Superconducting quantum bits, or qubits, use circuits made from superconducting materials to harness quantum mechanical states. These devices contain many atoms, but can behave as simple, controllable qubits. We are building technologies for the control and measurement of superconducting qubits to enable the first demonstration of an extensible, medium-scale quantum processor. Our approach includes the development of multilayer architectures where qubit and wiring circuitry are fabricated on different chips that are bonded together by means of thermocompression bonding technologies. This will make it possible to address qubits on a two-dimensional lattice on the order of 100 qubits. Implementing a two-dimensional array of superconducting qubits will allow for the realization of quantum-error correction, a critical step on the way to a fully scalable architecture. Through this work we also hope to study the loss mechanisms that limit the coherence time of superconducting qubits.
Quantum Dynamics of Cavity Interactions with Spin Ensembles
Summary High quality factor cavities can be powerful control elements for ensembles of spins, enabling unitary control as well as on demand cooling. They can also be used to couple two otherwise non-interacting ensembles. The goal of the project is to explore the physics and engineering of such systems both theoretically and experimentally. The laboratory contains a […]
September 7, 2016
Topological Quantum Computing on Majorana Platform
Full-scale quantum computing will require the capability for error-tolerant quantum information processing.
January 11, 2017
Developing Tools for Quantum Characterization and Validation
Summary Coherence is essential for quantum computation; yet it introduces a unique sensitivity to any imperfections in hardware design, control systems, and the operating environment. Overcoming these sensitivities requires a hierarchy of strategies, ranging from optimization of the hardware architecture to software solutions including quantum error correction. Randomized Benchmarking Protocols are an important family of […]
October 3, 2017