- Ph.D., University of Wisconsin - Madison (2008)
- B.A., Gustavus Adolphus College (2002)
- Post-doctoral research at the National Institute of Standards and Technology (NIST), Boulder, CO
Mid-infrared light sources and spectroscopy, frequency comb lasers, ultracold atoms.
F. C. Cruz, D. L. Maser, T. Johnson, G. Ycas, A. Klose, F. R. Giorgetta, I. Coddington, and S. A. Diddams, "Mid-infrared optical frequency combs based on difference frequency generation for molecular spectroscopy," Opt. Express 23, 26814 (2015).
T. A. Johnson and S. A. Diddams, "Mid-infrared upconversion spectroscopy based on a Yb:fiber femtosecond laser," Appl. Phys. B 107, 31 (2012).
E. Urban, T. A. Johnson, T. Henage, L. Isenhower, D. D. Yavuz, T. G. Walker, and M. Saffman, "Observation of Rydberg blockade between two atoms," Nat. Phys. 5, 110 (2009).
T. A. Johnson, E. Urban, T. Henage, L. Isenhower, D. D. Yavuz, T. G. Walker, and M. Saffman, "Rabi Oscillations between Ground and Rydberg States with Dipole-Dipole Atomic Interactions," Phys. Rev. Lett. 100, 113003 (2008).
SJU PEngl 105
College of Saint Benedict
Saint John’s University
Chair, Physics Department
SJU PEngl 107