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A hexamer of macroscopic mechanical oscillators for studying quantum collective phenomena. Credit: Mahdi Chegnizadeh (EPFL)

Macroscopic oscillators move as one at the quantum level

— EPFL scientists have successfully achieved a quantum collective behavior of macroscopic mechanical oscillators, unlocking new possibilities in quantum technology.

Tobias J. Kippenberg. Credit: EPFL

Tobias Kippenberg awarded ERC Synergy Grant

— EPFL's Professor Tobias J. Kippenberg, in collaboration with leading European researchers, has secured a prestigious ERC Synergy Grant to advance the ATHENS project, which aims to revolutionize optical data transmission.

The new TWPA

EPFL, Zurich Instr, WithWave, SKKU partner for new quantum amplifiers

— In a new initiative, Zurich Instruments has teamed up with EPFL, the Swiss Federal Institute of Technology in Lausanne, Withwave, and Sungkyunkwan University (SKKU) to enhance the performance and market-readiness of quantum limited amplification technology. The strategic partnership aims to elevate the capabilities of traveling-wave parametric amplifiers (TWPAs), which are essential for the precise readout of qubits and the scaling up of quantum computing technologies.

© 2024 EPFL : Dark-field optical micrograph of the microwave-optical transducer, including the photonic circuitry and piezoelectric actuators, shown in bird's-eye view.

A novel on-chip microwave-optical transducer

— EPFL and Purdue scientists create a coherent interface between microwaves and near-infrared light to help scale up future quantum networks.

Superconducting qubits "hear" sounds, leading to new types of errors. Credit: Shingo Kono and Xuxin Wang (EPFL)

Mechanical vibrations cause errors in superconducting qubits

— Scientists at EPFL have found that mechanical vibrations in refrigerators used to cool superconducting quantum computers can cause errors, offering new insights for improving quantum computing.

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