Power Consumption Analysis of QKD Networks under Different Protocols and Detector Configurations
Jiaheng Xiong, Qiaolun Zhang, Yoann Pi\'etri, Raja Yehia, Raouf Boutaba, Francesco Musumeci, Massimo Tornatore
TL;DR
This paper evaluates the power consumption of quantum key distribution networks across different protocols and detector setups, providing insights into optimizing device placement and configurations for energy efficiency.
Contribution
It offers a comprehensive analysis of power trade-offs in QKD networks, comparing protocols and detector types with realistic topologies.
Findings
Discrete-variable QKD consumes more power than continuous-variable QKD.
SNSPD detectors are more power-efficient than APD detectors under certain conditions.
Optical bypass techniques can reduce overall power consumption.
Abstract
We analyze the power consumption of quantum key distribution (QKD) networks under various protocol and detector configurations. Using realistic network topologies, we evaluate discrete-variable vs continuous-variable QKD and optimize device placement, quantifying power trade-offs of SNSPD vs APD detectors and the benefits of optical bypass.
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