Digitale Medien
Woodbury, NY
:
American Institute of Physics (AIP)
Applied Physics Letters
63 (1993), S. 709-711
ISSN:
1077-3118
Quelle:
AIP Digital Archive
Thema:
Physik
Notizen:
We report novel measurements of the room temperature refractive optical nonlinearities in a molecular beam epitaxy-grown ZnSe epilayer at frequencies near to the band edge. Time-resolved changes in the transmission spectrum due to a two-photon generated plasma of free carriers are monitored with a broad-band white-light continuum probe. The refractive index changes, measured for photon energies between 0.8 and 0.05 eV below the free-exciton line at 2.68 eV, with photoexcited carrier densities of (2–5)×1018 cm−3, are found to be in good agreement with a many-body plasma calculation.
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1063/1.109935
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