SNSPDs are utilized in various cutting-edge fields: - Quantum Cryptography: They are essential for secure communication systems based on quantum key distribution, providing high detection efficiency and security. - Astronomy: SNSPDs enable the detection of faint light from distant celestial objects, aiding in the exploration of the universe. - LIDAR: In light detection and ranging systems, SNSPDs enhance the accuracy of distance and speed measurements. - Biomedical Imaging: They improve the sensitivity of imaging techniques, allowing for detailed observation at the molecular level.
