Demonstration of a Polarization-encoding Quantum Key Distribution System Article Swipe

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Sara T. Mantey , Mariana F. Ramos , Nuno A. Silva , Armando N. Pinto , Nelson J. Muga ·

YOU? · · 2022 · Open Access · · DOI: https://doi.org/10.5753/wquantum.2022.223562

In this work, a fully functional polarization-encoding quantum key distribution system (QKD) is demonstrated. At the transmitter side, the polarization states are prepared using an algorithm to determine the voltages to be applied on the electronic polarization controller (EPC), to generate up to four polarization states. At the receiver, a second EPC is used to perform the basis alignment. The symbol synchronization is achieved using a reference optical signal that is wavelength division multiplexed with the quantum signal which carries the polarization-encoded qubit. Frame synchronization is achieved at a protocol level. The presented QKD system works at a repetition rate of 500 Hz, with an average quantum bit error rate of 1.35%.

Related Topics

Quantum Key Distribution

Computer Science

Transmitter

Quantum

Electronic Engineering

Concepts

Quantum key distribution Qubit Computer science Polarization controller Transmitter Polarization (electrochemistry) Bit error rate Quantum Electronic engineering Physics Optics Photon Telecommunications Decoding methods Optical fiber Engineering Quantum mechanics Physical chemistry Fiber laser Channel (broadcasting) Chemistry

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Type: article
Language: en
Landing Page: https://doi.org/10.5753/wquantum.2022.223562
PDF: https://sol.sbc.org.br/index.php/wquantum/article/download/21495/21319
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References: 17
Related Works: 10
OpenAlex ID: https://openalex.org/W4313146194

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DOI: https://doi.org/10.5753/wquantum.2022.223562

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Title: Demonstration of a Polarization-encoding Quantum Key Distribution System

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Language: en

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Publication year: 2022

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Publication date: 2022-05-23

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Authors: Sara T. Mantey, Mariana F. Ramos, Nuno A. Silva, Armando N. Pinto, Nelson J. Muga

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Landing page: https://doi.org/10.5753/wquantum.2022.223562

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Concepts: Quantum key distribution, Qubit, Computer science, Polarization controller, Transmitter, Polarization (electrochemistry), Bit error rate, Quantum, Electronic engineering, Physics, Optics, Photon, Telecommunications, Decoding methods, Optical fiber, Engineering, Quantum mechanics, Physical chemistry, Fiber laser, Channel (broadcasting), Chemistry

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abstract_inverted_index.algorithm	25
abstract_inverted_index.determine	27
abstract_inverted_index.presented	92
abstract_inverted_index.receiver,	48
abstract_inverted_index.reference	66
abstract_inverted_index.alignment.	58
abstract_inverted_index.controller	37
abstract_inverted_index.electronic	35
abstract_inverted_index.functional	5
abstract_inverted_index.repetition	98
abstract_inverted_index.wavelength	71
abstract_inverted_index.multiplexed	73
abstract_inverted_index.transmitter	16
abstract_inverted_index.distribution	9
abstract_inverted_index.polarization	19, 36, 44
abstract_inverted_index.demonstrated.	13
abstract_inverted_index.synchronization	61, 84
abstract_inverted_index.polarization-encoded	81
abstract_inverted_index.polarization-encoding	6
cited_by_percentile_year
countries_distinct_count	1
institutions_distinct_count	5
sustainable_development_goals[0].id	https://metadata.un.org/sdg/7
sustainable_development_goals[0].score	0.7699999809265137
sustainable_development_goals[0].display_name	Affordable and clean energy
citation_normalized_percentile.value	0.16970377
citation_normalized_percentile.is_in_top_1_percent	False
citation_normalized_percentile.is_in_top_10_percent	False