A proximitized quantum dot in germanium

Kavli Affiliate: Menno Veldhorst | First 5 Authors: Lazar Lakic, William I. L. Lawrie, David van Driel, Lucas E. A. Stehouwer, Menno Veldhorst | Summary: Planar germanium quantum wells have recently been shown to host a hard-gapped superconductor-semiconductor interface. Additionally, quantum dot spin qubits in germanium are well-suited for quantum information processing, with isotopic purification […]


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A quantum dot in germanium proximitized by a superconductor

Kavli Affiliate: Giordano Scappucci | First 5 Authors: Lazar Lakic, William I. L. Lawrie, David van Driel, Lucas E. A. Stehouwer, Yao Su | Summary: Planar germanium quantum wells have recently been shown to host hard-gapped superconductivity. Additionally, quantum dot spin qubits in germanium are well-suited for quantum information processing, with isotopic purification to a […]


Continue.. A quantum dot in germanium proximitized by a superconductor

A quantum dot in germanium proximitized by a superconductor

Kavli Affiliate: Menno Veldhorst | First 5 Authors: Lazar Lakic, William I. L. Lawrie, David van Driel, Lucas E. A. Stehouwer, Yao Su | Summary: Planar germanium quantum wells have recently been shown to host hard-gapped superconductivity. Additionally, quantum dot spin qubits in germanium are well-suited for quantum information processing, with isotopic purification to a […]


Continue.. A quantum dot in germanium proximitized by a superconductor

Performance of Superconducting Resonators Suspended on SiN Membranes

Kavli Affiliate: Feng Wang | First 5 Authors: Trevor Chistolini, Kyunghoon Lee, Archan Banerjee, Mohammed Alghadeer, Christian Jünger | Summary: Correlated errors in superconducting circuits due to nonequilibrium quasiparticles are a notable concern in efforts to achieve fault tolerant quantum computing. The propagation of quasiparticles causing these correlated errors can potentially be mediated by phonons […]


Continue.. Performance of Superconducting Resonators Suspended on SiN Membranes

Performance of Superconducting Resonators Suspended on SiN Membranes

Kavli Affiliate: Irfan Siddiqi | First 5 Authors: Trevor Chistolini, Kyunghoon Lee, Archan Banerjee, Mohammed Alghadeer, Christian Jünger | Summary: Suspending devices on thin SiN membranes can limit their interaction with the bulk substrate and reduce parasitic capacitance to ground. While suspending devices on membranes is used in many fields including radiation detection using superconducting […]


Continue.. Performance of Superconducting Resonators Suspended on SiN Membranes

Performance of Superconducting Resonators Suspended on SiN Membranes

Kavli Affiliate: Feng Wang | First 5 Authors: Trevor Chistolini, Kyunghoon Lee, Archan Banerjee, Mohammed Alghadeer, Christian Jünger | Summary: Suspending devices on thin SiN membranes can limit their interaction with the bulk substrate and reduce parasitic capacitance to ground. While suspending devices on membranes is used in many fields including radiation detection using superconducting […]


Continue.. Performance of Superconducting Resonators Suspended on SiN Membranes

Dynamical Freezing in Exactly Solvable Models of Driven Chaotic Quantum Dots

Kavli Affiliate: Debanjan Chowdhury | First 5 Authors: Haoyu Guo, Rohit Mukherjee, Debanjan Chowdhury, , | Summary: The late-time equilibrium behavior of generic interacting models is determined by the coupled hydrodynamic equations associated with the globally conserved quantities. In the presence of an external time-dependent drive, non-integrable systems typically thermalize to an effectively infinite-temperature state, […]


Continue.. Dynamical Freezing in Exactly Solvable Models of Driven Chaotic Quantum Dots

Dynamical Freezing in Exactly Solvable Models of Driven Chaotic Quantum Dots

Kavli Affiliate: Debanjan Chowdhury | First 5 Authors: Haoyu Guo, Rohit Mukherjee, Debanjan Chowdhury, , | Summary: The late-time equilibrium behavior of generic interacting models is determined by the coupled hydrodynamic equations associated with the globally conserved quantities. In the presence of an external time-dependent drive, non-integrable systems typically thermalize to an effectively infinite-temperature state, […]


Continue.. Dynamical Freezing in Exactly Solvable Models of Driven Chaotic Quantum Dots

Dynamical Freezing in Exactly Solvable Models of Driven Chaotic Quantum Dots

Kavli Affiliate: Debanjan Chowdhury | First 5 Authors: Haoyu Guo, Rohit Mukherjee, Debanjan Chowdhury, , | Summary: The late-time equilibrium behavior of generic interacting models is determined by the coupled hydrodynamic equations associated with the globally conserved quantities. In the presence of an external time-dependent drive, non-integrable systems typically thermalize to an effectively infinite-temperature state, […]


Continue.. Dynamical Freezing in Exactly Solvable Models of Driven Chaotic Quantum Dots

Excitation-Dependent Features and Artifacts in 2-D Terahertz Spectroscopy

Kavli Affiliate: Ankit Disa | First 5 Authors: Albert Liu, Ankit Disa, , , | Summary: Recently, two-dimensional terahertz spectroscopy (2DTS) has attracted increasing attention for studying complex solids. A number of recent studies have applied 2DTS either with long pulses or away from any material resonances, situations that yield unconventional 2DTS spectra that are […]


Continue.. Excitation-Dependent Features and Artifacts in 2-D Terahertz Spectroscopy