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Coherence and nonlinearity of femtosecond secondary emission from excitons in GaAs quantum wells

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2 Author(s)
Woerner, M. ; Lucent Technol., AT&T Bell Labs., Holmdel, NJ, USA ; Shah, J.

Summary form only given.We have investigated the nature and dynamics of resonant secondary emission from quantum wells, a subject of considerable current interest, using a novel approach in which the sample is resonantly excited by a pair of phase-locked pulses, and the emission is detected by femtosecond upconversion. This technique allows us to probe the dynamics of photoexcited polarization from a distinct perspective and gives new insights in the femtosecond dynamics of secondary emission (SE) and its coherence properties simultaneously.

Published in:

Quantum Electronics Conference, 1998. IQEC 98. Technical Digest. Summaries of papers presented at the International

Date of Conference:

8-8 May 1998