Multiple-quantum 2D spectroscopy of many-body correlations in GaAs quantum wells

Author(s)
Nelson, Keith Adam; Arias, Dylan H.; Wen, Patrick; Stone, Katherine Walowicz; Turner, Daniel B.
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Abstract
Multiple-quantum two-dimensional Fourier transform optical (2D FTOPT) spectroscopy was developed and conducted on GaAs quantum wells. Spatiotemporal femtosecond pulse shaping was used to control the optical phases and time delays of ultrashort pulses in multiple non-collinear beams so that fully coherent four-wave and higher-order mixing measurements could be conducted without delay stages, multiple interferometers, or any active phase control. Coherences of biexcitons, unbound but correlated exciton pairs, and excitons undergoing rephasing were observed directly.
Date issued
2010-03
URI
http://hdl.handle.net/1721.1/58571
Department
Massachusetts Institute of Technology. Department of Chemistry; Massachusetts Institute of Technology. Research Laboratory of Electronics
Journal
Proceedings of SPIE--the International Society for Optical Engineering ; v. 7600
Publisher
SPIE
Citation
Turner, Daniel B. et al. “Multiple-quantum 2D spectroscopy of many-body correlations in GaAs quantum wells.” Ultrafast Phenomena in Semiconductors and Nanostructure Materials XIV. Ed. Jin-Joo Song et al. San Francisco, California, USA: SPIE, 2010. 76001J-6. ©2010 SPIE.
Version: Final published version
ISSN
0277-786X
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