EPFL launches new Center for Quantum Science and Engineering

EPFL’s new Center for Quantum Science and Engineering (QSE Center) , headed by Prof. Vincenzo Savona, will establish and promote programs for cross-disciplinary research, education and innovation in the fields of quantum science and engineering. With the mission of becoming a leader in the quantum revolution, the Center will draw on the broad range of existing skills at EPFL and the Lake Geneva region. It will work closely with the University of Geneva on joint research and teaching efforts and form partnerships with leading industry players.

"Developing quantum technology is an incredible venture that puts us face to face with unprecedented scientific and engineering challenges. Meeting these challenges requires a concerted effort from all technical disciplines - physics, mathematics, chemistry, computer science and engineering - more so than for any previous kind of technological development," says Prof. Vincenzo Savona, the head of EPFL’s Laboratory of Theoretical Physics of Nanosystems. "EPFL has a long history of excellence and leadership in these various disciplines and occupies a unique strategic position in quantum science and engineering, both in Switzerland and worldwide."

Prof. Savona, whose expertise spans quantum optics, open quantum systems and quantum information, will be the QSE Center’s first director. He will be assisted by a management team composed of professors from EPFL’s School of Basic Sciences, School of Engineering and School of Computer and Communication Sciences.

Major technological advancements

"Thanks to recent progress in science and engineering, we can now use phenomena described by the laws of quantum mechanics to develop revolutionary new technology for computing, communications and measurement," says Prof. Savona. "This will lead to major advancements in several fields and bring significant benefits to society."

By setting up the QSE Center, EPFL aims to coordinate efforts across the board to develop and implement quantum technology in applications that span all disciplines of science and engineering.

What sets the Center apart is its cross-disciplinary approach. Prof. Savona explains: "Quantum technology is highly complex and requires pulling together methods from many scientific fields. The unique feature and key strength of the QSE Center is our ability to bring together experts from different fields - already represented here at EPFL - to apply their knowledge to quantum science and engineering."

Two main research areas

Research at the QSE Center will focus on two main areas. The first is quantum computing. "Our goal here will be to develop and implement quantum algorithms [see box] as well as the computer programs needed to use them," says Prof. Savona. "Developing, implementing and integrating these tools will eventually lead to a quantum advantage [see box] in all applications requiring a high level of computing power. These applications could include simulating biological molecules to predict disease and develop new drugs, for example, or running simulations of weather and climate change over extended time horizons. Quantum advantage would also benefit much of the research done here at EPFL, such as in physics, chemistry, materials science, engineering, life science, computer science and data science."

The second research area will involve studying integrated, hybrid and scalable systems using EPFL’s advanced nano-fabrication facilities. This will pave the way to technological advancements in quantum hardware, quantum sensing and quantum communications.

A priority on education and research partnerships

The QSE Center will draw on the wide range of skills in quantum science and engineering already available in Switzerland. For instance, it intends to work closely with the University of Geneva through joint R&D projects and jointly hold classes for Master’s and PhD students.

Also with regards to education, the Center will introduce a new Master’s program in quantum science and engineering at EPFL. This will be a unique, cross-disciplinary program with classes in theoretical physics, computer science and engineering. "We will also offer excellence fellowships for Master’s students in order to attract talented young minds from Switzerland and abroad," says Prof. Savona. "This will enable us to lay the foundation for the next generation of quantum scientists and engineers."

In addition, the QSE Center will promote research and innovation by holding events such as workshops, conferences, and programs on specific topics, bringing selected experts to EPFL for long-term stays. These events will foster interaction and collaboration and stimulate creative thinking and progress.

"Current and future breakthroughs in quantum technology mark major turning points in the history of humanity," says Prof. Savona. "We’re in a pioneering era that’s similar to the emergence of computers in the 1950s and the advent of the internet in the 1990s. This is a one-of-a-kind opportunity to contribute to the progress and advancement of our society."

All technology, from the wheel to the computer chip, is based on the laws of physics. But when a technology takes advantage of unconventional phenomena (i.e., events that don’t usually occur in our daily lives but instead must be produced through lab experiments) that follow the laws of quantum physics, such as quantum superposition and quantum entanglement, then it’s considered a quantum technology. Physicists in the late 20th century discovered that unconventional phenomena can be used to develop applications that are radically more efficient than existing ones. Today, quantum scientists and engineers are studying ways to create such applications for the benefit of society as a whole. Applied research in quantum engineering has already resulted in many applications, such as cryptographic protocols that use quantum key distribution for enhanced security in data transfer, quantum sensing systems that improve the precision of numerous types of measurement methods - such as the detection of magnetic fields in the brain - and the low-dimensional materials used in modern electronics.

Quantum algorithms are the programs run on quantum computers. A specific algorithm must be written for each problem to be solved on a quantum computer. Learning the coding language used for these algorithms requires advanced skills in computer science, but also in math and physics.

A quantum advantage is the advantage that quantum computers have in solving the extremely large, complicated problems that even the most powerful supercomputers will never be able to handle. This advantage also relates to the enhanced capabilities that quantum technology can deliver in other applications, such as to develop more secure communications and take more precise measurements.


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