Phys. Rev. B 51, 14713–14716 (1995)Coherent oscillations in semiconductor microcavitiesReceived 3 November 1994; published in the issue dated 15 May 1995 We present a coherent nonlinear optical study of composite exciton-cavity systems in the strong-coupling regime. Quantum oscillations in a transient four-wave-mixing response show the creation of a coherent superposition state between the two normal modes of the composite system and demonstrate in the time domain the coherent energy exchange between the exciton and cavity. The deep oscillation persists when the cavity resonance is far detuned from the exciton resonance. The result shows that dynamics of the nonlinear response can be in a nonperturbative regime while dynamics of the linear response remains in a perturbative regime. © 1995 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevB.51.14713
DOI:
10.1103/PhysRevB.51.14713
PACS:
42.50.-p, 42.65.-k, 73.20.Dx, 78.47.+p
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