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Circuit Quantum Electrodynamics with Carbon-Nanotube-Based Superconducting Quantum Circuits

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Circuit Quantum Electrodynamics with Carbon-Nanotube-Based Superconducting Quantum Circuits. / Mergenthaler, M.; Nersisyan, A.; Patterson, A. et al.

In: Physical Review Applied, Vol. 15, No. 6, 064050, 30.06.2021.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Mergenthaler, M, Nersisyan, A, Patterson, A, Esposito, M, Baumgartner, A, Schönenberger, C, Briggs, GAD, Laird, EA & Leek, PJ 2021, 'Circuit Quantum Electrodynamics with Carbon-Nanotube-Based Superconducting Quantum Circuits', Physical Review Applied, vol. 15, no. 6, 064050. https://doi.org/10.1103/PhysRevApplied.15.064050

APA

Mergenthaler, M., Nersisyan, A., Patterson, A., Esposito, M., Baumgartner, A., Schönenberger, C., Briggs, G. A. D., Laird, E. A., & Leek, P. J. (2021). Circuit Quantum Electrodynamics with Carbon-Nanotube-Based Superconducting Quantum Circuits. Physical Review Applied, 15(6), [064050]. https://doi.org/10.1103/PhysRevApplied.15.064050

Vancouver

Mergenthaler M, Nersisyan A, Patterson A, Esposito M, Baumgartner A, Schönenberger C et al. Circuit Quantum Electrodynamics with Carbon-Nanotube-Based Superconducting Quantum Circuits. Physical Review Applied. 2021 Jun 30;15(6):064050. Epub 2021 Jun 21. doi: 10.1103/PhysRevApplied.15.064050

Author

Mergenthaler, M. ; Nersisyan, A. ; Patterson, A. et al. / Circuit Quantum Electrodynamics with Carbon-Nanotube-Based Superconducting Quantum Circuits. In: Physical Review Applied. 2021 ; Vol. 15, No. 6.

Bibtex

@article{1b23e097899749919bb817902b58eb92,
title = "Circuit Quantum Electrodynamics with Carbon-Nanotube-Based Superconducting Quantum Circuits",
abstract = "Hybrid circuit QED involves the study of coherent quantum physics in solid-state systems via their interactions with superconducting microwave circuits. Here we present a crucial step in the implementation of a hybrid superconducting qubit that employs a carbon nanotube as a Josephson junction. We realize the junction by contacting a carbon nanotube with a superconducting Pd/Al bilayer, and implement voltage tunability of the quantum circuit's frequency using a local electrostatic gate. We demonstrate a strong dispersive coupling to a coplanar waveguide resonator by investigating the gate-tunable resonator frequency. We extract qubit parameters from spectroscopy using dispersive readout and find qubit relaxation and coherence times in the range of 10-200ns. ",
keywords = "Coplanar waveguides, Electric network analysis, Electrodynamics, Microwave circuits, Quantum theory, Qubits, Resonators, Semiconductor junctions, Timing circuits, Electrostatic gates, Quantum electrodynamics, Solid-state system, Superconducting quantum circuit, Superconducting qubits, Tunable resonators, Voltage tunability, Waveguide resonators, Carbon nanotubes",
author = "M. Mergenthaler and A. Nersisyan and A. Patterson and M. Esposito and A. Baumgartner and C. Sch{\"o}nenberger and G.A.D. Briggs and E.A. Laird and P.J. Leek",
note = "{\textcopyright} 2021 American Physical Society ",
year = "2021",
month = jun,
day = "30",
doi = "10.1103/PhysRevApplied.15.064050",
language = "English",
volume = "15",
journal = "Physical Review Applied",
issn = "2331-7019",
publisher = "American Physical Society",
number = "6",

}

RIS

TY - JOUR

T1 - Circuit Quantum Electrodynamics with Carbon-Nanotube-Based Superconducting Quantum Circuits

AU - Mergenthaler, M.

AU - Nersisyan, A.

AU - Patterson, A.

AU - Esposito, M.

AU - Baumgartner, A.

AU - Schönenberger, C.

AU - Briggs, G.A.D.

AU - Laird, E.A.

AU - Leek, P.J.

N1 - © 2021 American Physical Society

PY - 2021/6/30

Y1 - 2021/6/30

N2 - Hybrid circuit QED involves the study of coherent quantum physics in solid-state systems via their interactions with superconducting microwave circuits. Here we present a crucial step in the implementation of a hybrid superconducting qubit that employs a carbon nanotube as a Josephson junction. We realize the junction by contacting a carbon nanotube with a superconducting Pd/Al bilayer, and implement voltage tunability of the quantum circuit's frequency using a local electrostatic gate. We demonstrate a strong dispersive coupling to a coplanar waveguide resonator by investigating the gate-tunable resonator frequency. We extract qubit parameters from spectroscopy using dispersive readout and find qubit relaxation and coherence times in the range of 10-200ns.

AB - Hybrid circuit QED involves the study of coherent quantum physics in solid-state systems via their interactions with superconducting microwave circuits. Here we present a crucial step in the implementation of a hybrid superconducting qubit that employs a carbon nanotube as a Josephson junction. We realize the junction by contacting a carbon nanotube with a superconducting Pd/Al bilayer, and implement voltage tunability of the quantum circuit's frequency using a local electrostatic gate. We demonstrate a strong dispersive coupling to a coplanar waveguide resonator by investigating the gate-tunable resonator frequency. We extract qubit parameters from spectroscopy using dispersive readout and find qubit relaxation and coherence times in the range of 10-200ns.

KW - Coplanar waveguides

KW - Electric network analysis

KW - Electrodynamics

KW - Microwave circuits

KW - Quantum theory

KW - Qubits

KW - Resonators

KW - Semiconductor junctions

KW - Timing circuits

KW - Electrostatic gates

KW - Quantum electrodynamics

KW - Solid-state system

KW - Superconducting quantum circuit

KW - Superconducting qubits

KW - Tunable resonators

KW - Voltage tunability

KW - Waveguide resonators

KW - Carbon nanotubes

U2 - 10.1103/PhysRevApplied.15.064050

DO - 10.1103/PhysRevApplied.15.064050

M3 - Journal article

VL - 15

JO - Physical Review Applied

JF - Physical Review Applied

SN - 2331-7019

IS - 6

M1 - 064050

ER -