Linear optical realization of universal unambiguous discrimination of quantum state | Zendy

Qing Lin | Zendy

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Linear optical realization of universal unambiguous discrimination of quantum state

Author(s) -

Qing Lin

Publication year - 2009

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.58.5978

Subject(s) - realization (probability) , scheme (mathematics) , photon , quantum cryptography , coincidence , physics , computer science , state (computer science) , quantum mechanics , cryptography , quantum , quantum information , algorithm , mathematics , medicine , mathematical analysis , statistics , alternative medicine , pathology

In this letter, we propose an experimental scheme of universal unambiguous discrimination with only linear optical elements and the coincidence measurements. In addition, a modified scheme is presented to increase the success probability with ancillary photons. This scheme is feasible by current experimental technology and may be used in quantum cryptography.

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