JQI

The deployment of photonic quantum technologies outside of laboratories and into application
environments involves new components and system architectures, many of which are based on
photonic integrated circuits (PICs). In this talk, I will present our lab’s research on PIC components that
harness nonlinear optical processes in the context of optical atomic clocks and quantum sensors. For
such applications, nonlinear frequency conversion can generate the coherent visible and short near-

Superconducting qubits are one of the leading platforms for quantum information processing but have not yet reached the performance necessary for useful quantum computation. In this talk, I will discuss current limitations on measurement and gate fidelity in superconducting qubits using the fluxonium as a case study. I will discuss our work understanding the origins of these limitations and the usage of applied microwave drives to improve measurement and gate fidelity.

We will discuss the path towards using quantum computers for quantum field theory calculations. In particular, two problems will be addressed: how to truncate the Hilbert space of bosonic fields and how to take the continuum limit without incurring in exponentially large costs. We will discuss the particular case of the non-linear sigma model, where those questions are fully understood, followed by gauge theories, where those questions remain fairly open.

Superconducting circuits are a powerful platform for quantum computation and sensing. In this talk I will show how we can use techniques from those domains to create and interrogate strongly interacting matter from microwave photons. In particular we discuss how disorder can be leveraged to assemble compressible quantum fluids. Using correlation measurements we can can observe photon fermionization.

Abstract: This talk will review our recent work on classical and quantum glasses. I will start with a discussion of spin glasses from the perspective of chaos theory.