Observation of back-action cancellation in interferometric and weak force measurements

Details Observation of back-action cancellation in interferometric and weak force measurements Observation of back-action cancellation in interferometric and weak force measurements

2007-06-14

arxiv.org/abs/0706.2036v1

Phys.Rev.Lett.99:110801,2007

Physics

Quantum Physics

Scientific paper

10.1103/PhysRevLett.99.110801

We experimentally demonstrate a cancellation of back-action noise in optical measurements. Back-action cancellation was first proposed within the framework of gravitational-wave detection by dual resonators as a way to drastically improve their sensitivity. We have developed an experiment based on a high-finesse Fabry-Perot cavity to study radiation-pressure effects in ultra-sensitive displacement measurements. Using an intensity-modulated intracavity field to mimic the quantum radiation-pressure noise, we report the first observation of back-action cancellation due to a destructive interference between radiation-pressure effects on both mirrors of the cavity. We have observed a sensitivity improvement by a factor larger than 20 both in displacement and weak force measurements.

Affiliated with

Also associated with

No associations

Rating

Observation of back-action cancellation in interferometric and weak force measurements does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Observation of back-action cancellation in interferometric and weak force measurements, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Observation of back-action cancellation in interferometric and weak force measurements will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-330501