Enhancing Quantum Key Distribution Protocols for Extended Range and Reduced Error
Amina Alkilany Abdallah Dallaf
Computer science department, Omar Almukhtar UniversityAlByda, Libya
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30 set 2024
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Pubblicato online: 30 set 2024
Pagine: 13 - 23
DOI: https://doi.org/10.2478/ijanmc-2024-0022
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© 2024 Amina Alkilany Abdallah Dallaf, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Figure 1.
Optimized QKD Protocol
| Distance (km) | BB84 QBER (%) | Optimized QKD QBER (%) |
|---|---|---|
| 50 | 1.2 | 0.9 |
| 100 | 2.5 | 1.8 |
| 125 | N/A | 2.3 |
| 150 | N/A | 3.0 |
| 175 | N/A | 3.8 |
QKD Protocol Performance Comparison
| Protocol | Maximum Distance (km) | QBER at 100 km (%) | Improvement |
|---|---|---|---|
| 100 | 2.5 | - | |
| 125 | 1.8 | 25% | |
| 150 | 1.5 | 50% | |
| 200 | 1.2 | 100% |
Comparison Analysis
| Feature | BB84 [ |
E91 [ |
Decoy State [ |
CV-QKD [ |
MDI-QKD [ |
TF-QKD [ |
Proposed Solution |
|---|---|---|---|---|---|---|---|
| Security | Proven secure | Entanglem ent-based | Enhanced security | High security | Device-independent | High security | Enhanced security with advanced techniques |
| Key Rate | Moderate | Moderate | High | High | Moderate | High | High, optimized photon utilization |
| Distance | Limited | Limited | Extended | Moderate | Extended | Very extended | Extended, leveraging novel methods |
| Implementation Complexity | Moderate | High | Moderate | Moderate | High | High | Moderate, easy integration |
| Resilience to Attacks | Good | Good | Very good | Good | Excellent | Very good | Excellent, robust error correction |