Coherent quantum-noise cancellation for optomechanical sensors.

  title={Coherent quantum-noise cancellation for optomechanical sensors.},
  author={Mankei Tsang and Carlton M. Caves},
  journal={Physical review letters},
  volume={105 12},
Using a flow chart representation of quantum optomechanical dynamics, we design coherent quantum-noise-cancellation schemes that can eliminate the backaction noise induced by radiation pressure at all frequencies and thus overcome the standard quantum limit of force sensing. The proposed schemes can be regarded as novel examples of coherent feedforward quantum control. 
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