ac Stark effect in multiphoton ionization

Moody, Stephen E.; Lambropoulos, Melissa

doi:10.1103/physreva.15.1497

Cited by 46 publications

(7 citation statements)

References 8 publications

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“…In the photoelectron spectrum we find a new doublet in addition to the one predicted by Knight [2,3]. There is a novel dressed-state reversal, i.e.…”

supporting

confidence: 50%

“…, we have also studied the time-dependent effects associated with the peak splitting shown in Figs. 3 Ps(t) =~( g~+(x, , x2, t) )~, and the probabilities P, (t) and P2(t) to find at least one electron in the lowest two hydrogenic states 4&(x) and +2(x) and none of the electrons is in the H ground state. (const intensity laser pulse with a two-cycle linear turnon, @o=0.075 a.u.…”

Section: First Inmentioning

confidence: 99%

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Observation of coherence transfer by electron-electron correlation

Grobe

Eberly

1993

Phys. Rev. A

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We present the results of exact wave-function calculations that are equivalent to numerical experiments on a two-electron quantum system. We show that Rabi oscillations of the core electron can modify the photoelectron spectrum of the outer electron by efficient coherence transfer via e-e correlation, even in the absence of an autoionizing level or other continuum structure. We compare a simplified analytically soluble two-electron theory with our numerical results.PACS number(s): 32.80. Rm, 32.80.Fb, 32.80.Wr

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“…In the photoelectron spectrum we find a new doublet in addition to the one predicted by Knight [2,3]. There is a novel dressed-state reversal, i.e.…”

supporting

confidence: 50%

Section: First Inmentioning

confidence: 99%

Observation of coherence transfer by electron-electron correlation

Grobe

Eberly

1993

Phys. Rev. A

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“…3. These graphs show the same behavior that was found for other phenomena like double-optical resonance (8) or multiphoton ionization ( 10).…”

Section: Dynamic Stark Splittingsupporting

confidence: 72%

“…It has been shown that an absorption line is broadened when the power of the resonant field approaches a saturation value (power broadening), above which two resonances occur when the system is probed. This has been interpreted as a dynamic Stark effect and observed first in the microwave region by Autler and Townes (7), and more recently in the optical region (8)(9)(10) where it was the subject of numerous experimental investigations. We will show in Sect.…”

mentioning

confidence: 96%

The occurrence of the dynamic Stark effect in resonant CARS spectroscopy of a homogeneous medium

Ouellette¹,

Denariez‐Roberge²

1982

Can. J. Phys.

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Wc discuss the occurrencc of thc dynamic Stark cffect in resonant CARS spectroscopy for a homogeneously broadcned medium. We use a four-level systcm interaction with threc monochromatic ficlds of different frcqucncics. The equations of the density matrix are obtaincd in a rotating frame and solved numerically for the steady-state solutions. Analytical expressions are derived for five cases and show a splitting or a broadening of the CARS linc. Stark shifts due to intensc off-resonance fields are discussed.Nous discutons d'apparition de I'cffet Stark dynamique en speetroscopie CARS resonantc. pour un milieu tlargi de f a~o n homogene. Nous utilisons un systbme a quatre niveaux cn interaction avec trois ehamps monochromatiques de frCqucnces difftrentes. Nous obtenons les equations de la matricc densitt dans un rtftrentiel tournant ct les rCsolvons numtriquement en rtgime stationnairc. Pour cinq cas, nous dtrivons des cxprcssions analytiqucs qui dtmontrent un dtdoublement ou un Clargisscment dc la raie CARS. Lcs dtplaccmcnts de la raie dus h dcs champs intcnscs et nonrtsonants sont discutts.

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“…For η 0 ≥ 0.3, nearby sidebands acquire an additional structure, which actually becomes a "double-peak" at higher intensities. Its origin can be attributed to the ponderomotive energy and AC Stark shifts [60][61][62][63].…”

Section: A General Appearance Of Sidebandsmentioning

confidence: 99%

Above-threshold ionization in neon produced by combining optical and bichromatic XUV femtosecond laser pulses

2017

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We consider the ionization of neon induced by a femtosecond laser pulse composed of overlapping, linearly polarized bichromatic extreme ultraviolet and infrared fields. In particular, we study the effects of the infrared light on a two-pathway ionization scheme for which Ne 2s 2 2p 5 3s 1 P is used as intermediate state. Using time-dependent calculations, supported by a theoretical approach based on the strong-field approximation, we analyze the ionization probability and the photoelectron angular distributions associated with the different sidebands of the ionization spectrum. Complex oscillations of the angular distribution anisotropy parameters as a function of the infrared light intensity are revealed. Finally, we demonstrate that coherent control of the asymmetry is achievable by tuning the infrared frequency to a nearby electronic transition.

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ac Stark effect in multiphoton ionization

Cited by 46 publications

References 8 publications

Observation of coherence transfer by electron-electron correlation

Observation of coherence transfer by electron-electron correlation

The occurrence of the dynamic Stark effect in resonant CARS spectroscopy of a homogeneous medium

Above-threshold ionization in neon produced by combining optical and bichromatic XUV femtosecond laser pulses

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