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作者:SF00

报告题目: Optical Two-Dimensional Coherent Spectroscopy

报告人: Steven T. Cundiff, JILA, National Institute of Standards and Technology and University of Colorado

报告时间:20140327日(周四)上午10:00

报告地点:物理研究所M236会议室

邀请人及联系人:赵继民 副研究员

联系电话: 82649408

 

摘要:

The concept of multidimensional Fourier transform spectroscopy originated in NMR where it enabled the determination of molecular structure.  Migrating multidimensional Fourier transform spectroscopy to the infrared and visible regimes is difficult because of the need to obtain full phase information about the emitted signal and for the phase difference between the excitation pulses to be stable and precisely incremented. I will give an introduction to optical two-dimensional coherent spectroscopy and then present our use of it to study optical resonances in semiconductor nanostructures. In quantum wells, our results show that many-body effects dominate the light-matter interaction.  In quantum dots, two-dimensional coherent spectroscopy can make size-resolved measurements without the need to isolate individual quantum dots.

报告人简介:

Steven T. Cundiff received the B.A. degree in Physics from Rutgers University in 1985. He received M.S. and Ph.D. degrees in Applied Physics from the University of Michigan in 1991 and 1992, respectively. He spent two years as an Alexander von Humboldt Fellow at the University of Marburg, Germany and then joined Bell Laboratories in Holmdel N.J. as a post-doctoral Member of Technical Staff. In 1997 he joined JILA, a joint institute between the University of Colorado and the National Institute of Standards and Technology (NIST), in Boulder, Colorado. He served as Chief of the NIST Quantum Physics Division from 2004 to 2009. Currently, he is a Fellow of JILA, a Physicist with the NIST Quantum Physics Division and a Professor Adjoint in the University of Colorado Department of Physics and Electrical and Computer Engineering Department. He is a Fellow of the Optical Society of America, the American Physical Society and the Institute of Electrical and Electronics Engineers. He received a Humboldt Research Award in 2010 and the Meggers Award from the Optical Society of America in 2011. His current research interests include optical multidimensional Fourier transform spectroscopy, quantum optical spectroscopy of semiconductors, optical arbitrary waveform generation and modelocked laser development.

发表于:2014-3-24
 
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