Direct measurement of quasiprobabilities in lossy cavities

  • Raúl Juárez-Amaro
  • Héctor Moya-Cessa


We show that the state of an electromagnetic field in a lossy cavity can be directly reconstructed by means of a simple scheme, allowing complete knowledge of the state of the field despite dissipation.


quasiprobabilities measuring the wave function 


42.50.Dv 03.65.Ta 


Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.


  1. 1.
    L.G. Lutterbach and L. Davidovich, Phys. Rev. Lett. 78 (1997) 2547.CrossRefADSGoogle Scholar
  2. 2.
    H. Moya-Cessa, S.M. Dutra, J.A. Roversi and A. Vidiella-Barranco, J. Mod. Optics 46 (1999) 555; H. Moya-Cessa, J.A. Roversi, S.M. Dutra and A. Vidiella-Barranco, Phys. Rev. A 60 (1999) 4029.ADSGoogle Scholar
  3. 3.
    P.J. Bardroff, C. Leichtle, G. Scrhade and W.P. Schleich, Phys. Rev. Lett. 77 (1996) 2198.CrossRefADSGoogle Scholar
  4. 4.
    D.T. Smithey, M. Beck, M.G. Raimer and A. Faradini, Phys. Rev. Lett. 70 (1993) 1244; G. Breitenbach, S. Schiller and J. Mlynek, Nature 387 (1997) 471.CrossRefADSGoogle Scholar
  5. 5.
    J.G. Peixoto de Faria and M.C. Nemes, Phys. Rev. A 59 (1999) 3918.CrossRefADSGoogle Scholar
  6. 7.
    H. Moya-Cessa and P.L. Knight, Phys. Rev. A 48 (1993) 2479.CrossRefADSGoogle Scholar
  7. 8.
    W. Vogel and D.-G. Welsch, Lectures on Quantum Optics, Akademie Verlag GmbH, Berlin, 1994.Google Scholar

Copyright information

© Akadémiai Kiadó 2004

Authors and Affiliations

  • Raúl Juárez-Amaro
    • 1
    • 2
  • Héctor Moya-Cessa
    • 2
  1. 1.Universidad Tecnológica de la MixtecaHuajuapan de LeónMexico
  2. 2.Instituto Nacional de AstrofísicaOptica y ElectrónicaPueblaMexico

Personalised recommendations