H.
J. MarisBrown University, U.S.A.
G.
Bastard
Ecole Normale Superiore, France
I.
AbramLaboratoire de Photonique et des
Nanostructures, France
J.
I. Dijkhuis
Debye Institute,
University of Utrecht, Netherlands
A.
J. Kent
University of
Nottingham, U.K.
M.
Cardona
Max Planck Institute Stuttgart, Germany
S.
Tamura
Hokkaido University, Japan