Femtosecond Spectral Interferometry of Resonant Secondary Emission from Quantum Wells: Resonance Rayleigh Scattering in the Nonergodic Regime

D. Birkedal and J. Shah
Phys. Rev. Lett. 81, 2372 – Published 14 September 1998
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Abstract

We report the first investigation of resonant secondary emission from quantum well excitons using ultrafast spectral interferometry. Observation of high-contrast spectral fringes demonstrates a significant phase correlation of the spectral components of the Rayleigh scattered light and allows us to determine the temporal dynamics of the coherent emission. The results contradict the present theories for resonant Rayleigh scattering based on ensemble averaging, and show the nonergodic nature of resonance Rayleigh scattering from semiconductor quantum wells.

  • Received 13 April 1998

DOI:https://doi.org/10.1103/PhysRevLett.81.2372

©1998 American Physical Society

Authors & Affiliations

D. Birkedal and J. Shah

  • Bell Laboratories, Lucent Technologies, 101 Crawfords Corner Road, Holmdel, New Jersey 07733

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Vol. 81, Iss. 11 — 14 September 1998

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