Reanalysis of experimental determinations of polariton-polariton interactions in microcavities
Reanalysis of experimental determinations of polariton-polariton interactions in microcavities
复制标题
微腔中极化子-极化子相互作用实验测定的重新分析
DOI:
10.1103/physrevb.107.165302
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发表时间:
2023
影响因子:
3.7
通讯作者:
Pfeiffer, L. N.
中科院分区:
文献类型:
--
作者:
Snoke, D. W.;Hartwell, V.;Beaumariage, J.;Mukherjee, S.;Yoon, Y.;Myers, D. M.;Steger, M.;Sun, Z.;Nelson, K. A.;Pfeiffer, L. N.
The polariton-polariton interaction strength is an important parameter for all kinds of applications using the nonlinear properties of polaritons, such as optical switching and single-photon blockade devices. In this paper, we review and compare the results of a series of experiments on polariton-polariton interactions inmicrocavity polariton structures and present an updated analysis of these experiments. We show that not just the energy shift of the spectral lines but also the results of measurements sensitive to the polariton scattering rate are important for the calibration of the interaction parameter at low excitation density. We find that when adjustments are made to correct for recent understanding of the experiments, the value of the interaction parameter at low density is lower than previous reported, but still significantly higher than theoretically predicted.
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