Recent Preprints
Control of Dipolar Dynamics by Geometrical Programming
We propose and theoretically analyze methods for quantum many-body control through geometric reshaping of molecular tweezer arrays. …
A cryogenic buffer gas beam source with in-situ ablation target replacement
The design and performance of a cryogenic buffer gas beam (CBGB) source with a load-lock system is presented. The ACME III electron …
Quantum-State-Controlled Collisions of Ultracold Polyatomic Molecules
Collisions between ultracold calcium monohydroxide (CaOH) molecules are realized and studied. Inelastic collision rate constants are …
A conveyor-belt magneto-optical trap of CaF
We report the experimental realization of a conveyor-belt magneto-optical trap for calcium monofluoride (CaF) molecules. The obtained …
High Compression Blue-Detuned Magneto-Optical Trap of Polyatomic Molecules
We demonstrate a blue-detuned magneto-optical trap (MOT) of a polyatomic molecule, calcium monohydroxide (CaOH). We identify a novel …
Popular Articles
Paper by Alex and Zack (with collaborator Lan Cheng) has been featured in Editor’s Suggestion on PRA.
The authors explore candidates for a next-generation search for the electron electric dipole moment (eEDM) by experimentally measuring the vibrational loss channels in three Sr-containing nonlinear molecules. They conclude that SrNH2 is the optimal choice for a future laser-cooled molecule-based eEDM experiment.
Our results on an optical tweezer array of ultracold polyatomic molecules demonstrate control of polyatomic molecules (CaOH) at the single particle, single internal quantum state level. The ability to create and manipulate tweezer arrays of polyatomic molecules paves the way for a variety of experiments harnessing the rich structure of these molecules, including quantum simulation, quantum computation, and precision studies of ultracold collisions and chemistry. Check out popular news coverage of this work in Physics World and Phys.org. Also see the Nature Research Briefing on this article.
December 2023: Our results on dipolar spin-exchange and entanglement between molecules in an optical tweezer array demonstrate entangling a pair of single CaF molecules using dipolar interaction. This observation opens the possibility of using molecular tweezer array as a platform for quantum computations and quantum simulations. The manuscript is published back-to-back with the work from Lawrence Cheuk’s group. Check out popular news coverage of this work in Physics Today, Nature News and Science Perspective.
