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Crosstalk Impact on...
Crosstalk Impact on Continuous Variable Quantum Key Distribution in lticore Fiber Transmission
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- Eriksson, Tobias A. (författare)
- KTH,Fysik
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Puttnam, Benjamin J. (författare)
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Rademacher, Georg (författare)
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Luis, Ruben S. (författare)
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Fujiwara, Mikio (författare)
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Takeoka, Masahiro (författare)
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Awaji, Yoshinari (författare)
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Sasaki, Masahide (författare)
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Wada, Naoya (författare)
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(creator_code:org_t)
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2019
- 2019
- Engelska.
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Ingår i: IEEE Photonics Technology Letters. - : IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC. - 1041-1135 .- 1941-0174. ; 31:6, s. 467-470
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- We investigate the excess noise induced by crosstalk in a trench-assisted homogeneous 19-core fiber for a continuous variable quantum key distribution (CV-QKD) receiver. Crosstalk is studied for both 30 wavelength division multiplexing channels of 24.5-Gbaud PM-16QAM with 100-GHz channel spacing and for an amplified spontaneous emission signal with 37.5-GHz bandwidth. We show that in-band crosstalk from neighboring cores prohibits secret key generation. However, it is possible to place CV-QKD channels at wavelengths not used by the classical channels even though wideband amplified spontaneous emission noise is present. The excess noise induced by crosstalk from a neighboring core is shown to be time-dependent.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Telekommunikation (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Telecommunications (hsv//eng)
Nyckelord
- Quantum key distribution
- spatial division multiplexing
- crosstalk
- multicore fibers
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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