PaperDecoherence of floating qubits due to capacitive coupling http://www.njp.org/ 25 march 2009Matthias Steffen, Frederico Brito, et al.New Journal of Physics
PaperHigh-coherence hybrid superconducting qubitMatthias Steffen, Shwetank Kumar, et al.Physical Review Letters
PaperMillimeter-wave lumped element superconducting bandpass filters for multi-color imagingShwetank Kumar, Anastasios Vayonakis, et al.IEEE TAS
PaperReadout for phase qubits without Josephson junctionsMatthias Steffen, Shwetank Kumar, et al.Applied Physics Letters