The role of auxiliary states in state discrimination with linear optical evices

6533b7d1fe1ef96bd125cdc5

RESEARCH PRODUCT

The role of auxiliary states in state discrimination with linear optical evices

subject

Physics Set (abstract data type)Quantum Physics Photon Transformation (function)Physics::Optics FOS: Physical sciences Statistical physics State (functional analysis)Photon states quantum optics Quantum Physics (quant-ph)Optical linear element Atomic and Molecular Physics and Optics

description

The role of auxiliary photons in the problem of identifying a state secretly chosen from a given set of L-photon states is analyzed. It is shown that auxiliary photons do not increase the ability to discriminate such states by means of a global measurement using only optical linear elements, conditional transformation and auxiliary photons.

year	journal	country	edition	language
2001-06-07

https://dx.doi.org/10.48550/arxiv.quant-ph/0106041

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