UBC-Moore Centre for Ultrafast Quantum Matter

The UBC-Moore Centre for Ultrafast Quantum Matter is a laser-based photoemission facility developed jointly by our group and David Jones’ group, built around a high-resolution ARPES spectrometer operated with two complementary ultrafast light sources. One branch uses cavity-enhanced high-harmonic generation to deliver a high-flux extreme-ultraviolet probe tunable over the 8 to 40 eV range, with more than 10¹¹ photons/s at the sample, 60 MHz repetition rate, 190 fs temporal resolution, and 22 meV energy resolution. This system is optimized for time-resolved ARPES studies of nonequilibrium electronic structure over an extended momentum-space range, including access to unoccupied states and ultrafast dynamics in complex quantum materials.

A second branch is based on a 6.2 eV laser source for time-resolved micro-ARPES, combining tunable spatial resolution down to ~11 μm with ~11 meV energy resolution and ~280 fs temporal resolution, together with tunable 1.55 eV pump fluence up to ~3 mJ/cm². This capability makes it possible to investigate ultrafast electron dynamics with momentum resolution in exfoliated, spatially inhomogeneous, and microscale materials systems, including microexfoliated and twisted heterostructures. Together, these two platforms make the Moore Centre a uniquely versatile facility for combining high energy, momentum, time, and spatial resolution in the study of quantum materials.