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Multidimensional quantum information based on single-photon temporal wavepackets
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DOI：10.1364/OE.20.029174.png)
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Abstract
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We propose a multidimensional quantum information encoding approach based on temporal modulation of single photons, where the Hilbert space can be spanned by an in-principle infinite set of orthonormal temporal profiles. We analyze two specific realizations of such modulation schemes, and show that error rate per symbol can be smaller than 1% for practical implementations. Temporal modulation may enable multidimensional quantum communication over the existing fiber optical infrastructure, as well as provide an avenue for probing high-dimensional entanglement approaching the continuous limit. (C) 2012 Optical Society of America
Keywords:
BELL INEQUALITY
TIME
ENTANGLEMENT
INTERFERENCE
MOMENTUM
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