… These lectures are devoted to understanding the basic components of quantum machines
that can be constructed from superconducting electrical circuits. These circuits can be used to …

… a microwave photon counter demonstrating raw single-shot measurement fidelity of 92%.
Moreover, the intrinsic damping of the photon counter … In the context of superconducting qubits, …

… to microwave circuits with superconducting qubits playing the … nanoseconds for the first
superconducting qubit created in 1999 [3] … ’ and individual microwave photons. The concept of the …

… demand single-photon source, where the microwave photons are injected … microwave
transmission line cavity that enhances the spontaneous emission of a single superconducting qubit…

… superconducting qubits. Here, we demonstrate coherent coupling between a superconducting
transmon qubit … (DQD) charge qubit mediated by virtual microwave photon excitations in a …

… We also show that a Greenberger-Horne-Zeilinger (GHZ) state of four superconducting
qubits embedded in four different resonators can be created with this scheme. In principle, the …

… state in such a conversion process with superconducting qubits has not yet been …
microwave-frequency excitation of a transmon—a type of superconducting qubit—into an optical …

… a superconducting qubit and propagating microwave fields composed of zero-, one-, and
twophoton … the qubit and the photon states and demonstrate entanglement with high fidelity. …

… a superconducting qubit, we show that this photonic link can meet the stringent requirements
of superconducting … We define the microwave photon flux \(\dot{n}={P}_{{\rm{\mu }}}/\hslash \…

… We have fabricated and characterised a superconducting qubit multiplexing circuit that
appears to be promising for single microwave photon generation. We note that the resonators’ …