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Comparative Study
. 2012 Nov 19;20(24):26895-905.
doi: 10.1364/OE.20.026895.

Non-classical interference in integrated 3D multiports

Thomas Meany  1 , Michael Delanty, Simon Gross, Graham D Marshall, M J Steel, Michael J Withford
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Free article
Comparative Study

Non-classical interference in integrated 3D multiports

Thomas Meany et al. Opt Express. .
Free article

Abstract

We demonstrate three and four input multiports in a three dimensional glass platform, fabricated using the femtosecond laser direct-write technique. Hong-Ou-Mandel (HOM) interference is observed and a full quantum characterization is performed, obtaining two photon correlation matrices for all combinations of input and output ports. For the 3-port case, the quantum visibilities are accurately predicted solely from measurement of the classical coupling ratios.

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