E. Flück, F. Horst, et al.
IEEE Photonics Technology Letters
E. Flück, F. Horst, et al.
IEEE Photonics Technology Letters
F. Horst, R. Germann, et al.
IEEE Photonics Technology Letters
S.J. Koester, E.W. Kiewra, et al.
Applied Physics Letters
G.L. Bona, P. Roentgen, et al.
ISLC 1990