Anomalous Fresnel coefficients for orthoexciton-polaritons in Cu2O

Jang, J. I.; Sun, Y.; Mani, S.; Ketterson, J. B.

doi:10.1016/j.ssc.2008.07.021

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Anomalous Fresnel coefficients for orthoexciton-polaritons in Cu2O

Jang, J. I.;
Sun, Y.;
Mani, S.;
Ketterson, J. B.

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초록

Using resonant two-photon excitation, we create a coherently propagating orthoexciton-polariton wave packet and measure its reflectance (R) and transmittance (T) at the boundary opposite the incoming surface. We find an enhanced reflection of orthoexciton-polaritons from sample surfaces such that the ratio T/R deviates significantly from the present theory based on the additional boundary condition. This anomalous boundary effect most likely arises from the quadrupole excitonic component of orthoexciton-polaritons, resulting in an enhanced reflection at boundaries. (C) 2008 Elsevier Ltd. All rights reserved.

키워드

Cu2O; orthoexciton-polariton; additional boundary condition; two-photon excitation; MICROCAVITY POLARITONS; TEMPERATURE; SCATTERING; DENSITY

제목: Anomalous Fresnel coefficients for orthoexciton-polaritons in Cu2O

저자: Jang, J. I.; Sun, Y.; Mani, S.; Ketterson, J. B.

DOI: 10.1016/j.ssc.2008.07.021

발행일: 2008-10

유형: Article

저널명: Solid State Communications

권: 148

호: 1-2

페이지: 38 ~ 41