Publication Date:
2017-12-05
Description:
Author(s): Christos N. Gagatsos, Boulat A. Bash, Saikat Guha, and Animesh Datta We consider the problem of estimating an unknown but constant carrier phase modulation θ using a general, possibly entangled, n -mode optical probe through n independent and identical uses of a lossy bosonic channel with additive thermal noise. We find an upper bound to the quantum Fisher information... [Phys. Rev. A 96, 062306] Published Mon Dec 04, 2017
Keywords:
Quantum information
Print ISSN:
1050-2947
Electronic ISSN:
1094-1622
Topics:
Physics