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Proceedings Paper

Multiple-quantum 2D spectroscopy of many-body correlations in GaAs quantum wells
Author(s): Daniel B. Turner; Katherine W. Stone; Patrick Wen; Dylan H. Arias; Keith A. Nelson
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Paper 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.

Paper Details

Date Published: 2 March 2010
PDF: 6 pages
Proc. SPIE 7600, Ultrafast Phenomena in Semiconductors and Nanostructure Materials XIV, 76001J (2 March 2010); doi: 10.1117/12.843632
Show Author Affiliations
Daniel B. Turner, Massachusetts Institute of Technology (United States)
Katherine W. Stone, Massachusetts Institute of Technology (United States)
Patrick Wen, Massachusetts Institute of Technology (United States)
Dylan H. Arias, Massachusetts Institute of Technology (United States)
Keith A. Nelson, Massachusetts Institute of Technology (United States)


Published in SPIE Proceedings Vol. 7600:
Ultrafast Phenomena in Semiconductors and Nanostructure Materials XIV
Jin-Joo Song; Kong-Thon Tsen; Markus Betz; Abdulhakem Y. Elezzabi, Editor(s)

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