Enhancement of optical absorption induced by disorder in three-dimensional random superlattices

Wang, E.G.; Xu, J.H.; Su, W.P.; Ting, C.S.
January 1994
Applied Physics Letters;1/24/1994, Vol. 64 Issue 4, p443
Academic Journal
Examines the optical properties of realistic three-dimensional random superlattices based on a three-dimensional tight-binding Hamiltonian. Enhancement of absorption intensity near the band edge of random superlattice; Involvement of strong localized states in the transition; Existence of random layers at the bottom of conductance band.


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