[printer friendly version]

OSA Student Chapter Meeting


MAIN TALK
SPEAKER: Da-Wei Wang
TITLE: Heisenberg Limit Superradiant Super-resolving Metrology
ABSTRACT:
We propose a superradiant metrology scheme to achieve Heisenberg limit super-resolving displacement measurement by encoding multiple light momenta into a three-level atomic ensemble. We use 2N coherent pulses to prepare a single excitation superradiant state in a superposition of two timed Dicke states that are 4N light momenta apart in the momentum space. The phase di erence between these two states induced by a uniform displacement of the atomic ensemble has 1=4N sensitivity. Experiments based on Ramsey interferometry are proposed in crystal and in ultracold atoms.



OPTICS NEWS
SPEAKER: Jonathan Thompson
TITLE: The Mystery of the Birefringent Butterfly
ABSTRACT:
It's the crown jewel of a collection of classroom materials housed at the University of Arizona's College of Optical Sciences -- a transparent butterfly slide that bursts into color when viewed through cross polarizers. The authors want to know: Who is responsible for this striking work of art?
Reference: R. Chipman and A.Peinado, "The Mystery of the Birefringent Butterfly," Opt. Photon. News 24(10), 52-57 (2013).



Wednesday, November 6, 2013
IQSE 578, 12:30 noon
Mitchell Physics Building


Department of Physics and Astronomy
Institute for Quantum Science and Engineering
Texas A&M University

(Pizza lunch as usual. Newcomers welcome!)

Host: Ellie Figueroa