Analysis of the spectroscopy of a hybrid system composed of a superconducting flux qubit and diamond NV centers
Cai, H. · Matsuzaki, Y. · Kakuyanagi, K. · Toida, H. · Zhu, X. · Mizuochi, N. · Nemoto, K. · Semba, K. · Munro, W. J. · Saito, S. · Yamaguchi, H.
Original · EN
A hybrid system that combines the advantages of a superconducting flux qubit and an electron spin ensemble in diamond is one of the promising devices to realize quantum information processing. Exploring the properties of the superconductor diamond system is essential for the efficient use of this device. When we perform spectroscopy of this system, significant power broadening is observed. However, previous models to describe this system are known to be applicable only when the power broadening is negligible. Here, we construct a new approach to analyze this system with strong driving, and succeed to reproduce the spectrum with the power broadening. Our results provide an efficient way to analyze this hybrid system.
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