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High quality quasinormal modes of phononic crystals for quantum acoustodynamics
Aleksey N. Bolgar, Shtefan V. Sanduleanu, Aleksandr Strelnikov +1
Phononic crystals are a promising platform for the study of quantum acoustodynamics. In a recent experiment, the interaction of a superconducting quantum bit with modes of a phonon…
Highly stable aluminum air-bridges with stiffeners
Aleksey N. Bolgar, Daria A. Kalacheva, Viktor B. Lubsanov +4
Air-bridges play a critical role in the performance of microwave circuits integrated with superconducting quantum bits, and their mechanical stability is predominant for reliable o…
Feasibility of the Josephson voltage and current standards on a single chip
Rais S. Shaikhaidarov, Ilya Antonov, Kyung Ho Kim +4
The quantum Josephson voltage standard is well established across the metrology community for many years. It relies on the synchronisation of the flux tunneling in the S/I/S Joseps…
Direct experimental observation of sub-poissonian photon statistics by means of multi-photon scattering on a two-level system
A. Yu. Dmitriev, A. V. Vasenin, S. A. Gunin +4
A cascade of two-level superconducting artificial atoms -- a source and a probe -- strongly coupled to a semi-infinite waveguide is a promising tool for observing nontrivial phenom…
Quantized current steps due to the synchronization of microwaves with Bloch oscillations in small Josephson junctions
Rais S. Shaikhaidarov, Kyung Ho Kim, Jacob Dunstan +4
Synchronization of Bloch oscillations in small Josephson junctions (JJs) under microwave radiation, which leads to current quantization, has been proposed as an effect that is dual…
Dynamics and Resonance Fluorescence from a Superconducting Artificial Atom Doubly Driven by Quantized and Classical Fields
Xinhui Ruan, Jia-Heng Wang, Dong He +11
We report an experimental demonstration of resonance fluorescence in a two-level superconducting artificial atom under two driving fields coupled to a detuned cavity. One of the fi…