Tunable coupling engineering between superconducting resonators: From sidebands to effective gauge fields
In this work we show that a tunable coupling between microwave resonators can be
engineered by means of simple Josephson junctions circuits, such as dc and rf …
engineered by means of simple Josephson junctions circuits, such as dc and rf …
Arbitrary rotation and entanglement of flux SQUID qubits
We propose an approach for the arbitrary rotation of a three-level superconducting quantum
interference device (SQUID) qubit and describe a strategy for the creation of coherence …
interference device (SQUID) qubit and describe a strategy for the creation of coherence …
-qubit-controlled phase gate with superconducting quantum-interference devices coupled to a resonator
CP Yang, S Han - Physical Review A—Atomic, Molecular, and Optical …, 2005 - APS
We present a way to realize an n-qubit controlled phase gate with superconducting quantum-
interference devices (SQUIDs) by coupling them to a superconducting resonator. In this …
interference devices (SQUIDs) by coupling them to a superconducting resonator. In this …
Engineering dissipative channels for realizing Schrödinger cats in SQUIDs
We show that by engineering the interaction with the environment, there exists a large class
of systems that can evolve irreversibly to a cat state. To be precise, we show that it is …
of systems that can evolve irreversibly to a cat state. To be precise, we show that it is …
Superconducting analogs of quantum optical phenomena: Macroscopic quantum superpositions and squeezing in a superconducting quantum-interference device …
In this paper we explore the quantum behavior of a superconducting quantum-interference
device (SQUID) ring which has a significant Josephson coupling energy. We show that the …
device (SQUID) ring which has a significant Josephson coupling energy. We show that the …
Quantum superpositions of clockwise and counterclockwise supercurrent states in the dynamics of an rf-SQUID exposed to a quantized electromagnetic field
R Migliore, A Messina - Physical Review B, 2003 - APS
The dynamical behavior of a superconducting quantum interference device (an rf-SQUID)
irradiated by a single-mode quantized electromagnetic field is theoretically investigated …
irradiated by a single-mode quantized electromagnetic field is theoretically investigated …
Dynamical behavior of two locally coupled asymmetric RF-SQUIDs
An asymmetric system consisting of two coupled radio frequency superconducting quantum
interference devices (RF-SQUIDs) with general geometry as nonlinear macroscopic system …
interference devices (RF-SQUIDs) with general geometry as nonlinear macroscopic system …
Maximally entangled states of two flux qubits in a microwave cavity
R Migliore, A Messina - Physical Review B—Condensed Matter and Materials …, 2005 - APS
The quantum dynamics of two superconducting flux qubits in the presence of a nonclassical
microwave field of a resonant cavity is investigated. We propose a quantum computing …
microwave field of a resonant cavity is investigated. We propose a quantum computing …
Simplified approach to implementing controlled-unitary operations in a two-qubit system
P Kumar, SR Skinner - Physical Review A—Atomic, Molecular, and Optical …, 2007 - APS
We introduce a scheme for realizing arbitrary controlled-unitary operations in a two-qubit
system. If the 2× 2 unitary matrix is special unitary (has unit determinant), the controlled …
system. If the 2× 2 unitary matrix is special unitary (has unit determinant), the controlled …
Influence of the asymmetry of the potential on the dynamics of a two-level superconducting quantum interference device qubit
We analyze the interaction of a two-level superconducting quantum interference device
(SQUID) qubit with a classical microwave pulse. The rf-SQUID is characterized by an …
(SQUID) qubit with a classical microwave pulse. The rf-SQUID is characterized by an …