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[Fizinfo] Tuesday 16:15 -- Andras Gyenis on Noise-protected superconducting qubits

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  • From: Andras Palyi <palyi.andras AT>
  • To: exotic-quantum-phases-seminar AT, FIZINFO AT, kvantuminfo AT
  • Subject: [Fizinfo] Tuesday 16:15 -- Andras Gyenis on Noise-protected superconducting qubits
  • Date: Fri, 10 Dec 2021 07:07:58 +0100
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Dear Colleagues,

Next Tuesday at 16:15 (note unusual time) the BME Exotic Quantum Phases
seminar continues with this talk:

Andras Gyenis (University of Colorado Boulder)
Noise-protected superconducting qubits

online in Teams
Time: Dec 14 Tuesday, 16:15 Budapest time (note unusual time)
Abstract: see below

About the speaker: Andras is an assistant professor in electrical engineering
at the University of Colorado Boulder. He received his BS and MS in
experimental condensed matter physics at the Budapest University of
Technology, Hungary. Prior to joining CU Boulder, Andras received his PhD in
physics at Princeton University in 2016, investigating the surface and bulk
properties of unconventional superconductors, strongly correlated electronic
systems and topological materials using ultra-low temperature scanning
tunneling microscopy. He continued as a postdoctoral researcher at the
Department of Electrical Engineering at Princeton, focusing on the design,
fabrication and measurement of superconducting quantum circuits. Between 2020
and 2021, he has extended his research focus by developing
semiconductor-based quantum devices at the Niels Bohr Institute at the
University of Copenhagen as a visiting assistant professor. The defining
feature of his current research program at CU Boulder is to realize hybrid
superconducting – semiconducting quantum devices that harness intrinsic
protection to extend the lifetime of quantum processors.

Teams link:

Best regards
Andras Palyi

= = =

Noise-protected superconducting qubits

Artificial atoms realized by superconducting circuits offer unique
opportunities to store and process quantum information with high fidelity.
Among them, implementations of circuits that harness intrinsic noise
protection have been rapidly developed in recent years. These noise-protected
devices constitute a new class of qubits in which the computational states
are largely decoupled from local noise channels. The main challenges in
engineering such systems are simultaneously guarding against both bit- and
phase-flip errors, and also ensuring high-fidelity qubit control. In this
talk, we review the theoretical principles at the heart of these new qubits,
describes recent experiments, and highlights the potential of robust encoding
of quantum information in superconducting qubits.

PRX Quantum 2, 030101 (2021)
PRX Quantum 2, 010339 (2021)
Phys. Rev. Applied 14, 054033 (2020)

  • [Fizinfo] Tuesday 16:15 -- Andras Gyenis on Noise-protected superconducting qubits, Andras Palyi, 12/10/2021

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