Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Paul D. Lett (Assoc)

Areas of specialization:

Nonlinear optics and 4-wave mixing

Squeezed light

Quantum Optics

Laser Cooling and Trapping of Neutral Atoms

Quantum Imaging

Ultracold Atomic Collisions

Photoassociation Spectroscopy

Spinor Bose-Einstein Condensates


2007 Fellow of the American Association for the Advancement of Science

2004 Bourke Lectureship awarded by the Faraday Division of the Royal Society of Chemistry, UK

2003 Fellow of the Optical Society of America

1999 Arthur S. Flemming Award for service to the Federal Government

1999 NIST Equal Employment Opportunity/Diversity Award

1996 Fellow of the American Physical Society

1996 Department of Commerce Silver Medal,

1993 NIST Sigma Xi Outstanding Young Scientist Award


Spinor Dynamics in an Antiferromagnetic spin-1 Thermal Bose Gas

Hyewon K. Pechkis, Jonathan Wrubel, Arne Schwettmann, Paul Griffin, Ryan Barnett, Eite Tiesinga, Paul D. Lett
We present experimental observations of coherent spin-population oscillations in a cold thermal, Bose gas of spin-1 23Na atoms. The population oscillations in a

Demonstration of Superluminal Images

Ryan T. Glasser, Ulrich Vogl, Paul D. Lett
Optical pulse propagation with group velocities larger than the speed of light in vacuum, c, or negative, have been demonstrated theoretically and
Created October 9, 2019, Updated December 8, 2022