****HQOC/ITAMP Joint Atomic Physics and Quantum Optics Colloquium**** Wednesday, April 25, 2012 *Maxwell Dworkin G115* (Please Note Change of Location) 4:30 PM - Special Guest Presenter: Prof. Matthias Weidemueller, University of Heibelberg "Electromagnetically Induced Transparency in an Ultracold Rydberg Gas" 4:00 PM - Student Presentation: Stephanie Valleau Graduate Student, Aspuru-Guzik Group "Exciton Transport in J-aggregates of Cyanine Dyes and Hybrid J-aggregate - Photonics Structures" -- Joan Hamilton Assistant to Profs. Lukin and Greiner Department of Physics 17 Oxford Street Lyman Building - Room 324A Cambridge, Ma 02138 Phone 617-496-2544 HUCTW Local Representative for the Department of Physics