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Fink Group

Quantum Integrated Devices

The Fink group’s research is positioned between quantum optics and mesoscopic condensed matter physics. The team studies quantum physics in electrical, mechanical, and optical chip-based devices with the goal of advancing quantum technology for simulation, communication, metrology, and sensing.
One of the Fink group’s goals is to develop a router that converts a microwave photon to an optical photon with near-unity efficiency. With such devices, the researchers seek to perform quantum communication between superconducting circuits via robust fiber optic links at room temperature. Another focus area of the team is to develop new qubit-encoding concepts that offer intrinsic protection from noisy environments. The group has observed fluxon lifetimes of more than three hours in a recently demonstrated superconducting qubit and is exploring new concepts of dynamical control to implement nanosecond timescale quantum gates in such circuits.




Team

Image of Alejandro Andres Juanes

Alejandro Andres Juanes

PhD Student

Image of Georg Arnold

Georg Arnold

PhD Student

+43 2243 9000 2031

Image of Farid Hassani

Farid Hassani

PhD Student

+43 2243 9000 2125


Image of Lucky Kapoor

Lucky Kapoor

PhD Student

Image of Andrei Militaru

Andrei Militaru

Postdoc

Image of Rishabh Sahu

Rishabh Sahu

Postdoc

+43 2243 9000 2125


Image of Jennifer Sanchez Naranjo

Jennifer Sanchez Naranjo

PhD Student

Image of Riya Sett

Riya Sett

PhD Student

Image of Christian Siegele

Christian Siegele

Postdoc


Image of Andrea Trioni

Andrea Trioni

PhD Student

Image of Thomas Werner

Thomas Werner

PhD Student


Current Projects

Circuit and waveguide quantum electrodynamics | Quantum electro- and optomechanics | Quantum electro-optics and microwave photonics | Ultra-high impedance physics | Hardware-protected qubits | Multi-qubit quantum electrodynamics | Resonant nonlinear optics


Publications

Caballero Mancebo S, Shinde R, Bolger-Munro M, Peruzzo M, Szep G, Steccari I, Labrousse Arias D, Zheden V, Merrin J, Callan-Jones A, Voituriez R, Heisenberg C-PJ. 2024. Friction forces determine cytoplasmic reorganization and shape changes of ascidian oocytes upon fertilization. Nature Physics. View

Fan ZY, Qiu L, Gröblacher S, Li J. 2023. Microwave-optics entanglement via cavity optomagnomechanics. Laser and Photonics Reviews. 17(12), 2200866. View

Mukhopadhyay S, Senior JL, Saez Mollejo J, Puglia D, Zemlicka M, Fink JM, Higginbotham AP. 2023. Superconductivity from a melted insulator in Josephson junction arrays. Nature Physics. 19, 1630–1635. View

Fedotova E, Kuznetsov N, Tiunov E, Ulanov AE, Lvovsky AI. 2023. Continuous-variable quantum tomography of high-amplitude states. Physical Review A. 108(4), 042430. View

Zemlicka M, Redchenko E, Peruzzo M, Hassani F, Trioni A, Barzanjeh S, Fink JM. 2023. Compact vacuum-gap transmon qubits: Selective and sensitive probes for superconductor surface losses. Physical Review Applied. 20(4), 044054. View

View All Publications

ReX-Link: Johannes Fink


Career

Since 2021 Professor, Institute of Science and Technology Austria (ISTA)
2016 – 2021 Assistant Professor, Institute of Science and Technology Austria (ISTA)
2015 – 2016 Senior Staff Scientist, California Institute of Technology, Pasadena, USA
2012 – 2015 IQIM Postdoctoral Research Scholar, California Institute of Technology, Pasadena, USA
2011 – 2012 Postdoctoral Research Fellow, ETH Zurich, Switzerland
2010 PhD, ETH Zurich, Switzerland


Selected Distinctions

2023 ERC Consolidator Grant
2018 Fritz Kohlrausch Award
2017 ERC Starting Grant
2012 IQIM Postdoctoral Prize Fellowship
2010 ETH Medal for Outstanding Dissertation
2009 CSF Award at the QSIT Conference on Quantum Engineering


Additional Information

Download CV
View group website
Physics & Beyond at ISTA



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