期刊论文详细信息
EPJ Quantum Technology
Impact of transmitter imbalances on the security of continuous variables quantum key distribution
Research
Nuno A. Silva1  Armando N. Pinto2  Daniel Pereira2  Margarida Almeida2 
[1] Instituto de Telecomunicações, University of Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal;Instituto de Telecomunicações, University of Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal;Department of Electronics, Telecommunications and Informatics, University of Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal;
关键词: Continuous variables;    Quantum key distribution;    Device imperfections;    Excess noise;    Discrete modulated;    Probabilistic constellation shaping;   
DOI  :  10.1140/epjqt/s40507-023-00176-z
 received in 2022-12-13, accepted in 2023-06-04,  发布年份 2023
来源: Springer
PDF
【 摘 要 】

Continuous-variable quantum key distribution (CV-QKD) provides a theoretical unconditionally secure solution to distribute symmetric keys among users in a communication network. However, the practical devices used to implement these systems are intrinsically imperfect, and, as a result, open the door to eavesdropper attacks. In this work, we study the impact of transmitter stage imperfections on the performance and security of a Discrete Modulated (DM) CV-QKD system using M-symbol Quadrature Amplitude Modulation (M-QAM) and Amplitude and Phase Shift Keying (M-APSK) coupled with Probabilistic Constellation Shaping (PCS). Assuming two different modulation stage topologies, we first deform the constellations and then evaluate the secure key rate achievable with the deformed constellation. The presented results show that, due to the erroneously estimated channel parameters, non-monitored imbalances greatly reduce the system’s performance, with situations where Bob and Alice estimate that no secure bits can be obtained while the real value of the key rate is still positive. Our results show the importance of monitoring these constellation imbalances and show that the optimal constellation may vary depending on the degree of device imperfection.

【 授权许可】

CC BY   
© The Author(s) 2023

【 预 览 】
附件列表
Files Size Format View
RO202309079311660ZK.pdf 2698KB PDF download
Fig. 6 414KB Image download
Fig. 4 770KB Image download
40517_2023_252_Article_IEq131.gif 1KB Image download
40517_2023_252_Article_IEq137.gif 1KB Image download
13690_2023_1130_Article_IEq1.gif 1KB Image download
Fig. 5 214KB Image download
13690_2023_1130_Article_IEq16.gif 1KB Image download
MediaObjects/12951_2023_1959_MOESM6_ESM.xlsx 10KB Other download
MediaObjects/12951_2023_1959_MOESM7_ESM.tif 8777KB Other download
Fig. 6 1942KB Image download
Fig. 9 152KB Image download
MediaObjects/12944_2023_1849_MOESM5_ESM.jpg 163KB Other download
Fig. 1 149KB Image download
Fig. 1 2462KB Image download
Fig. 8 348KB Image download
MediaObjects/13046_2023_2710_MOESM13_ESM.pdf 626KB PDF download
Fig. 13 799KB Image download
MediaObjects/13068_2023_2285_MOESM3_ESM.docx 16KB Other download
MediaObjects/12951_2023_1959_MOESM8_ESM.tif 5142KB Other download
MediaObjects/40798_2023_591_MOESM2_ESM.docx 23KB Other download
MediaObjects/13041_2023_1045_MOESM3_ESM.docx 438KB Other download
Fig. 6 101KB Image download
Fig. 5 269KB Image download
Fig. 4 1282KB Image download
Fig. 1 326KB Image download
Fig. 12 2718KB Image download
Fig. 6 2937KB Image download
Fig. 2 138KB Image download
Fig. 1 51KB Image download
Fig. 3 99KB Image download
Fig. 1 183KB Image download
41116_2023_37_Article_IEq16.gif 1KB Image download
41116_2023_37_Article_IEq24.gif 1KB Image download
41116_2023_37_Article_IEq31.gif 1KB Image download
41116_2023_37_Article_IEq32.gif 1KB Image download
41116_2023_37_Article_IEq33.gif 1KB Image download
41116_2023_37_Article_IEq34.gif 1KB Image download
Fig. 1 130KB Image download
41116_2023_37_Article_IEq36.gif 1KB Image download
41116_2023_37_Article_IEq37.gif 1KB Image download
41116_2023_37_Article_IEq38.gif 1KB Image download
Fig. 2 2474KB Image download
41116_2023_37_Article_IEq39.gif 1KB Image download
41116_2023_37_Article_IEq54.gif 1KB Image download
41116_2023_37_Article_IEq55.gif 1KB Image download
41116_2023_37_Article_IEq65.gif 1KB Image download
Fig. 2 473KB Image download
41116_2023_37_Article_IEq67.gif 1KB Image download
Fig. 2 278KB Image download
41116_2023_37_Article_IEq69.gif 1KB Image download
Fig. 2 250KB Image download
MediaObjects/12888_2023_4905_MOESM1_ESM.docx 1745KB Other download
41116_2023_37_Article_IEq72.gif 1KB Image download
41116_2023_37_Article_IEq73.gif 1KB Image download
41116_2023_37_Article_IEq74.gif 1KB Image download
41116_2023_37_Article_IEq75.gif 1KB Image download
41116_2023_37_Article_IEq76.gif 1KB Image download
Fig. 3 432KB Image download
41116_2023_37_Article_IEq78.gif 1KB Image download
41116_2023_37_Article_IEq79.gif 1KB Image download
41116_2023_37_Article_IEq80.gif 1KB Image download
Fig. 4 251KB Image download
41116_2023_37_Article_IEq82.gif 1KB Image download
41116_2023_37_Article_IEq83.gif 1KB Image download
MediaObjects/12888_2023_4809_MOESM1_ESM.docx 27KB Other download
41116_2023_37_Article_IEq85.gif 1KB Image download
41116_2023_37_Article_IEq86.gif 1KB Image download
Fig. 1 173KB Image download
41116_2023_37_Article_IEq88.gif 1KB Image download
41116_2023_37_Article_IEq89.gif 1KB Image download
Fig. 3 574KB Image download
41116_2023_37_Article_IEq106.gif 1KB Image download
MediaObjects/12888_2023_4980_MOESM1_ESM.docx 19KB Other download
MediaObjects/12888_2023_4980_MOESM2_ESM.docx 21KB Other download
MediaObjects/12888_2023_4980_MOESM3_ESM.docx 18KB Other download
41116_2023_37_Article_IEq115.gif 1KB Image download
41116_2023_37_Article_IEq116.gif 1KB Image download
41116_2023_37_Article_IEq117.gif 1KB Image download
42004_2023_919_Article_IEq16.gif 1KB Image download
41116_2023_37_Article_IEq118.gif 1KB Image download
41116_2023_37_Article_IEq119.gif 1KB Image download
41116_2023_37_Article_IEq120.gif 1KB Image download
41116_2023_37_Article_IEq121.gif 1KB Image download
Fig. 1 309KB Image download
41116_2023_37_Article_IEq122.gif 1KB Image download
41116_2023_37_Article_IEq123.gif 1KB Image download
41116_2023_37_Article_IEq124.gif 1KB Image download
41116_2023_37_Article_IEq125.gif 1KB Image download
41116_2023_37_Article_IEq126.gif 1KB Image download
Fig. 1 103KB Image download
41116_2023_37_Article_IEq128.gif 1KB Image download
Fig. 1 132KB Image download
41116_2023_37_Article_IEq148.gif 1KB Image download
41116_2023_37_Article_IEq149.gif 1KB Image download
41116_2023_37_Article_IEq150.gif 1KB Image download
41116_2023_37_Article_IEq151.gif 1KB Image download
【 图 表 】

