Wavelength Division Multiplexing of 194 Continuous Variable Quantum Key Distribution Channels
- 29 January 2020
- journal article
- research article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in Journal of Lightwave Technology
- Vol. 38 (8), 2214-2218
- https://doi.org/10.1109/jlt.2020.2970179
Abstract
We demonstrate the first continuous variable quantum key distribution (CV-QKD) system with fully digital phase and polarization tracking, enabling the first wavelength division multiplexing experiment for CV-QKD. We transmit 194 × 0.5 GHz channels with 25 GHz channel spacing, demonstrating an aggregate estimated asymptotic secret key rate of 172.6 Mbit/s over 25 km.Keywords
Funding Information
- Vetenskapsrådet (2017-06179)
- Council for Science and CSTI
- SIP
- Photonic and Quantum Technology for Society5.0.
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