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Clarke, Devoret and Martinis Win 2025 Nobel Prize in Physics for Macroscopic Quantum Effects in Superconducting Circuits

The award recognizes 1980s experiments that brought quantum effects into chip-based circuits.

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The trio were won the Nobel for the discovery of macroscopic quantum mechanical tunnelling and energy quantisation in an electric circuit.
FILE - A Nobel Prize medal is displayed before a ceremony at the Swedish Ambassador's Residence in London, Monday, Dec. 6, 2021. (AP Photo/Matt Dunham, File)
Image Source: Nobel Prize

Overview

  • The Royal Swedish Academy of Sciences cited the trio “for the discovery of macroscopic quantum mechanical tunnelling and energy quantisation in an electric circuit.”
  • Their 1984–85 work with Josephson-junction superconducting circuits showed tunnelling and discrete energy levels in a device large enough to handle.
  • The Nobel committee said the results open avenues for next-generation quantum cryptography, quantum computers and quantum sensors.
  • Clarke is at the University of California, Berkeley; Devoret is affiliated with Yale University and UC Santa Barbara; Martinis is at UC Santa Barbara.
  • The laureates will share 11 million Swedish kronor, with the formal presentation set for December 10 in Stockholm.