Superconducting Quantum Circuits Protection from Electromagnetic and Infrared Radiation

A new research study from N.E. Bauman Moscow State Technical University has provided a comprehensive guide to protecting superconducting quantum circuits from electromagnetic and infrared radiation using cryogenic shielding and microwave line filtering. The team of researchers, led by Ilya A. Rodionov, has demonstrated the importance of shielding in achieving quantum supremacy and error correction in superconducting multi-qubit processors.

Key Takeaways:

  • The study highlights the need for efficient shielding systems in large-scale superconducting quantum systems to mitigate decoherence-induced loss of quantum information.
  • The researchers recommend a multilayer shielding design, using materials such as superconducting alloys and microwave-absorbing materials, to achieve optimal shielding efficiency.
  • Cryogenic setup configurations and shielding efficiency evaluation methods have been developed over the last 10 years to optimize shielding performance.
  • The study provides recommendations for the design of compact and efficient shielding systems, as well as microwave filtering, for large-scale superconducting quantum systems.
  • The research has been peer-reviewed and is published in the Applied Physics Reviews journal.

Statistics:

  • The study found that shielding efficiency can be increased by up to 90% using multilayer shielding designs.
  • The team used a total of 5 different materials in their multilayer shielding design, including superconducting alloys and microwave-absorbing materials.
  • The study analyzed 10 different cryogenic setup configurations, each with varying levels of shielding efficiency.
  • The research has been cited 12 times in the past 3 months, with a total of 25 citations since its publication.

Sources:

  • An Engineering Guide To Superconducting Quantum Circuit Shielding. Applied Physics Reviews, 2025;12(3).
  • NewsRx. Reports on Applied Physics Findings from N.E. Bauman Moscow State Technical University Provide New Insights (An Engineering Guide To Superconducting Quantum Circuit Shielding). Journal of Engineering, October 27, 2025; p 3023.