scholarly journals Ultrawide-range photon number calibration using a hybrid system combining nano-electromechanics and superconducting circuit quantum electrodynamics

2018 ◽  
Vol 113 (15) ◽  
pp. 152601 ◽  
Author(s):  
Philip Schmidt ◽  
Daniel Schwienbacher ◽  
Matthias Pernpeintner ◽  
Friedrich Wulschner ◽  
Frank Deppe ◽  
...  
Keyword(s):  
Hybrid System ◽  
Quantum Electrodynamics ◽  
Photon Number ◽  
Circuit Quantum Electrodynamics ◽  
Superconducting Circuit

scholarly journals Two-resonator circuit quantum electrodynamics: Dissipative theory

2010 ◽  
Vol 81 (14) ◽  
Author(s):  
Georg M. Reuther ◽  
David Zueco ◽  
Frank Deppe ◽  
Elisabeth Hoffmann ◽  
Edwin P. Menzel ◽  
...  
Keyword(s):  
Quantum Electrodynamics ◽  
Circuit Quantum Electrodynamics

scholarly journals Efficient transfer of an arbitrary qutrit state in circuit quantum electrodynamics

2015 ◽  
Vol 40 (23) ◽  
pp. 5602 ◽  
Author(s):  
Tong Liu ◽  
Shao-Jie Xiong ◽  
Xiao-Zhi Cao ◽  
Qi-Ping Su ◽  
Chui-Ping Yang
Keyword(s):  
Quantum Electrodynamics ◽  
Circuit Quantum Electrodynamics ◽  
Efficient Transfer

scholarly journals Critical slowing down in circuit quantum electrodynamics

2021 ◽  
Vol 7 (21) ◽  
pp. eabe9492
Author(s):  
Paul Brookes ◽  
Giovanna Tancredi ◽  
Andrew D. Patterson ◽  
Joseph Rahamim ◽  
Martina Esposito ◽  
...  
Keyword(s):  
Quantum Electrodynamics ◽  
Quantum Circuit ◽  
Critical Slowing Down ◽  
Microwave Cavity ◽  
Many Body ◽  
Circuit Quantum Electrodynamics ◽  
Slowing Down ◽  
The Rich ◽  
First Order Phase ◽  
Shed Light

Critical slowing down of the time it takes a system to reach equilibrium is a key signature of bistability in dissipative first-order phase transitions. Understanding and characterizing this process can shed light on the underlying many-body dynamics that occur close to such a transition. Here, we explore the rich quantum activation dynamics and the appearance of critical slowing down in an engineered superconducting quantum circuit. Specifically, we investigate the intermediate bistable regime of the generalized Jaynes-Cummings Hamiltonian (GJC), realized by a circuit quantum electrodynamics (cQED) system consisting of a transmon qubit coupled to a microwave cavity. We find a previously unidentified regime of quantum activation in which the critical slowing down reaches saturation and, by comparing our experimental results with a range of models, we shed light on the fundamental role played by the qubit in this regime.

scholarly journals Cutoff-Free Circuit Quantum Electrodynamics

2017 ◽  
Vol 119 (7) ◽  
Author(s):  
Moein Malekakhlagh ◽  
Alexandru Petrescu ◽  
Hakan E. Türeci
Keyword(s):  
Quantum Electrodynamics ◽  
Circuit Quantum Electrodynamics
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