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Quantum Noise Reduction of the Pump Field in an Optical Parametric Oscillator

In: Quantum Communication, Computing, and Measurement

Author

Listed:
  • Katsuyuki Kasai

    (Ministry of Posts & Telecommunications, Communications Research Laboratory)

  • Gao Jiangrui

    (Shanxi University, Opto-Electronics Institute)

  • Ling-An Wu

    (Academia Sinica, Institute of Physics)

  • Claude Fabre

    (Université P.M.Curie, Laboratoire Kastler Brossel de l’Ecole Normale Supérieure)

Abstract

Quantum noise properties of the pump field in an Optical Parametric Oscillator (OPO) are experimentally studied. We constructed a cw semimonolithic KTP triply resonant OPO, which had an extremely low oscillation threshold of 0.4 mW. The pump beam reflected back from this OPO is squeezed through strong parametric interactions. The observed intensity noise quickly changes in the bistable region of the OPO when the cavity length is scanned, and a quantum noise reduction of 24% is preliminarily demonstrated.

Suggested Citation

  • Katsuyuki Kasai & Gao Jiangrui & Ling-An Wu & Claude Fabre, 1997. "Quantum Noise Reduction of the Pump Field in an Optical Parametric Oscillator," Springer Books, in: O. Hirota & A. S. Holevo & C. M. Caves (ed.), Quantum Communication, Computing, and Measurement, pages 439-444, Springer.
    • Handle: RePEc:spr:sprchp:978-1-4615-5923-8_47
    DOI: 10.1007/978-1-4615-5923-8_47
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