Practical Plug-and-Play Measurement-Device-Independent Quantum Key Distribution With Polarization Division Multiplexing

Park, Chang Hoon; Woo, Min Ki; Park, Byung Kwon; Lee, Min Soo; Kim, Yong‐Su; Cho, Young Wook; Kim, Sangin; Han, Sang-Wook; Moon, Sung

doi:10.1109/access.2018.2874028

Cited by 27 publications

(14 citation statements)

References 38 publications

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“…To demonstrate MDI-QKD over quantum networks in star topology extending over 100 km distance, cost-effective and commercially available hardware was used to build a robust MDI-QKD system based on time-bin encoding [240]. Similar plug and play systems with timebin or polarization encoding and different level of immunity against environmental disturbances have been implemented as well in other groups [241][242][243][244][245].…”

Section: E DV Mdi-qkdmentioning

confidence: 99%

Advances in quantum cryptography

et al. 2020

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Section: E DV Mdi-qkdmentioning

confidence: 99%

Advances in quantum cryptography

et al. 2020

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“…There is a way to install a polarization controller in Alice, but this is very inefficient. Therefore, we implemented an additional interferometer inside Alice [26] to make the IM work properly. As shown in Fig.…”

Section: Clients (Alices)mentioning

confidence: 99%

One to Many QKD Network System Using Polarization-Wavelength Division Multiplexing

et al. 2020

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The quantum key distribution (QKD) research, which is drawing attention as the next secure communication, is actively expanding from point to point system to network architecture. In QKD network system, it is important to increase the number of users who can securely communicate. Up to date, a wavelength division multiplexing (WDM) architecture has successfully expanded the number of channels without significant system loss, but there is a limitation of increasing channels considering the range of telecommunication wavelength and crosstalk noise, etc. In this paper, we propose a polarizing division method that increases user channels independently of wavelengths. The proposed architecture can increase the number of wavelength multiplexed channels by a multiple of the polarization number. We identify the issues in the QKD network system that may occur when using polarization and wavelengths simultaneously, then provide solutions and optimize the system operation accordingly. Finally, we describe a field test result of a one to many QKD network system that shows successful key exchange with 3% QBER.

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“…Як приклад науково-дослідних робіт за тематикою QKD можна привести роботи по розробленню систем зменшення розмірів мікросхем [4], комунікацій на великі відстані [5], високої та безпечної швидкості передачі ключа QKD [6]- [8], проведення ефективної постобробки [9] тощо. Позиції, на яких відрізняються вектори X та Y, а також вектори C та R співпадають (виділено червоним кольором).…”

Section: аналіз останніх досліджень і публікаційunclassified

Modified error correction method using one-time pad in qkd systems

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Practical Plug-and-Play Measurement-Device-Independent Quantum Key Distribution With Polarization Division Multiplexing

Cited by 27 publications

References 38 publications

Advances in quantum cryptography

Advances in quantum cryptography

One to Many QKD Network System Using Polarization-Wavelength Division Multiplexing

Modified error correction method using one-time pad in qkd systems

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