Ancilla-assisted quantum process tomography

J. B. Altepeter, D. Branning, E. Jeffrey, T. C. Wei, P. G. Kwiat, R. T. Thew, J. L. O'Brien, M. A. Nielsen, A. G. White

Research output: Contribution to journalArticlepeer-review

Abstract

An overview is given of optical implementations of of SQPT, EAPT, and nonentangled AAPT for a variety of processes, including unitary, decohering, and non-trace-preserving operations. A theoretical result completely characterizing the class of states usable for AAPT is discussed.

Original languageEnglish (US)
Article number193601
Pages (from-to)193601/1-193601/4
JournalPhysical review letters
Volume90
Issue number19
StatePublished - May 16 2003

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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