DocumentCode
1691359
Title
Universality of the Heisenberg limit for estimates of random phase shifts
Author
Hall, Michael J W ; Berry, Dominic W. ; Zwierz, Marcin ; Wiseman, Howard M.
Author_Institution
Centre for Quantum Comput. & Commun. Techology, Griffith Univ., Brisbane, QLD, Australia
fYear
2012
Firstpage
1
Lastpage
2
Abstract
Recent work has suggested that it is possible to perform phase measurements more accurately than the Heisenberg limit. We show that, when one averages over random phase shifts, the Heisenberg limit is universal.
Keywords
optical variables measurement; phase measurement; quantum optics; Heisenberg limit; Universality of the Heisenberg; phase measurements; random phase shifts; Australia; Educational institutions; Optical sensors; Phase measurement; Photonics; Probes; Quantum computing;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location
San Jose, CA
Print_ISBN
978-1-4673-1839-6
Type
conf
Filename
6327089
Link To Document