315 citations · 500 across the 6 of their papers we have counts for
9 papers
Electronic cooling of a submicron-sized metallic beam
J. T. Muhonen, A. O. Niskanen, M. Meschke +5
We demonstrate electronic cooling of a suspended AuPd island using superconductor-insulator-normal metal tunnel junctions. This was achieved by developing a simple fabrication meth…
Spectroscopy of superconducting charge qubits coupled by a Josephson inductance
T. Yamamoto, M. Watanabe, J. Q. You +5
We have designed and experimentally implemented a circuit of inductively-coupled superconducting charge qubits, where a Josephson junction is used as an inductance, and the couplin…
Single artificial-atom lasing
O. Astafiev, K. Inomata, A. O. Niskanen +4
Solid-state superconducting circuits are versatile systems in which quantum states can be engineered and controlled. Recent progress in this area has opened up exciting possibiliti…
Parity effect in Al and Nb single electron transistors in a tunable environment
A. M. Savin, M. Meschke, J. P. Pekola +4
Two different types of Cooper pair transistors, with Al and Nb islands, have been investigated in a tunable electromagnetic environment. The device with an Al island demonstrates g…
Parity effect in superconducting aluminum single electron transistors with spatial gap profile controlled by film thickness
T. Yamamoto, Y. Nakamura, Yu. A. Pashkin +2
We propose a novel method for suppression of quasiparticle poisoning in Al Coulomb blockade devices. The method is based on creation of a proper energy gap profile along the device…
Temperature square dependence of the low frequency 1/f charge noise in the Josephson junction qubits
O. Astafiev, Yu. A. Pashkin, Y. Nakamura +2
To verify the hypothesis about the common origin of the low frequency 1/f noise and the quantum f noise recently measured in the Josephson charge qubits, we study temperature depen…