Session Q5: Quantum Cryptography and Communication

1:30 PM–3:54 PM, Friday, June 8, 2007
TELUS Convention Centre - Macleod A3-A4

Chair: G. Weihs, University of Waterloo

Abstract ID: BAPS.2007.DAMOP.Q5.5

Abstract: Q5.00005 : Experimental Raman adiabatic transfer of optical states in rubidium

2:18 PM–2:30 PM

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Authors:

  J\"urgen Appel
    (University of Calgary)

  Eden Figueroa
    (University of Calgary)

  Frank Vewinger
    (University of Bonn)

  Karl-Peter Marzlin
    (University of Calgary)

  Alexander Lvovsky
    (University of Calgary)

An essential element of a quantum optical communication network is a tool for transferring and/or distributing quantum information between optical modes (possibly of different frequencies) in a loss- and decoherence-free fashion. We present a theory [1] and an experimental demonstration [2] of a protocol for routing and frequency conversion of optical quantum information via electromagnetically-induced transparency in an atomic system with multiple excited levels. Transfer of optical states between different signal modes is implemented by adiabatically changing the control fields. The proof-of-principle experiment is performed using the hyperfine levels of the rubidium D1 line. [1] F. Vewinger, J. Appel, E. Figueroa, A. I. Lvovsky, quant-ph/0611181 [2] J. Appel, K.-P. Marzlin, A. I. Lvovsky, Phys. Rev. A \textbf{73}, 013804 (2006)

To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2007.DAMOP.Q5.5