Categories: Science & Physics

Nobel Prize in Physics awarded for macroscopic quantum tunnelling in electric circuits

Nobel Prize in Physics awarded for macroscopic quantum tunnelling in electric circuits

Groundbreaking Nobel Prize in Physics Recognizes Quantum Circuit Breakthrough

The Royal Swedish Academy of Sciences has awarded the 2025 Nobel Prize in Physics to three scientists for a landmark achievement in quantum mechanics: the discovery of macroscopic quantum tunnelling and energy quantisation in an electric circuit. The laureates are John Clarke, Michel Devoret, and John Martinis, all based in the United States. Their work illuminates how quantum effects can emerge at scales and devices that were previously thought to be firmly in the classical realm.

What the Prize Recognizes

According to the prize announcement, the trio’s research demonstrates that quantum behaviours can persist and be measured in engineered electrical systems. This finding provides the foundation for practical quantum technologies, including quantum computers, quantum cryptography, and highly sensitive quantum sensors. The prize highlights not only a fundamental insight into quantum mechanics but also a pathway to devices that could transform computation, communication, and metrology.

Meet the Laureates and Their Impact

John Clarke is renowned for his experimental work in superconducting circuits, where quantum states can be manipulated and observed. Michel Devoret has contributed critical theory and experimentation that bridged abstract quantum concepts with tangible circuit elements. John Martinis, known for his leadership in building superconducting qubits, has pushed forward scalable architectures for quantum processors. Together, their discoveries provide a robust platform for exploring macroscopic quantum phenomena and for building the next generation of quantum technologies.

Context in the History of the Nobel Prize

The Nobel Prize in Physics is one of the world’s most prestigious recognitions of scientific achievement. It was established by Alfred Nobel’s will and has continually highlighted breakthroughs that expand our understanding of the physical world. Physics was the first category named in Nobel’s will, reflecting the prominence of physics in the early 20th century. Over more than a century, laureates have included figures like Einstein, Curie, Planck, and Bohr, with the field continually evolving as new quantum principles take center stage.

Implications for Quantum Technology

The chosen work underscores a broad spectrum of practical applications. Quantum cryptography promises theoretically unbreakable security, while quantum computers could tackle complex problems beyond the reach of classical machines. Quantum sensors, favored for their extreme precision, have potential in navigation, medical imaging, and environmental monitoring. In short, this Nobel Prize signals a maturation of quantum engineering from concept to capable technology with real-world impact.

Prize Details and Ceremony

The Nobel Prize in Physics comes with a prize sum of 11 million Swedish crowns, typically shared among laureates when multiple winners are named. The Swedish Academy administers the award, with the ceremony traditionally held in Stockholm on December 10, commemorating Alfred Nobel’s death. The prize ceremony culminates in a banquet at the city hall, a historic ritual that has accompanied the prizes for generations.

Related Developments and Past Laureates

Last year’s Nobel Prize in Physics honored breakthroughs in machine learning that have significantly influenced the AI boom, highlighting the breadth of physics-related discoveries recognized by the Academy. As the field of quantum science accelerates, current laureates join a distinguished lineage that includes some of the most influential minds in science, who have shaped our understanding of the quantum world and its technological promise.

What’s Next

With Clarke, Devoret, and Martinis at the helm of this quantum frontier, researchers expect accelerated progress toward scalable quantum processors and robust quantum networks. The prize celebration in Stockholm will showcase the laureates’ work and emphasize the ongoing collaboration between experimental and theoretical physics that is essential to translating quantum discoveries into everyday technologies.