We perform two-dimensional Fourier transform spectroscopy on magneto-excitons in GaAs at magnetic fields and observe Zeeman splitting of the excitons. The Zeeman components are clearly resolved as separate peaks due to the two-dimensional nature of the spectra, leading to a more accurate measurement of the Zeeman splitting and the Landé g factors. Quantum coherent coupling between Zeeman components is observed using polarization dependent one-quantum two-dimensional spectroscopy. We use two-quantum two-dimensional spectroscopy to investigate higher four-particle correlations at high magnetic fields and reveal the role of the Zeeman splitting on the two-quantum transitions. The experimental two-dimensional spectra are simulated using the optical Bloch equations, where many-body effects are included phenomenologically.
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28 November 2021
Research Article|
November 22 2021
Multidimensional spectroscopy of magneto-excitons at high magnetic fields
Special Collection:
Time-resolved Vibrational Spectroscopy
V. Mapara;
V. Mapara
1
Department of Physics, University of South Florida
, 4202 East Fowler Ave., Tampa, Florida 33620, USA
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C. E. Stevens;
C. E. Stevens
1
Department of Physics, University of South Florida
, 4202 East Fowler Ave., Tampa, Florida 33620, USA
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J. Paul;
J. Paul
1
Department of Physics, University of South Florida
, 4202 East Fowler Ave., Tampa, Florida 33620, USA
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A. Barua
;
A. Barua
1
Department of Physics, University of South Florida
, 4202 East Fowler Ave., Tampa, Florida 33620, USA
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J. L. Reno;
J. L. Reno
2
CINT, Sandia National Laboratories
, Albuquerque, New Mexico 87185, USA
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S. A. McGill
;
S. A. McGill
3
National High Magnetic Field Laboratory, Florida State University
, Tallahassee, Florida 30201, USA
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D. J. Hilton
;
D. J. Hilton
4
Department of Physics, University of Alabama at Birmingham
, Birmingham, Alabama 35294, USA
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D. Karaiskaj
D. Karaiskaj
a)
1
Department of Physics, University of South Florida
, 4202 East Fowler Ave., Tampa, Florida 33620, USA
a)Author to whom correspondence should be addressed: [email protected]
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V. Mapara
1
C. E. Stevens
1
J. Paul
1
A. Barua
1
J. L. Reno
2
S. A. McGill
3
D. J. Hilton
4
D. Karaiskaj
1,a)
1
Department of Physics, University of South Florida
, 4202 East Fowler Ave., Tampa, Florida 33620, USA
2
CINT, Sandia National Laboratories
, Albuquerque, New Mexico 87185, USA
3
National High Magnetic Field Laboratory, Florida State University
, Tallahassee, Florida 30201, USA
4
Department of Physics, University of Alabama at Birmingham
, Birmingham, Alabama 35294, USA
a)Author to whom correspondence should be addressed: [email protected]
Note: This paper is part of the JCP Special Topic on Time-Resolved Vibrational Spectroscopy.
J. Chem. Phys. 155, 204201 (2021)
Article history
Received:
September 03 2021
Accepted:
November 02 2021
Citation
V. Mapara, C. E. Stevens, J. Paul, A. Barua, J. L. Reno, S. A. McGill, D. J. Hilton, D. Karaiskaj; Multidimensional spectroscopy of magneto-excitons at high magnetic fields. J. Chem. Phys. 28 November 2021; 155 (20): 204201. https://doi.org/10.1063/5.0070113
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