Nonlinear Optical Response of an Excited 1/3 Laughlin Liquid

An ensemble of neutral excitations in a 1/3 Laughlin liquid is studied experimentally. It has been found that excitations induce a nonlinear optical response in the form of a quadratic dependence of the reflection signal on the pump power. The reported experimental results have shown that the observ...

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Bibliographic Details
Published in:JETP letters 2023-09, Vol.118 (6), p.455-459
Main Authors: Kulik, L. V., Zhuravlev, A. S., Larionov, A. V., Van’kov, A. B., Zagitova, A. A., Kukushkin, I. V., Umansky, V.
Format: Article
Language:English
Subjects:
Atomic
Biological and Medical Physics
Biophysics
Coherent scattering
Condensed Matter
Excitation
Molecular
Nonlinear optics
Nonlinear response
Optical and Plasma Physics
Particle and Nuclear Physics
Physics
Physics and Astronomy
Quantum Information Technology
Signal reflection
Solid State Physics
Spintronics
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Summary:An ensemble of neutral excitations in a 1/3 Laughlin liquid is studied experimentally. It has been found that excitations induce a nonlinear optical response in the form of a quadratic dependence of the reflection signal on the pump power. The reported experimental results have shown that the observed effect is due to the contribution of the coherent anti-Stokes–Stokes scattering from the excited Laughlin liquid.
ISSN:0021-3640
1090-6487
DOI:10.1134/S0021364023602403