Wisconsin Discovery Portal

Researcher: Thad Walker

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Areas of Expertise
  • Astrophysics
  • Cosmology
  • Atomic, molecular and optical physics
  • Condensed matter
  • High energy
  • Neutrino and astroparticle physics
  • Nuclear
  • Plasma
  • Quantum computing
  • Biophysics
  • Quantum information using rydberg atoms
  • Spin-exchange optical pumping
  • Biomagnetometry¬†
  • Lasercooled atoms
  • Collisions between ultracold atoms
  • Physics and applications of hyperpolarized nuclei
Web Site Thad Walker's Department of Physics Website
Curriculum Vitae (CV)
Issued Patent(s)
  • 9,234,912 - Atomic far-off resonance trap (fort) accelerometer system, issued January 2016.
  • 9,229,073 - Systems and method to substantially mitigate ac stark shift effects in a sensor system, issued January 2016.
  • 6,868,099 - Frequency-narrowed high power diode laser system with external cavity, issued March 2005.
  • 6,584,133 - Frequency-narrowed high power diode laser array method and system, issued June 2003.
USPTO Published Applications
  • 20140184216 - Systems and method to substantially mitigate ac stark shift effects in a sensor system, published July 2014.
  • 20130328557 - Nuclear magnetic resonance probe system, published December 2013.
  • 20130327145 - Atomic far-off resonance trap (fort) accelerometer system, published December 2013.
  • 20130033261 - Noble gas magnetic resonator, published February 2013.
  • 20130033255 - Gas magnetometer, published February 2013.
Recent Publication(s)
  • Accurate energies of the he atom with undergraduate quantum mechanics. Masse R, Walker TG. American Journal of Physics. 2015 Jul;83(8):730-732. doi: 10.1119/1.4921821.

  • Synchronous spin-exchange optical pumping. Korver A, Thrasher D, Bulatowicz M, Walker T. Physical Review Letters. 2015 Jun;115(25). doi: 10.1103/PhysRevLett.115.253001.

  • Coherence and Rydberg blockade of atomic ensemble qubits. Ebert M, Kwon M, Walker TG, Saffman M. Physical Review Letters. 2015 Jan;115(9). doi: 10.1103/PhysRevLett.115.093601.

  • On the limits of spin-exchange optical pumping of 3He. Chen WC, Gentile TR, Ye Q, Walker TG, Babcock E. Journal of Applied Physics. 2014 Jun;116(014903):1-6. doi: 10.1063/1.4886583.

View Thad Walker's publications at Google Scholar.
Recent Artistic Works
  • National Institute of Standards and Technology: WC Chen
Research Tools
Research Facilities
E-mail Address [email protected]
Phone Number 608-262-4093
Current University UW–Madison
Department Physics
Title Professor
Other Appointments
Address Line 1 5322 Chamberlin Hall
Address Line 2 1150 University Avenue
City Madison
State WI
Zip Code 53706
Bachelor's Degree B.S., Abilene Christian University, Physics, 1983
Master's Degree M.A., Princeton University, Physics, 1986
PhD Ph.D., Princeton University, Physics, 1988
Other Degrees
Technologies Available for Licensing Frequency-Narrowed High-Power Diode Laser System with External Cavity

Frequency-Narrowed High-Power Diode Laser Array Method and System

Short-Pulsed Alkali Magnetometer for Precision in Ambient Fields

Precision Magnetometer for More Accurate Magnetic Field Readings