Förstner J, Knorr A, Kuckenburg S, et al. Nonlinear Polariton Pulse Propagation in Bulk Semiconductors. physica status solidi (b). 2002;221(1):453-457. doi:10.1002/1521-3951(200009)221:1&#60;453::aid-pssb453&#62;3.0.co;2-q

Waldmüller I, Förstner J, Knorr A. Theory of ultrafast dynamics and lineshape of semiconductor quantum well intersubband emitters. In: Nonlinear Optics: Materials, Fundamentals and Applications. OSA; 2002. doi:10.1364/nlo.2002.we34

Nielsen NC, Linden S, Kuhl J, et al. Coherent nonlinear pulse propagation on a free-exciton resonance in a semiconductor. Physical Review B. 2002;64(24):245202-245202-245210. doi:10.1103/physrevb.64.245202

Förstner J, Knorr A, Koch SW. Nonlinear Pulse Propagation in Semiconductors: Hole Burning within a Homogeneous Line. Physical Review Letters. 2002;86(3):476-479. doi:10.1103/physrevlett.86.476

Förstner J, Ahn KJ, Danckwerts J, et al. Light Propagation- and Many-particle-induced Non-Lorentzian Lineshapes in Semiconductor Nanooptics. physica status solidi (b). 2002;234(1):155-165. doi:10.1002/1521-3951(200211)234:1&#60;155::aid-pssb155&#62;3.0.co;2-r