@ScigliuzzoM profile picture
Marco Scigliuzzo @ScigliuzzoM
Joined December 2020
  • Tweets 58
  • Following 218
  • Followers 100
14 Photos and videos
Marco Scigliuzzo retweeted
PRX Quantum@PRX_Quantum
Mar 24
Flux-tunable superconducting resonators induce controllable nonlinearity in a surface acoustic wave cavity, achieving cross-Kerr interactions between seven pairs of mechanical modes. @ScigliuzzoM go.aps.org/47jVLIf
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What does quantum squeezing sound like? ๐Ÿ‘‚Listen to a tone buried in โ€œvacuum-likeโ€ noise getting squeezed! ๐ŸŽงHeadphones strongly recommended. #QuantumMechanics #QuantumAcoustics #PhysicsDemo
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Making the qubit ๐Ÿ„ถ๐Ÿ„ธ๐Ÿ„ฐ๐Ÿ„ฝ๐Ÿ…ƒ by coupling it at 10 points provides a path toward nontrivial dynamics, including effects of ๐ฌ๐ฎ๐ฉ๐ž๐ซ๐ฌ๐ญ๐ซ๐จ๐ง๐  ๐œ๐จ๐ฎ๐ฉ๐ฅ๐ข๐ง๐  ๐š๐ง๐ ๐๐ข๐ซ๐ž๐œ๐ญ๐ข๐จ๐ง๐š๐ฅ ๐ž๐ฆ๐ข๐ฌ๐ฌ๐ข๐จ๐ง ๐จ๐Ÿ ๐ง๐จ๐ง๐œ๐ฅ๐š๐ฌ๐ฌ๐ข๐œ๐š๐ฅ ๐ฅ๐ข๐ ๐ก๐ญ. ๐Ÿ‘‰ arxiv.org/abs/2509.01579
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Improving capacitors in circuit QED is key to achieving longer-lived and scalable elements. Combined with mechanical functionality, vacuum-gap capacitors open new possibilities for hybrid quantum systems. Thanks to the editors for highlighting our work: journals.aps.org/prapplied/aโ€ฆ
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Smaller, smarter building blocks for future quantum technology actu.epfl.ch/news/smaller-smโ€ฆ #epfl

Smaller, smarter building blocks for future quantum technology

Scientists at EPFL have made a breakthrough in designing arrays of resonators, the basic components that power quantum technologies. This innovation could create smaller, more precise quantum devices.

actu.epfl.ch
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High-kinetic inductance materials enable compact superinductors and nonlinear elementsโ€”but how reproducible are they? Can we measure the disorder? Is it low enough to build scalable multimode systems? Find out in our latest @NatureComms paper: nature.com/articles/s41467-0โ€ฆ

High kinetic inductance cavity arrays for compact band engineering and topology-based disorder...

Nature Communications - This study presents a high-impedance, low-disorder, compact coupled cavity array architecture using NbN thin films. To quantify disorder, a metric is developed leveraging...

nature.com
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Marco Scigliuzzo retweeted
PRX Quantum@PRX_Quantum
1 Apr 2025
A quantum sensor built with a superconducting parametric Kerr resonator, operating near a second-order dissipative phase transition, enables more precise metrological protocols. go.aps.org/4ldo7ZI
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Great start to April with a new publication in @Nature_NPJ Quantum Information! In a simple SQUID array resonator, we demonstrate Landau-Zener transitions across the qubit, resonator, and multiphoton regimes. Take a closer look: nature.com/articles/s41534-0โ€ฆ
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Excited to share our latest work is now published in @PRX_Quantum! We explore quantum sensing beyond linear scaling in superconducting circuits by leveraging critical phenomena. Check it out: journals.aps.org/prxquantum/โ€ฆ
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Proud to share the details of the 'secret recipe' for our compact, low-loss vacuum-gap capacitors! Ideal for both optomechanics and circuit QED applications. Dive into it here: arxiv.org/abs/2501.03211
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Collective quantum optomechanics now in @ScienceMagazine! ๐Ÿš€ We prepared a collective mode of mechanical oscillators in its quantum ground state. A leap toward controlling many-body systems and probing quantum mechanics at the macroscopic scale! ๐Ÿ‘‰ science.org/doi/10.1126/scieโ€ฆ
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This work was done at @EPFL_en in Prof. Kippenberg's laboratory @LPQM_EPFL. I greatly appreciate the funding from @QSECenter_EPFL that funded my contribution.
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Marco Scigliuzzo retweeted
The Quantum Insider
@QuantumDaily
16 Oct 2024
- @Zhinst has partnered with @EPFL_en , withwave, and SKKU to advance traveling-wave parametric amplifiers (TWPAs), relevant for accurate qubit readout and scaling in quantum computing. ๐ŸŒŠ ๐Ÿ‘‹๐Ÿป thequantuminsider.com/2024/1โ€ฆ #QuantumComputing #Processors #Quantum #Qubits

International Collaboration Advances TWPA Technology for Scalable Quantum Computing Solutions...

A new international partnership is advancing TWPAs for accurate qubit readout and scalable quantum computing.

thequantuminsider.com
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๐Ÿš€ Our new work on quantum sensing is out: arxiv.org/abs/2409.19968. We show how to go beyond linear scaling in superconducting circuits using critical phenomena. Exciting times for #QuantumMetrology ๐Ÿ“๐Ÿ”ฌ #Physics
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Meteors seen from #konstanz
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Our latest publication is out today! We demonstrate a novel protocol to generate real mechanical excitations by modulating the ultrastrong vacuum of a coupled qubit-cavity system. Dive into the details here: scipost.org/SciPostPhys.17.1โ€ฆ
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Marco Scigliuzzo retweeted
Nils Johan Engelsen@NilsEngelsen
8 Jul 2024
We have two fully-funded, 2-year postdoc positions open in my laboratory at Chalmers, one in spin sensing with ultralow-loss mechanical resonators and one on creating hybrid quantum systems of single atoms and optomechanical systems.
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If you are interested in macroscopic quantum systems, in arxiv.org/abs/2407.02453 we ground state cool the bright collective mode of 6 mechanical resonators optomechanically coupled to a microwave cavity. We also show collective enhancement of optomechanical damping rate!

Quantum collective motion of macroscopic mechanical oscillators

Collective phenomena arise from interactions within complex systems, leading to behaviors absent in individual components. Observing quantum collective phenomena with macroscopic mechanical...

arxiv.org
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actu.epfl.ch/news/mechanicalโ€ฆ

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.

actu.epfl.ch
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๐ŸŽง Listen to your qubits โš›๏ธ. Our work on the effect of vibrations on standard transmons published here: nature.com/articles/s41467-0โ€ฆ

Mechanically induced correlated errors on superconducting qubits with relaxation times exceeding...

Nature Communications - Significant efforts have been dedicated to understanding the mechanisms of decoherence in superconducting qubits. Here, using time-resolved error measurements, the authors...

nature.com
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