CIRCUIT QUANTUM ELECTRODYNAMICS WITH QUANTUM DOTS

Abstract

The advent of circuit Quantum Electrodynamics (cQED) has allowed for the creation and manipulation of atom-like systems with quantum behavior using standard nanofabrication techniques. This work explores the implementation of side-coupled superconducting niobium resonators on sapphire and silicon, with future applications towards the integration of quantum dots. The overall goal of the project was to create a frequency-domain multiplexing device, which would allow for the integration of multiple quantum dots on a single device. Simulation and measurement results are presented for the multiplexing device, including discussions on quality factor. Here, we also propose a design for an instrument to simultaneously measure an arbitrary number of qubits in real time before the typical qubit lifetime has passed. Both the analog and digital implementation are discussed in detail, and preliminary results are presented.