Investigations and Potential Applications of Qubit-Nanoresonator-Cavity Interactions in a Superconducting Quantum Electromechanical System*

Quantum electromechanical systems composed of integrated superconducting qubits, microwave circuit modes and nanomechanical elements have the potential to serve as versatile platforms for investigations of the quantum properties of motion and quantum thermodynamics, as well as resources for quantum information processing. In my talk I will give an overview of these systems and then highlight ongoing work in my group to develop one such quantum electromechanical system that consists of a superconducting transmon qubit, flexural nanomechanical resonator, and superconducting waveguide cavity¹. Recent theoretical investigations suggest this system has promise as a tool for quantum state generation² and as an element for quantum simulation architectures^3,4. I will discuss our initial results to characterize and model this system and identify critical challenges to overcome for implementing it in future applications.

References:
1. F. Rouxinol et al. Nanotechnology 27, 364003 (2016).
2. M. Abdi et al. Phys. Rev. Lett. 114, 173602 (2015).
3. J. Lozada-Vera et al. EPJ Quantum Technology 3, 9 (2016).
4. F. Tacchino et al. arXiv:1711.00051v1 (2017).