Resonantly enhanced reflection of quadrupole polaritons in Cu2O

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

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


Using resonant two-photon excitation, we create a coherently propagating polariton wave packet and measure its reflectance (R) and transmittance (T) at the boundary opposite to the incoming surface. We find an enhanced reflection of polaritons from sample surfaces such that the ratio T/R deviates significantly from the present theory. This anomalous boundary effect most likely arises from the quadrupole excitonic component of polaritons.

Original languageEnglish (US)
Article number121111
JournalApplied Physics Letters
Issue number12
StatePublished - 2008

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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