56 citations · 56 across the 3 of their papers we have counts for
3 papers
quant-ph2015
On-chip quantum feedback control of a superconducting qubit
K. Kakuyanagi, A. Kemp, T. Baba +4
Quantum feedback is a technique for measuring a qubit and applying appropriate feedback depending on the measurement results. Here, we propose a new on-chip quantum feedback method…
cond-mat.supr-con2010
Readout strength dependence of state projection in superconducting qubit
K. Kakuyanagi, H. Nakano, S. Kagei +4
We have controlled the measurement strength of the qubit readout process by using a Josephson bifurcation amplifier (JBA : an AC-driven SQUID). The optimum readout pulse changes th…
cond-mat.supr-con2001★ 56 cited
Quasiparticle excitation in and around the vortex core of underdoped YBa_2Cu_4O_8 studied by site-selective NMR
K. Kakuyanagi, K. Kumagai, Yuji Matsuda
We report a site-selective ^{17}O spin-lattice relaxation rate T_1^{-1} in the vortex state of underdoped YBa_2Cu_4O_8. We found that T_1^{-1} at the planar sites exhibits an unusu…