Physics

Todd Johnson

Academic Degrees:
  • 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
Research Areas/Interest

Mid-infrared light sources and spectroscopy, frequency comb lasers, ultracold atoms.

Select Publications:

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).

Todd Johnson

SJU PEngl 105
320-363-3184
[email protected]

Contact the Physics Department
College of Saint Benedict
Saint John’s University

Jim Crumley
Chair, Physics Department
SJU PEngl 107
Physics Department
320-363-3183