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Title: Practical challenges in quantum key distribution

Here, quantum key distribution (QKD) promises unconditional security in data communication and is currently being deployed in commercial applications. Nonetheless, before QKD can be widely adopted, it faces a number of important challenges such as secret key rate, distance, size, cost and practical security. Here, we survey those key challenges and the approaches that are currently being taken to address them.
Authors:
 [1] ;  [2] ;  [3] ;  [4]
  1. CNRS, Telecom Paris Tech, Univ. Paris-Saclay, Paris (France)
  2. Univ. of Toronto, Toronto, ON (Canada)
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States)
  4. Toshiba Research Europe Limited, Cambridge (United Kingdom); Toshiba Corp., Kawasaki (Japan)
Publication Date:
Grant/Contract Number:
AC05-00OR22725
Type:
Accepted Manuscript
Journal Name:
npj Quantum Information
Additional Journal Information:
Journal Volume: 2; Journal ID: ISSN 2056-6387
Publisher:
Nature Partner Journals
Research Org:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org:
USDOE Laboratory Directed Research and Development (LDRD) Program
Country of Publication:
United States
Language:
English
Subject:
97 MATHEMATICS AND COMPUTING
OSTI Identifier:
1337499