Title :
Ultimate limits to quantum-enhanced optical phase tracking
Author :
Berry, Dominic W. ; Hall, Michael J. W. ; Wiseman, H.M.
Author_Institution :
Dept. of Phys. & Astron., Macquarie Univ., Sydney, NSW, Australia
Abstract :
We use the quantum Fisher information to show the ultimate limit to the accuracy of measurement of a fluctuating phase with a squeezed state. This measurement accuracy is achievable using an adaptive phase measurement.
Keywords :
optical squeezing; optical tracking; optical variables measurement; adaptive phase measurement; quantum Fisher information; quantum-enhanced optical phase tracking; squeezed state; Accuracy; Atmospheric measurements; Extraterrestrial measurements; Optical variables measurement; Particle measurements; Phase measurement; Quantum computing;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
