Time-bin-to-polarization conversion of ultrafast photonic qubits

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DOIResolve DOI: http://doi.org/10.1103/PhysRevA.96.053812
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TypeArticle
Journal titlePhysical Review A
ISSN2469-9926
2469-9934
Volume96
Issue5
AbstractThe encoding of quantum information in photonic time-bin qubits is apt for long-distance quantum communication schemes. In practice, due to technical constraints such as detector response time, or the speed with which copolarized time-bins can be switched, other encodings, e.g., polarization, are often preferred for operations like state detection. Here, we present the conversion of qubits between polarization and time-bin encodings by using a method that is based on an ultrafast optical Kerr shutter and attain efficiencies of 97% and an average fidelity of 0.827±0.003 with shutter speeds near 1 ps. Our demonstration delineates an essential requirement for the development of hybrid and high-rate optical quantum networks.
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PublisherAmerican Physical Society
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LanguageEnglish
AffiliationSecurity and Disruptive Technologies; National Research Council Canada
Peer reviewedYes
NPARC number23002477
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Record identifiere7d36e95-6cce-444d-9d80-41beda958594
Record created2017-11-15
Record modified2017-11-15
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