Noiseless optical amplifier operating on hundreds of spatial modes.

@article{Corzo2012NoiselessOA,
  title={Noiseless optical amplifier operating on hundreds of spatial modes.},
  author={Neil V. Corzo and Alberto M. Marino and Katherine Martha May. Jones and Paul D. Lett},
  journal={Physical review letters},
  year={2012},
  volume={109 4},
  pages={
          043602
        }
}
We implement a noiseless optical amplifier using a phase-sensitive four-wave mixing process in rubidium vapor. We observe performance near the quantum limit for this type of amplifier over a range of experimental parameters and show that the noise figure is always better than would be obtained with a phase-insensitive amplifier with the same gain. Additionally, we observe that the amplifier supports hundreds of spatial modes, making it possible to amplify complex two-dimensional spatial… CONTINUE READING

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