4.8 Article

Coherent Quantum-Noise Cancellation for Optomechanical Sensors

Journal

PHYSICAL REVIEW LETTERS
Volume 105, Issue 12, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.105.123601

Keywords

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Funding

  1. NSF [PHY-0903953, PHY-0653596]
  2. ONR [N00014-07-1-0304]
  3. Direct For Mathematical & Physical Scien
  4. Division Of Physics [0903953] Funding Source: National Science Foundation
  5. Direct For Mathematical & Physical Scien
  6. Division Of Physics [1005540] Funding Source: National Science Foundation

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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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