Experimental evaluation of the impairments on a QKD system in a 20-channel WDM co-existence scheme

Fotini Karinou,Lucian C. Comandar,Hans H. Brunner,D. Hillerkuss,Fred Fung,Stefano Bettelli,Spiros Mikroulis,Dawei Wang,Q. Yi,Maxim Kuschnerov,Changsong Xie,Andreas Poppe,Momtchil Peev

Experimental evaluation of the impairments on a QKD system in a 20-channel WDM co-existence scheme

2017

Fotini Karinou
Lucian C. Comandar
Hans H. Brunner
D. Hillerkuss
Fred Fung
Stefano Bettelli
Spiros Mikroulis
Dawei Wang
Q. Yi
Maxim Kuschnerov
Changsong Xie
Andreas Poppe
Momtchil Peev

We experimentally investigate the excess noise induced on a CV-QKD system in a WDM environment consisting of 4×100 Gb/s PDM-QPSK and 16×10 Gb/s OOK classical telecom signals. The influence of the receiver's noise, the Raman scattering and the four-wave mixing process are evaluated.

Keywords:

Raman scattering
Electronic engineering
Quantum key distribution
Optical fiber
Physics
Wavelength-division multiplexing
Optics
Communication channel
fiber nonlinear optics
Optoelectronics
noise induced

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