0)"of'A0.0ooe0.05V,=2.5eV=0.20.12(c)V=2.5V=0.9osiV=0.8J=160.0860.04o0.00coherent hole burning at the0.0original ElA peaks dueto the0.00-1010coherentpopulationoscillationsor19Coherent hole burning and Mollow absorption effects in the cycling transition F-e=0<->F-g=subjecttoamagneticfield,GuY,SunQQ,GongQH,PHYSICALREVIEWA,69,063805(2003)
19 Coherent hole burning Zeeman splitting +Saturation field+Maximum coherence Vc= w10 coherent hole burning at the original EIA peaks due to the coherent population oscillations Coherent hole burning and Mollow absorption effects in the cycling transition F-e=0 <-> F-g=1 subject to a magnetic field ,Gu Y, Sun QQ, Gong QH, PHYSICAL REVIEW A , 69, 063805 (2003 )
RefractiveindexenhancementAtoms prepared inacoherent1.3superpositionofastatedoublet(a)ecan produce a large resonantindex of refraction with vanishingabsorptionL'O0.7x10-6uv(b)1.2'opul0.20'00-0.200.800.50.02.55.0-0.5-2.55.0detuningA@, (MHz)TheoryExperimentRefractiveIndexEnhancementwithVanishingAbsorptioninanAtomicVapor20ProiteNA,UnksBE,GreenJT,etal.,PHYSICALREVIEWLETTERS,101,147401(2008)Contributor:M.O.Scully,S.Y.Zhu,M.S.Zubairy
Refractive index enhancement Refractive Index Enhancement with Vanishing Absorption in an Atomic Vapor, Proite NA, Unks BE, Green JT, et al., PHYSICAL REVIEW LETTERS ,101 ,147401 (2008) Contributor: M.O.Scully, S.Y.Zhu, M.S.Zubairy Theory Experiment Atoms prepared in a coherent superposition of a state doublet can produce a large resonant index of refraction with vanishing absorption 20
内容包括：一、二能级原子的相干性质二、三能级原子的相干性质三、四能级原子的相干性质四、微纳结构附近的量子相干性质五、非线性量子光学六、原子系综中的量子信息过程21
21 内容包括： 一、二能级原子的相干性质 二、三能级原子的相干性质 三、四能级原子的相干性质 四、微纳结构附近的量子相干性质 五、非线性量子光学 六、原子系综中的量子信息过程