2008/12/21 by Anne E. B. Nielsen, Uffe V. Poulsen, Antonio Negretti +2 · 11 citations
Mathematics · Physics and Astronomy · #Atomic and Subatomic Physics Research #Atomic physics #Coherent states #Cold Atom Physics and Bose-Einstein Condensates #Field (mathematics) #Hamiltonian (control theory) #Laser #Light field #Master equation #Mathematics #Optical cavity #Optics #Physics #Quantum #Quantum mechanics #Quantum optics #Quantum optics and atomic interactions #Superposition principle #quant-ph
paper · pdf · doi:10.1103/physreva.79.023841
published in Physical Review A 79(2) (American Physical Society) · 10 pages, 9 figures
arxiv created 2008/12/21 · openalex publication_date 2009/02/27 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
We analyze the performance of a protocol to prepare an atomic ensemble in a superposition of two macroscopically distinguishable states. The protocol relies on conditional measurements performed on a light field, which interacts with the atoms inside an optical cavity prior to detection, and we investigate cavity enhanced probing with continuous beams of both coherent and squeezed light. The stochastic master equations used in the analysis are expressed in terms of the Hamiltonian of the probed system and the interaction between the probed system and the probe field and are thus quite generally applicable.