Extra phase noise from thermal fluctuations in non-linear optical crystals

@article{Coelho2009ExtraPN,
  title={Extra phase noise from thermal fluctuations in non-linear optical crystals},
  author={A. S. Coelho and Jes{\'u}s Santamar{\'i}a C{\'e}sar and Katiuscia Nadyne Cassemiro and Alessandro S. Villar and Paulo Nussenzveig and Marcelo Marchesi Martinelli},
  journal={CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference},
  year={2009},
  pages={1-1}
}
  • A. S. Coelho, Jesús Santamaría César, +3 authors Marcelo Marchesi Martinelli
  • Published 2009
  • Physics
  • CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference
  • Recent experiments with Optical Parametric Oscillators have shown [1–3] that an unpredicted extra noise on the phase of the fields reduces the level of squeezing or quantum correlations. In some cases, it can hinder the attempts to observe entanglement in those systems [4]. It is probably the main reason why signal and idler entanglement above threshold remained unobserved by almost 20 years after its prediction [5]. 

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