|
| related topics |
| {level, atom, field} |
| {light, field, probe} |
| {state, states, coherent} |
| {time, wave, function} |
| {time, decoherence, evolution} |
| {equation, function, exp} |
| {phase, path, phys} |
|
Atom in a coherently controlled squeezed vacuum
Itay Rabinak, Eran Ginossar, Shimon Levit
abstract: A broadband squeezed vacuum photon field is characterized by a complex
squeezing function. We show that by controlling the wavelength dependence of
its phase it is possible to change the dynamics of the atomic polarization
interacting with the squeezed vacuum. Such a phase modulation effectively
produces a finite range temporal interaction kernel between the two quadratures
of the atomic polarization yielding the change in the decay rates as well as
the appearance of additional oscillation frequencies. We show that decay rates
slower than the spontaneous decay rate can be achieved even for a squeezed bath
in the classic regime. For linear and quadratic phase modulations the power
spectrum of the scattered light exhibits narrowing of the central peak due to
the modified decay rates. For strong phase modulations side lobes appear
symmetrically around the central peak reflecting additional oscillation
frequencies.
- oai_identifier:
- oai:arXiv.org:quant-ph/0610150
- categories:
- quant-ph
- comments:
- 4 pages, 4 figures
- doi:
- 10.1103/PhysRevA.76.013821
- arxiv_id:
- quant-ph/0610150
- journal_ref:
- Phys. Rev. A 76 013821 (2007)
- created:
- 2006-10-18
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