Abstract:

Intersubband polaritons are hybrid light- matter excitations resulting from strong coupling of intersubband transition in the Quantum Well and spatially confined cavity mode. Theoretical description of their formation was usually done neglecting many- electoin interactions and spin degree of freedom. We revise these assumption and show that in realistic cases the formation of the polaritons is strongly modified by many body correlations and spin- orbit interaction. In this context, we discuss the possible origin of the three- peak absorption spectra of intersubband polariton system observed in recent experiments.
 
 
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