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Conferences > QELS > 1999 > QWG > QWG4
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 1999),
  • paper QWG4

Intraband coherence of Bloch-oscillations after resonant scattering observed by resonant secondary emission

P. Haring Bolivar, S. Nüsse, H.T. Grahn, R. Hey, K. Kohler, and H. Kurz

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Abstract

The resonantly excited secondary emission of light (RSE) after coherent optical excitation of a semiconductor is a valuable tool for the investigation of impulse relaxation due to resonant scattering processes.1 We use the observation of RSE from an Al0 35Ga0 65As/GaAs superlattice to investigate the coherent dynamics of Bloch oscillations after resonant scattering in a luminescence up-conversion setup. Their intraband coherence is shown to persist even after fast momentum scattering of the optically excited states.

© 1999 Optical Society of America

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