2010/01/31 by Anne E. B. Nielsen, Klaus Mølmer · 2 citations
Computer Science · Engineering · Physics and Astronomy · #Computer science #Multi-mode optical fiber #Optical fiber #Optics #Optoelectronics #Photonic and Optical Devices #Photonics #Physics #Quantum #Quantum Information and Cryptography #Quantum information processing #Quantum mechanics #Quantum optics and atomic interactions #quant-ph
paper · pdf · doi:10.1103/physreva.81.043822
published as Phys. Rev. A 81, 043822 (2010) · 5 pages, 4 figures
arxiv created 2010/03/17 · openalex publication_date 2010/04/15 · arxiv updated 2010/04/16 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
We propose the implementation of a light source that can deterministically generate a rich variety of multimode quantum states. The desired states are encoded in the collective population of different ground hyperfine states of an atomic ensemble and converted to multimode photonic states by excitation to optically excited levels followed by cooperative spontaneous emission. Among our examples of applications, we demonstrate how two-photon-entangled states can be prepared and implemented in a protocol for a reference-frame-free quantum key distribution and how one-dimensional as well as higher-dimensional cluster states can be produced.