Despite their advantages, SNSPDs face several challenges: - Cryogenic Cooling: SNSPDs require operation at cryogenic temperatures, necessitating complex and costly cooling systems. - Fabrication Complexity: The fabrication of SNSPDs involves intricate nanofabrication techniques to create uniform and defect-free nanowires. - Scalability: Integrating large arrays of SNSPDs for applications like imaging can be challenging due to the need for precise alignment and readout electronics.
