The spin and motional degrees of freedom of ultra-cold neutral atoms provide exceptional opportunities for metrology and testing fundamental aspects of quantum mechanics. Typified by long coherence times due to weak coupling to laboratory noise, neutral atom spins can be coherently manipulated at-will with magnetic and optical fields, and coherent interactions can be introduced to create entanglement. Now within reach, is the alluring prospect of perfecting control of large and complex quantum systems and the ensuing exploration of new phenomena. In the new laboratory space of Lin Hall, we are developing an experiment to create large entangled spin states of neutral atoms and investigate new possibilities for high-fidelity quantum control and measurement. This builds upon our prior, foundational work with entangling interactions using ultra-cold Rydberg atoms controlled in optical tweezers, and novel techniques for atom interferometry.
"Robust Mølmer-Sørenson gate for neutral atoms using rapid adiabatic Rydberg dressing," Anupam Mitra, Michael J. Martin, Grant W. Biedermann, Alberto M. Marino, Pablo M. Poggi, Ivan H. Deutsch, Physical Review A, 101, 030301(R) , (2020)
"Demonstration of the Jaynes-Cummings ladder with Rydberg-dressed atoms," Jongmin Lee, Michael J. Martin, Yuan-Yu Jau, Tyler Keating, Ivan H. Deutsch, and Grant W. Biedermann, Phys. Rev. A, 95, 041801(R), (2017) DOI: https://doi.org/10.1103/PhysRevA.95.041801
"Atom interferometry in a warm vapor," G. W. Biedermann, H. J. McGuinness, A. V. Rakholia, Y.-Y. Jau, D. R. Wheeler, J. D. Sterk, G. R. Burns, Phys. Rev. Lett., 118, 163601, (2017) DOI: https://doi.org/10.1103/PhysRevLett.118.163601
"Arbitrary Dicke-State Control of Symmetric Rydberg Ensembles," Tyler Keating, Charles H. Baldwin, Yuan-Yu Jau, Jongmin Lee, Grant W. Biedermann, and Ivan H. Deutsch, Phys. Rev. A, 117, 213601, (2016) DOI: https://doi.org/10.1103/PhysRevLett.117.213601
"Entangling Atomic Spins with a Strong Rydberg-Dressed Interaction," Y.-Y. Jau, A. M. Hankin, T. Keating, I. H. Deutsch, G. W. Biedermann, Nature Physics, 12, 71, (2016) DOI: https://doi.org/10.1038/nphys3487
"Testing Gravity with Cold-Atom Interferometers," G. W. Biedermann, X. Wu, L. Deslauriers, S. Roy, C. Mahadeswaraswamy, and M. A. Kasevich, Phys. Rev. A, 91, 033629, (2015) DOI: https://doi.org/10.1103/PhysRevA.91.033629
"High data-rate atom interferometer for measuring acceleration," Hayden J. McGuinness, Akash V. Rakholia, and Grant W. Biedermann, Appl. Phys. Lett., 100, 011106, (2012) DOI: https://doi.org/10.1063/1.3673845