Observation of the Resonant Stark Effect at Optical Frequencies

Schuda, Felix; Stroud, C. R.; Hercher, Michael

doi:10.1016/b978-0-08-029160-4.50025-7

Cited by 13 publications

(15 citation statements)

References 15 publications

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“…The results agreed with those in the physics literature, both theoretical 17 and experimental. 21 A different result on the existence of scattering operators in the context of quantum stochastic calculus is found in Ref. 5.…”

Section: A Scattering Theory For Markov Chains 163mentioning

confidence: 97%

A Scattering Theory for Markov Chains

Kümmerer

Maassen

2000

Infin. Dimens. Anal. Quantum. Probab. Relat. Top.

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Section: A Scattering Theory For Markov Chains 163mentioning

confidence: 97%

A Scattering Theory for Markov Chains

Kümmerer

Maassen

2000

Infin. Dimens. Anal. Quantum. Probab. Relat. Top.

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“…Resonance fluorescence arises from the interaction of an optical field with a two-level system and has played a fundamental role in the development of quantum optics and its applications. Despite its conceptual simplicity it entails a wide range of intriguing phenomena, such as the Mollow-triplet emission spectrum [1], photon antibunching [2] and coherent photon emission [3]. One fundamental aspect of resonance fluorescence, reduced quantum fluctuations in the single photon stream from an atom in free space, was predicted more than 30 years ago [4].…”

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confidence: 99%

Quadrature squeezed photons from a two-level system

Schulte

Hansom

Jones

et al. 2015

Nature

117

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Resonance fluorescence arises from the interaction of an optical field with a two-level system, and has played a fundamental role in the development of quantum optics and its applications. Despite its conceptual simplicity, it entails a wide range of intriguing phenomena, such as the Mollow-triplet emission spectrum, photon antibunching and coherent photon emission. One fundamental aspect of resonance fluorescence--squeezing in the form of reduced quantum fluctuations in the single photon stream from an atom in free space--was predicted more than 30 years ago. However, the requirement to operate in the weak excitation regime, together with the combination of modest oscillator strength of atoms and low collection efficiencies, has continued to necessitate stringent experimental conditions for the observation of squeezing with atoms. Attempts to circumvent these issues had to sacrifice antibunching, owing to either stimulated forward scattering from atomic ensembles or multi-photon transitions inside optical cavities. Here, we use an artificial atom with a large optical dipole enabling 100-fold improvement of the photon detection rate over the natural atom counterpart and reach the necessary conditions for the observation of quadrature squeezing in single resonance-fluorescence photons. By implementing phase-dependent homodyne intensity-correlation detection, we demonstrate that the electric field quadrature variance of resonance fluorescence is three per cent below the fundamental limit set by vacuum fluctuations, while the photon statistics remain antibunched. The presence of squeezing and antibunching simultaneously is a fully non-classical outcome of the wave-particle duality of photons.

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“…INTRODUCTION ESONANCE fluorescence, i.e., resonant absorption R and emission of photons by an atom, has been studied for a long time [ 11- [3]. Novel phenomena occur when the atomic transition is saturated with an intense, quasi-resonant laser beam: triplet structure of the fluorescence spectrum [4]- [6], temporal antibunching of the fluorescence photons [6]- [7], sub-Poissonian statistics [8], etc. The possibility of trapping a single ion has recently opened the way to new developments.…”

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Photon statistics and quantum jumps: the picture of the dressed atom radiative cascade

Reynaud

Dalibard

Cohen‐Tannoudji

1988

IEEE J. Quantum Electron.

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The statistics of spontaneous photons emission times in single atom resonance fluorescence are investigated through the radiative cascade of the dressed atom. We calculate the delay function which gives the distribution of the delays between two successive emissions for a coherent as well as an incoherent laser excitation. For a two-level atom, we review in this way various signals concerning the fluorescence intensity (average value, photon counting, fluctuations spectrum, etc.). For a three-level atom, this approach is applied to the analysis of the recently observed phenomenon of intermittent fluorescence and quantum jumps.

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Observation of the Resonant Stark Effect at Optical Frequencies

Cited by 13 publications

References 15 publications

A Scattering Theory for Markov Chains

A Scattering Theory for Markov Chains

Quadrature squeezed photons from a two-level system

Photon statistics and quantum jumps: the picture of the dressed atom radiative cascade

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