Correlated influence of carrier-carrier/carrier-phonon interaction and radiative damping on semiconductor intersubband transitions
I. Waldmuller, J. Förstner, A. Knorr, M. Woerner, K. Reimann, R.A. Kaindl, R. Hey, K.H. Ploog, in: Postconference Digest Quantum Electronics and Laser Science, 2003. QELS., IEEE, 2003.

Theory of ultrafast dynamics and lineshape of semiconductor quantum well intersubband emitters
I. Waldmüller, J. Förstner, A. Knorr, in: Nonlinear Optics: Materials, Fundamentals and Applications, OSA, 2002.