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Quantum Interferometry in Multi-mode Systems by Chwedenczuk, J. is a scholarly article available to read on EtoBox.

What is Quantum Interferometry in Multi-mode Systems about?

We consider the situation when the signal propagating through each arm of an interferometer has a complicated multi-mode structure. We find the relation between the particle-entanglement and the possibility to surpass the shot-noise limit of the phase estimation. Our results are general---they apply to pure and mixed states of identical and distinguishable particles (or combinations of both), for a fixed and fluctuating number of particles. We also show that the method for detecting the entanglement often used in two-mode system can give misleading results when applied to the multi-mode case.

Author

Chwedenczuk, J.

Published

2017

Language

EN