Back-action cancellation in interferometers by quantum locking
arXiv:gr-qc/0301068 · doi:10.1209/epl/i2003-00527-x
Abstract
We show that back-action noise in interferometric measurements such as gravitational-waves detectors can be completely suppressed by a local control of mirrors motion. An optomechanical sensor with an optimized measurement strategy is used to monitor mirror displacements. A feedback loop then eliminates radiation-pressure effects without adding noise. This very efficient technique leads to an increased sensitivity for the interferometric measurement, which becomes only limited by phase noise. Back-action cancellation is furthermore insensitive to losses in the interferometer.
4 pages, 3 figures, RevTeX
References in corpus (8)
- Conversion of conventional gravitational-wave interferometers into QND interferometers by modifying their input and/or output optics
- Cooling of a mirror by radiation pressure
- Quantum limits in interferometric measurements
- Quantum limits of cold damping with optomechanical coupling
- Full mechanical characterization of a cold damped mirror
- Quantum locking of mirrors in interferometers
- Quantum theory of fluctuations in a cold damped accelerometer
- Optomechanical tailoring of quantum fluctuations
Cited by in corpus (7)
- Phenomenology of amplitude-corrected post-Newtonian gravitational waveforms for compact binary inspiral. I. Signal-to-noise ratios
- Coherent versus measurement feedback: Linear systems theory for quantum information
- Improving the sensitivity to gravitational-wave sources by modifying the input-output optics of advanced interferometers
- Increasing future gravitational-wave detectors sensitivity by means of amplitude filter cavities and quantum entanglement
- Noise reduction in gravitational wave interferometers using feedback
- Beating quantum limits in interferometers with quantum locking of mirrors
- Geometric control theory for quantum back-action evasion