Bell-State-Exchange-Parity-Based Protocol for Efficient Autocompensation of Quantum Key Distribution Encoded in Polarization or Spatial Modes

Bell-State-Exchange-Parity-Based Protocol for Efficient Autocompensation of Quantum Key Distribution Encoded in Polarization or Spatial Modes

We analyze autocompensation possibilities in entanglement-based QKD protocols. In particular, we study the seminal BBM92 protocol and find that an autocompensating technique is possible, although with severe limitations. This prompts the introduction of a different, more practical protocol based on...

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Bibliographic Details
Main Authors: Gabriel M. Carral, Jesús Liñares, Eduardo F. Mateo, Xesús Prieto-Blanco
Format: Article
Language:English
Published: MDPI AG 2023-12-01
Series:Applied Sciences
Subjects:
quantum key distribution
optical fibers
autocompensation
space-division multiplexing
photonic integrated circuits
Online Access:https://www.mdpi.com/2076-3417/13/23/12907

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