We are investigating the behavior of radio-frequency mechanical structures integrated with various nano-electronics structures, such as single electron transistors, solid-state qubits, and superconducting microwave resonators. The goal of this work is to prepare and measure the quantum states of mechanical structures and directly probe the boundary between the classical and quantum world. Simply put, we want to produce a mechanical device located in two places simultaneously.
Nanomechanics coupled to superconducting microwave resonators
We are developing experiments with a nanomechanical resonator coupled to a superconducting microwave resonator. By providing various microwave pumps, it is expected to be able to cool the mechanical device to the quantum ground state, and to produce squeezed mechanical states. Read more >>
Nanomechanics coupled to qubits
We have developed both the theoretical and experimental techniques to couple mechanical structures to superconducting qubits, with the aim of producing new quantum measurement techniques and demonstrating the quantum behavior of "large" mechanical structures. The SEM pic shows a device made by Pierre Echternach in collaboration with Michael Roukes and Matt LaHaye at Caltech. Read more >>
Nanomechanics coupled to SET
We have explored the physics of single electron transistors coupled to mechanical structures and have demonstrated the closest approach to the Heisenberg Uncertainty Principle and the closest measured approach to the quantum ground state for a mecahnical mode. Read more >>
We are facinated by the interface between atomic physics, quantum optics, and condensed matter devices and physics. We have been involved in collaborations to explore this intersection and are deeply interested in expanding this direction.
We are developing micro-mechanical structures fabricated from dielectric super-mirror material. These devices support a collaboration with Markus Aspelmeyer and Anton Zeilinger at the University of Vienna. Read more >>
Microfabricated Atomic Traps
Together with Prof. Chris Monroe's group we have fabricated micron-scale traps to hold single ions as a step toward producing massively integrated atomic devices for quantum information and computation applications. Read more >>
We are actively developing tools for nanoscience and applying nano-electro-mechanical devices for practical application.