Biexciton optical Stark effect due to dynamical coupling of excitons and biexcitons

Nonlinear Optical Processes Due to Polaritons and Biexcitons in a Microcavity Enclosed Quantum Well

“…a EP±B transition. The pump pulse is coherent, therefore the respective EP is also coherent and the operator a jYq can be replaced by E L exp Àiw L t [31]. Here the E L is the strength of the pump field and w L is the frequency of the lower or upper branch of EP.…”

“…The optical Stark effect due to the dynamical coupling of exciton and biexciton in bulk crystal and bare QW was studied, respectively, by the authors of [30] and [31]. Here the case will be considered when a strong electromagnetic field switched on adiabatically hybridizes the lower branch EP and the biexciton.…”

“…Here the case will be considered when a strong electromagnetic field switched on adiabatically hybridizes the lower branch EP and the biexciton. It is assumed that the biexciton is formed from two excitons [30,31]. To obtain the spectrum of quasienergies the Hamiltonian of EP and biexcitons is used…”

Exciton absorption and gain bands in semiconductors coherently polarized by laser radiation

“…(10) Expanding the Hamiltonian (7) on the small operators aL+k, ak0+k , with k 0, one can separate out the additive constant, the quadratic part and the terms of higher orders infinitesimal. Only the quadratic part will be kept below The values E (k) determine two branches of the energy spectrum in the system with motionless condensate.…”