The performance of superconducting circuits for quantum computing is limited by materials losses. In particular, coherence times are typically bounded by two-level system (TLS) …
Materials imperfections in planar superconducting quantum circuits—in particular, two-level- system (TLS) defects—contribute significantly to decoherence, ultimately limiting the …
J Burnett, L Faoro, I Wisby, VL Gurtovoi… - Nature …, 2014 - nature.com
The performance of a great variety of electronic devices—ranging from semiconductor transistors to superconducting qubits—is hampered by low-frequency noise with spectra …
We use a tunneling model for two-level systems in insulators that takes into account the interaction between them and a slow power-law dependence of their density of states. We …
$1/f $ noise caused by microscopic Two-Level Systems (TLS) is known to be very detrimental to the performance of superconducting quantum devices but the nature of these …
The loss and noise mechanisms of superconducting resonators are useful tools for understanding decoherence in superconducting circuits. While the loss mechanisms have …
We report on a simple yet versatile design for a tunable superconducting microstrip resonator. Niobium nitride is employed as the superconducting material and aluminum …
The analytical solution for the low-temperature 1/f noise in the microwave dielectric constant of amorphous films at frequency ν 0∼ 5 GHz due to tunneling two-level systems (TLSs) is …
The accuracy of microwave measurements is not only critical for applications in telecommunication and radar but also for future quantum computers. Qubit technologies …