Information transfer through a one-atom micromaser
arXiv:quant-ph/0307207 · doi:10.1209/epl/i2004-10138-1
Abstract
We consider a realistic model for the one-atom micromaser consisting of a cavity maintained in a steady state by the streaming of two-level Rydberg atoms passing one at a time through it. We show that it is possible to monitor the robust entanglement generated between two successive experimental atoms passing through the cavity by the control decoherence parameters. We calculate the entanglement of formation of the joint two-atom state as a function of the micromaser pump parameter. We find that this is in direct correspondence with the difference of the Shannon entropy of the cavity photons before and after the passage of the atoms for a reasonable range of dissipation parameters. It is thus possible to demonstrate information transfer between the cavity and the atoms through this set-up.
Revtex, 5 pages, 2 encapsulated ps figures; added discussion on information transfer in relation with cavity photon statistics; typos corrected; Accepted for Publicaiton in Europhysics Letters
References in corpus (15)
- Entanglement of Formation of an Arbitrary State of Two Qubits
- Long-distance quantum communication with atomic ensembles and linear optics
- Entanglement of a Pair of Quantum Bits
- Creation of entangled states of distant atoms by interference
- Cavity Loss Induced Generation of Entangled Atoms
- Creation of Entanglement by Interaction with a Common Heat Bath
- Proposal for teleportation of an atomic state via cavity decay
- Efficient engineering of multi-atom entanglement through single-photon detections
- Strong-driving-assisted multipartite entanglement in cavity QED
- Entangled state preparation via dissipation-assisted adiabatic passages
- Quasi-deterministic generation of entangled atoms in a cavity
- Entangling many atomic ensembles through laser manipulation
- Quantum Computing in a Macroscopic Dark Period
- Solvable model of a strongly-driven micromaser
- Aspects of nonlocality in atom-photon interactions in a cavity
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- A Revisit to Non-maximally Entangled Mixed States: Teleportation Witness, Noisy Channel and Discord