Coherent dynamics of atomic spins on a surface

This thesis presents experiments on the free, coherent spin dynamics ofmagnetic nanostructures built out of individual titanium atoms adsorbed on bilayer MgOislands grown on a Ag(100) crystal inside a scanning tunneling microscope (STM).We use the exchange field of the spin-polarized probe tip to tune the eigenstates of the magnetic structures...

Building blocks for atomically assembled magnetic and electronic artificial lattices

This thesis focuses on possible platforms for a bottom-up approach towards realizing and characterizing atomically assembled magnetic and electronic artificial lattices. For this, we make use of the scanning tunneling microscope (STM), which provides a local probe of the magnetic and electronic properties of the sample and allows for the atom-by...

Tunable quantum interfaces between superconducting qubits and microwave photons induced by extreme driving

In this work, I investigate how to implement and quantify \emph{in-situ} tunable quantum interface between superconducting qubits and resonators using external transverse driving fields beyond the rotating wave approximation (RWA). When studying the system under the time-periodic driving field, we typically rely on RWA, a useful technique that...

Measuring and controlling radio-frequency quanta with superconducting circuits

In this thesis, we will present the theoretical and experimental work that led to the realization of Radio-Frequency Circuit QuantumElectro-Dynamics (RFcQED). In chapter 1, I will introduce the field of circuit quantum electrodynamics (QED), and the motivations for extending this field to radio frequencies. In chapter 2, we provide a detailed...