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

Daniel B. Turner; Katherine W. Stone; Patrick Wen; Dylan H. Arias; Keith A. Nelson

doi:10.1117/12.843632

1 March 2010 Multiple-quantum 2D spectroscopy of many-body correlations in GaAs quantum wells

Daniel B. Turner, Katherine W. Stone, Patrick Wen, Dylan H. Arias, Keith A. Nelson

Proceedings Volume 7600, Ultrafast Phenomena in Semiconductors and Nanostructure Materials XIV; 76001J (2010) https://doi.org/10.1117/12.843632
Event: SPIE OPTO, 2010, San Francisco, California, United States

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.

Citation Download Citation

Daniel B. Turner, Katherine W. Stone, Patrick Wen, Dylan H. Arias, and Keith A. Nelson "Multiple-quantum 2D spectroscopy of many-body correlations in GaAs quantum wells", Proc. SPIE 7600, Ultrafast Phenomena in Semiconductors and Nanostructure Materials XIV, 76001J (1 March 2010); https://doi.org/10.1117/12.843632

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