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Orthogonal frequency division multiplexed quantum key distribution in the presence of Raman noise

Bahrani, S ; Sharif University of Technology | 2016

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  1. Type of Document: Article
  2. DOI: 10.1117/12.2227982
  3. Publisher: SPIE , 2016
  4. Abstract:
  5. In this paper, we investigate the performance of orthogonal frequency division multiplexed quantum key distribution (OFDM-QKD) in an integrated quantum-classical wavelength-division-multiplexing system. The presence of an intense classical signal alongside the quantum one generates Raman background noise. Noise reduction techniques should, then, be carried out at the receiver to suppress this crosstalk noise. In this work, we show that OFDM-QKD enables efficient filtering, in time and frequency domains, making it an attractive solution for the high-rate links at the core of quantum-classical networks
  6. Keywords:
  7. Quantum key distribution ; Crosstalk ; Frequency division multiplexing ; Multiplexing ; Multiplexing equipment ; Orthogonal frequency division multiplexing ; Quantum optics ; Raman scattering ; Wavelength division multiplexing ; Attractive solutions ; Background noise ; Crosstalk noise ; Noise reduction technique ; Orthogonal frequency division ; Quantum-classical ; Time and frequency domains ; Wavelength-division multiplexing system ; Quantum cryptography
  8. Source: Proceedings of SPIE - The International Society for Optical Engineering, 5 April 2016 through 7 April 2016 ; Volume 9900 , 2016 ; 0277786X (ISSN) ; 9781510601451 (ISBN)
  9. URL: http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=2520284