Quantum measurements of position, detection of weak classical forces, and interferometric noise
Abstract
Quantum measurements of position and repeated-measurement schemes for monitoring free-mass position to an arbitrary accuracy are discussed. Using these schemes, weak classical forces can be monitored to an arbitrary accuracy. To illustrate various measurement uncertainties and intrinsic uncertainties, the case of a Michelson interferometer is considered. In the low-intensity limit, two measurement uncertainties, photon counting error and radiation pressure error, are independent of the intrinsic uncertainty. The uses of squeezed states and number eigen states are discussed.
- Publication:
-
IEEE Transactions on Instrumentation Measurement
- Pub Date:
- June 1987
- DOI:
- 10.1109/TIM.1987.6312664
- Bibcode:
- 1987ITIM...36..181N
- Keywords:
-
- Metrology;
- Michelson Interferometers;
- Position Sensing;
- Quantum Theory;
- Weak Interactions (Field Theory);
- Accuracy;
- Errors;
- Photons;
- Radiation Pressure;
- Squeezed States (Quantum Theory);
- Instrumentation and Photography