29 April 2016 Orthogonal frequency division multiplexed quantum key distribution in the presence of Raman noise
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Abstract
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.
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Sima Bahrani, Sima Bahrani, Mohsen Razavi, Mohsen Razavi, Jawad A. Salehi, Jawad A. Salehi, } "Orthogonal frequency division multiplexed quantum key distribution in the presence of Raman noise", Proc. SPIE 9900, Quantum Optics, 99001C (29 April 2016); doi: 10.1117/12.2227982; https://doi.org/10.1117/12.2227982
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