Securing practical quantum cryptosystems with optical power limiters Article Swipe
Gong Zhang
,
Ignatius William Primaatmaja
,
Jing Yan Haw
,
Xiao Gong
,
Chao Wang
,
Charles Ci Wen Lim
·
YOU?
·
· 2020
· Open Access
·
YOU?
·
· 2020
· Open Access
·
Controlling the energy of unauthorized light signals in a quantum cryptosystem is an essential task for implementation security. Here, we propose a passive optical power limiter device based on thermo-optical defocusing effects, which provides a reliable power limiting threshold that can be readily adjusted to suit various quantum applications. In addition, the device is robust against a wide variety of signal variations (e.g. wavelength, pulse width), which is important for implementation security. To show its practical utility for quantum cryptography, we demonstrate and discuss three potential applications: (1) measurement-device-independent quantum key distribution with enhanced security against a general class of Trojan-horse attacks, (2) using the power limiter as a countermeasure against bright illumination attacks, and (3) the application of power limiters to potentially enhance the implementation security of plug-and-play quantum key distribution.
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Metadata
- Type
- preprint
- Language
- en
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- http://export.arxiv.org/pdf/2012.08702
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- green
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- 20
- OpenAlex ID
- https://openalex.org/W3111332110
All OpenAlex metadata
Raw OpenAlex JSON
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https://openalex.org/W3111332110Canonical identifier for this work in OpenAlex
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Securing practical quantum cryptosystems with optical power limitersWork title
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preprintOpenAlex work type
- Language
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enPrimary language
- Publication year
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2020Year of publication
- Publication date
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2020-12-16Full publication date if available
- Authors
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Gong Zhang, Ignatius William Primaatmaja, Jing Yan Haw, Xiao Gong, Chao Wang, Charles Ci Wen LimList of authors in order
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https://export.arxiv.org/pdf/2012.08702Publisher landing page
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YesWhether a free full text is available
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greenOpen access status per OpenAlex
- OA URL
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https://export.arxiv.org/pdf/2012.08702Direct OA link when available
- Concepts
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Computer science, Quantum key distribution, Cryptosystem, Trojan horse, Limiter, Quantum cryptography, Quantum, Electronic engineering, Cryptography, Computer security, Physics, Quantum information, Telecommunications, Engineering, Quantum mechanicsTop concepts (fields/topics) attached by OpenAlex
- Cited by
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0Total citation count in OpenAlex
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20Other works algorithmically related by OpenAlex
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