Large-signal coherent control of normal modes in quantum-well semiconductor microcavity

Y. S. Lee, T. B. Norris, A. Maslov, D. S. Citrin, J. Prineas, G. Khitrova, H. M. Gibbs

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


We demonstrate coherent control of the cavity-polariton modes of a quantum-well semiconductor microcavity in a two-color scheme. The cavity enhancement of the excitonic nonlinearity gives rise to a large signal; modulating the relative phase of the excitation pulses between zero and π produces a differential reflectivity (ΔR/R) of up to 20%. The maximum nonlinear signal is obtained for cocircular pump and probe polarization. Excitation-induced dephasing is responsible for the incoherent nonlinear response, and limits the contrast ratio of the optical switching.

Original languageEnglish (US)
Pages (from-to)3941-3943
Number of pages3
JournalApplied Physics Letters
Issue number25
StatePublished - Jun 18 2001

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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