Ukrainian Journal of Physical Optics 

Effect of Nonlinear Exciton-Phonon Interaction on the Intrinsic Optical Bistability in Layered Semiconductors  (download full version, 137 kb)

Derevyanchuk O., Zenkova C., Kramar V. and Kramar N.

Theoretical investigation of the role of bending waves in the conditions for observing optical bistability in layered semiconductors is performed using the Green function method. By the example of 2H-polytype of PbI2, we show that efficient exciton scattering by the oscillations of this type leads to a short-wave shift of the frequency region of optical bistability, decrease in the size of this region, widening of temperature interval of its observation, a shift of the hysteresis loop towards higher intensities and a decrease in its height and width.

Key words: optical bistability, layered crystal, bending wave, exciton-phonon interaction

PACS: 71.3S-y1.

doi 10.3116/16091833/7/2/52/2006
 

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