Electrical tuning of nonlinearities in exciton-polariton condensates
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A primary limitation of the intensively researched polaritonic systems compared to their atomic counterparts for the study of strongly correlated phenomena and many-body physics is their relatively weak two-particle interactions compared to disorder. Here, we show how new opportunities to enhance such on-site interactions and nonlinearities arise by tuning the exciton-polariton dipole moment in electrically biased semiconductor microcavities incorporating wide quantum wells. The applied field results in a twofold enhancement of exciton-exciton interactions as well as more efficiently driving relaxation towards low energy polariton states, thus, reducing condensation threshold.
Tsintzos , S I , Tzimis , A , Stavrinidis , G , Trifonov , A , Hatzopoulos , Z , Baumberg , J J , Ohadi , H & Savvidis , P G 2018 , ' Electrical tuning of nonlinearities in exciton-polariton condensates ' , Physical Review Letters , vol. 121 , no. 3 , 37401 . https://doi.org/10.1103/PhysRevLett.121.037401
Physical Review Letters
© 2018 American Physical Society. This work has been made available online in accordance with the publisher’s policies. This is the author created accepted version manuscript following peer review and as such may differ slightly from the final published version. The final published version of this work is available at https://doi.org/10.1103/PhysRevLett.121.037401
DescriptionS. T. acknowledges the financial support of the Stavros Niarchos Foundation within the framework of the project ARCHERS, P. S. acknowledges support form the bilateral Greece-Russia Polisimulator project cofinanced by Greece and the EU Regional Development Fund, A. T. acknowledges the Russian-Greek support from the project supported by the Ministry of Education and Science of The Russian Federation (Project No. RFMEFI61617X0085).
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