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

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DOI	Resolve DOI: https://doi.org/10.1103/PhysRevA.96.053812
Author	Search for: Kupchak, Connor¹; Search for: Bustard, Philip J.¹; Search for: Heshami, Khabat¹; Search for: Erskine, Jennifer¹; Search for: Spanner, Michael¹; Search for: England, Duncan G.¹; Search for: Sussman, Benjamin J.¹
Name affiliation	National Research Council of Canada. Security and Disruptive Technologies
Format	Text, Article
Abstract	The 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.
Publication date	2017-11
Publisher	American Physical Society
In	Physical Review A 96, no. 5.
Other format	Time-bin-to-polarization conversion of ultrafast photonic qubits. https://arxiv.org/abs/1708.07145.
Language	English
Peer reviewed	Yes
NPARC number	23002477
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Record identifier	e7d36e95-6cce-444d-9d80-41beda958594
Record created	2017-11-15
Record modified	2020-05-30

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Date modified:: 2023-03-27