Quantum locking of mirrors in interferometers

Details Quantum locking of mirrors in interferometers Quantum locking of mirrors in interferometers

2002-12-19

arxiv.org/abs/gr-qc/0212081v2

Phys.Rev.Lett. 90 (2003) 083601

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

4 pages, 2 figures, RevTeX

Scientific paper

10.1103/PhysRevLett.90.083601

We show that quantum noise in very sensitive interferometric measurements such as gravitational-waves detectors can be drastically modified by quantum feedback. We present a new scheme based on active control to lock the motion of a mirror to a reference mirror at the quantum level. This simple technique allows to reduce quantum effects of radiation pressure and to greatly enhance the sensitivity of the detection.

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