Griban, V.M.; Melnichuk, O.V.; Ovander, L.M.; Venger, E.F.
(Semiconductor Physics Quantum Electronics & Optoelectronics, 2000)
We considered the effect of static uniform electric field on the process of two-photon excitonic absorption of light in crystals. The matrix element that determines the above process was calculated using a linear (in the ...