Engineering the indistinguishability and entanglement of two photons

D. Branning; W. P. Grice; R. Erdmann; I. A. Walmsley

doi:10.1103/PhysRevLett.83.955

Engineering the indistinguishability and entanglement of two photons

D. Branning, W. P. Grice, R. Erdmann, I. A. Walmsley

Research output: Contribution to journal › Article › peer-review

84 Scopus citations

Abstract

We present a novel interferometric technique for suppressing distinguishing information in the space-time component of the state vector of an entangled pair of photons by providing two indistinguishable ways for each photon to occupy any given space-time mode. We demonstrate this method by using spontaneous parametric down-conversion to generate a pair of photons in the state with the least distinguishing information consistent with the set of modes available. The technique also allows the preparation of the two photons in a highly entangled space-time state provided certain criteria are met.

Original language	English
Pages (from-to)	955-958
Number of pages	4
Journal	Physical Review Letters
Volume	83
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevLett.83.955
State	Published - Jan 1 1999
Externally published	Yes

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10.1103/PhysRevLett.83.955

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Engineering the indistinguishability and entanglement of two photons

Abstract

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