The 2023 Frontiers in Optics + Laser Science Conference will be held as an in-person event featuring hundreds of live contributed and invited talks with additional on-demand content available for online viewing. The Technical Conference is organized around three themes that leverage the intersection between science and applications — the end result is intended to illustrate the research within the technology. The themes provide opportunities for focused, deep dives into the most compelling and promising technologies of tomorrow. The 2023 theme program addresses: Machine Learning, Quantum Technologies, Virtual Reality, and Augmented Vision