Quantized radio-frequency rectification in a kagome superconductor Josephson diode

Key Points

• Rectification efficiency reaches over 90% at terahertz frequencies, showcasing the Josephson diode's unique capabilities.
• Key findings support its application in advanced quantum technologies and signal processing.
• Investigation includes direct experimental observation of quantum behavior at optimal RF frequencies.
• Highlights the potential for increased functionality in quantum computing, although practical applications need further exploration.