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Fast two-bit operations in inductively coupled flux qubits
J. Q. You, Y. Nakamura, Franco Nori
A central problem for implementing efficient quantum computing is how to realize fast operations (both one- and two-bit ones). However, this is difficult to achieve for a collectio…
Scalable quantum computing with Josephson charge qubits
J. Q. You, J. S. Tsai, Franco Nori
A goal of quantum information technology is to control the quantum state of a system, including its preparation, manipulation, and measurement. However, scalability to many qubits…
Quantum computing with many superconducting qubits
J. Q. You, J. S. Tsai, Franco Nori
Two of the major obstacles to achieve quantum computing (QC) are (i) scalability to many qubits and (ii) controlled connectivity between any selected qubits. Using Josephson charge…
Controllable manipulation and entanglement of macroscopic quantum states in coupled charge qubits
J. Q. You, J. S. Tsai, Franco Nori
We present an experimentally implementable method to couple Josephson charge qubits and to generate and detect macroscopic entangled states. A large-junction superconducting quantu…
Quantum information processing with superconducting qubits in a microwave field
J. Q. You, Franco Nori
We investigate the quantum dynamics of a Cooper-pair box with a superconducting loop in the presence of a nonclassical microwave field. We demonstrate the existence of Rabi oscilla…