Microwave spectroscopy of interacting Andreev spins

Kavli Affiliate: L. P. Kouwenhoven | First 5 Authors: J. J. Wesdorp, F. J. Matute-Caňadas, A. Vaartjes, L. Grünhaupt, T. Laeven | Summary: Andreev bound states are fermionic states localized in weak links between superconductors which can be occupied with spinful quasiparticles. Microwave experiments using superconducting circuits with InAs/Al nanowire Josephson junctions have recently enabled […]


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Microwave spectroscopy of interacting Andreev spins

Kavli Affiliate: L. P. Kouwenhoven | First 5 Authors: J. J. Wesdorp, F. J. Matute-Caňadas, A. Vaartjes, L. Grünhaupt, T. Laeven | Summary: Andreev bound states are fermionic states localized in weak links between superconductors which can be occupied with spinful quasiparticles. Microwave experiments using superconducting circuits with InAs/Al nanowire Josephson junctions have recently enabled […]


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Microwave-optics Entanglement via Cavity Optomagnomechanics

Kavli Affiliate: Simon Groblacher | First 5 Authors: Zhi-Yuan Fan, Liu Qiu, Simon Gröblacher, Jie Li, | Summary: Microwave-optics entanglement is a vital component for building hybrid quantum networks. Here we show how to prepare stationary entanglement between microwave and optical cavity fields in a cavity optomagnomechanical system. It consists of a magnon mode in […]


Continue.. Microwave-optics Entanglement via Cavity Optomagnomechanics

Microwave-optics Entanglement via Cavity Optomagnomechanics

Kavli Affiliate: Simon Groblacher | First 5 Authors: Zhi-Yuan Fan, Liu Qiu, Simon Gröblacher, Jie Li, | Summary: Microwave-optics entanglement is a vital component for building hybrid quantum networks. Here, a new mechanism for preparing stationary entanglement between microwave and optical cavity fields in a cavity optomagnomechanical system is proposed. It consists of a magnon […]


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Modelling of planar germanium hole qubits in electric and magnetic fields

Kavli Affiliate: Menno Veldhorst | First 5 Authors: Chien-An Wang, Ercan Ekmel, Mark Gyure, Giordano Scappucci, Menno Veldhorst | Summary: Hole-based spin qubits in strained planar germanium quantum wells have received considerable attention due to their favourable properties and remarkable experimental progress. The sizeable spin-orbit interaction in this structure allows for efficient qubit operations with […]


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Requirements for a processing-node quantum repeater on a real-world fiber grid

Kavli Affiliate: Stephanie Wehner | First 5 Authors: Guus Avis, Francisco Ferreira da Silva, Tim Coopmans, Axel Dahlberg, Hana Jirovská | Summary: We numerically study the distribution of entanglement between the Dutch cities of Delft and Eindhoven realized with a processing-node quantum repeater and determine minimal hardware requirements for verifiable blind quantum computation using color […]


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Controlling Andreev bound states with the magnetic vector potential

Kavli Affiliate: Srijit Goswami | First 5 Authors: Christian M. Moehle, Prasanna K. Rout, Nayan A. Jainandunsing, Dibyendu Kuiri, Chung Ting Ke | Summary: Tunneling spectroscopy measurements are often used to probe the energy spectrum of Andreev bound states (ABSs) in semiconductor-superconductor hybrids. Recently, this spectroscopy technique has been incorporated into planar Josephson junctions (JJs) […]


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Experimental Determination of a Single Atom Ground State Orbital through Hyperfine Anisotropy

Kavli Affiliate: Sander Otte | First 5 Authors: Laëtitia Farinacci, Lukas M. Veldman, Philip Willke, Sander Otte, | Summary: Historically, electron spin resonance (ESR) has provided excellent insight into the electronic, magnetic, and chemical structure of samples hosting spin centers. In particular, the hyperfine interaction between the electron and the nuclear spins yields valuable structural […]


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Filtering and imaging of frequency-degenerate spin waves using nanopositioning of a single-spin sensor

Kavli Affiliate: Toeno Van Der Sar | First 5 Authors: Brecht G. Simon, Samer Kurdi, Joris J. Carmiggelt, Michael Borst, Allard Katan | Summary: Nitrogen-vacancy (NV) magnetometry is a new technique for imaging spin waves in magnetic materials. It detects spin waves by their microwave magnetic stray fields, which decay evanescently on the scale of […]


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Coherent feedback in optomechanical systems in the sideband-unresolved regime

Kavli Affiliate: Simon Groblacher | First 5 Authors: Jingkun Guo, Simon Gröblacher, , , | Summary: Preparing macroscopic mechanical resonators close to their motional quantum groundstate and generating entanglement with light offers great opportunities in studying fundamental physics and in developing a new generation of quantum applications. Here we propose an experimentally interesting scheme, which […]


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