What is it about?
Superconducting diode allows supercurrent (zero resistance) flowing in one direction but blocked in the other. This paper demonstrated a magnetic field free superconducting diode with the conventional fabrication process which is compatibile to the superconductor digital circuits.
Featured Image
Photo by Klemens Morbe on Unsplash
Why is it important?
The superconducting diode effect requires breaking both spatial inversion and time-reversal symmetries. Traditionally, the latter has relied on applying an external magnetic field, which is not desired in superconducting electronics. In our approach, we replace the magnetic bias with an on-chip phase shift and achieve spatial inversion symmetry breaking through circuit parameter design rather than by using complicated device structures. The demonstrated superconducting diode is fully compatible with existing fabrication processes and can be readily incorporated into superconducting digital circuits.
Perspectives
I hope this article is interesting to the audiences and can convey some knowledge to them on superconducting electronics.
Feng Li
Nagoya Daigaku
Read the Original
This page is a summary of: Practical field-free superconducting diode for AC–DC rectification, Applied Physics Letters, August 2025, American Institute of Physics,
DOI: 10.1063/5.0283849.
You can read the full text:
Contributors
The following have contributed to this page
