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Absorption spectrum of a strongly driven atom in a detuned squeezed vacuum
Bosticky, M., Ficek, Z. and Dalton, B. J. (1999) Absorption spectrum of a strongly driven atom in a detuned squeezed vacuum. Journal of Optics B-quantum And Semiclassical Optics, 1 4: 433-441.
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| Author(s) |
Bosticky, M.
Ficek, Z.
Dalton, B. J.
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| Title |
Absorption spectrum of a strongly driven atom in a detuned squeezed vacuum
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| Journal name |
Journal of Optics B-quantum And Semiclassical Optics
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| Publication date |
1999
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| Volume number |
1
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| Issue number |
4
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| ISSN |
1464-4266
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| Start page |
433
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| End page |
441
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| Total pages |
9
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| Place of publication |
UK
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| Publisher |
Institute of Physics
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| Collection year |
1999
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| Language |
eng
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| Subject |
C1
780102 Physical sciences
240402 Quantum Optics and Lasers
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| Abstract |
We present numerical and analytical results for the Mollow probe absorption spectrum of a coherently driven two-level system in a narrow bandwidth squeezed vacuum field. The spectra are calculated for the case where the Rabi frequency of the driving field is much larger than the natural linewidth and the squeezed vacuum carrier frequency is detuned from the driving laser frequency. The driving laser is on resonance. We show that in a detuned squeezed vacuum the standard Mellow features are each split into triplets. The central components of each triplet are weakly dependent on the squeezing phase but the sidebands strongly depend on the phase and can have dispersive or absorptive/emissive profiles. We also derive approximate analytical expressions for the spectral features and find that the multi-peak structure of the spectrum can be interpreted either via the eigenfrequencies of a generalized Floquet Hamiltonian or in terms of three-photon transitions between dressed stales involving a probe field photon and a correlated photon pair from the squeezed vacuum field.
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| Keyword(s) |
Optics
Physics, Applied
Absorption Spectrum
Squeezed Vacuum Field
Anomalous Resonance Fluorescence
Damped Quantum-systems
2-level Atom
Finite-bandwidth
Phase Decays
Spontaneous Emission
Light
Inhibition
Transparency
Output
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