41116_2023_37_Article_IEq151.gif

41116_2023_37_Article_IEq150.gif

41116_2023_37_Article_IEq149.gif

41116_2023_37_Article_IEq148.gif

Fig. 1

41116_2023_37_Article_IEq128.gif

Fig. 1

41116_2023_37_Article_IEq126.gif

41116_2023_37_Article_IEq125.gif

41116_2023_37_Article_IEq124.gif

41116_2023_37_Article_IEq123.gif

41116_2023_37_Article_IEq122.gif

Fig. 1

41116_2023_37_Article_IEq121.gif

41116_2023_37_Article_IEq120.gif

41116_2023_37_Article_IEq119.gif

41116_2023_37_Article_IEq118.gif

42004_2023_919_Article_IEq16.gif

41116_2023_37_Article_IEq117.gif

41116_2023_37_Article_IEq116.gif

41116_2023_37_Article_IEq115.gif

41116_2023_37_Article_IEq106.gif

Fig. 3

41116_2023_37_Article_IEq89.gif

41116_2023_37_Article_IEq88.gif

Fig. 1

41116_2023_37_Article_IEq86.gif

41116_2023_37_Article_IEq85.gif

41116_2023_37_Article_IEq83.gif

41116_2023_37_Article_IEq82.gif

Fig. 4

41116_2023_37_Article_IEq80.gif

41116_2023_37_Article_IEq79.gif

41116_2023_37_Article_IEq78.gif

Fig. 3

41116_2023_37_Article_IEq76.gif

41116_2023_37_Article_IEq75.gif

41116_2023_37_Article_IEq74.gif

41116_2023_37_Article_IEq73.gif

41116_2023_37_Article_IEq72.gif

Fig. 2

41116_2023_37_Article_IEq69.gif

Fig. 2

41116_2023_37_Article_IEq67.gif

Fig. 2

41116_2023_37_Article_IEq65.gif

41116_2023_37_Article_IEq55.gif

41116_2023_37_Article_IEq54.gif

41116_2023_37_Article_IEq39.gif

Fig. 2

41116_2023_37_Article_IEq38.gif

41116_2023_37_Article_IEq37.gif

41116_2023_37_Article_IEq36.gif

Fig. 1

41116_2023_37_Article_IEq34.gif

41116_2023_37_Article_IEq33.gif

41116_2023_37_Article_IEq32.gif

41116_2023_37_Article_IEq31.gif

41116_2023_37_Article_IEq24.gif

41116_2023_37_Article_IEq16.gif

Fig. 1

Fig. 3

Fig. 1

Fig. 2

Fig. 6

Fig. 12

Fig. 1

Fig. 4

Fig. 5

Fig. 6

Fig. 13

Fig. 8

Fig. 1

Fig. 1

Fig. 9

Fig. 6

13690_2023_1130_Article_IEq16.gif

Fig. 5

13690_2023_1130_Article_IEq1.gif

40517_2023_252_Article_IEq137.gif

40517_2023_252_Article_IEq131.gif

Fig. 4

Fig. 6

【 参考文献 】
  • [1]
  • [2]
  • [3]
  • [4]
  • [5]
  • [6]
  • [7]
  • [8]
  • [9]
  • [10]
  • [11]
  • [12]
  • [13]
  • [14]
  • [15]
  • [16]
  • [17]
  • [18]
  • [19]
  • [20]
  • [21]
  • [22]
  • [23]
  • [24]
  • [25]
  • [26]
  • [27]
  • [28]
  • [29]
  • [30]
  • [31]
  • [32]
  • [33]
  • [34]
  • [35]
  • [36]
  • [37]
  文献评价指标  
  下载次数:5次 浏览次数:9次