Physical Review Letters

Two-Photon Generation of Excitonic Molecules and Optical Bistability

S. W. Koch, H. Haug

Published Feb 9, 1981• 88 citations

Abstract

The fusion of two excited polaritons into an excitonic molecule gives rise to an intensity dependence of the dielectric function. The use of this nonlinearity to obtain optical bistability with platelets of direct-band-gap semiconductors is suggested.

DOI: 10.1103/physrevlett.46.450

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