Giant quintic nonlinearities at slow light level in semiconductor quantum wells (original) (raw)

SPIE Proceedings, 2015

Abstract

Enhancement of higher order nonlinear susceptibilities are investigated in three level quantum well with a ladder configuration in the regime of electromagnetically induced transparency. We have identified the existence of giant third and fifth order nonlinear susceptibilities of the order ~10-22 m4/V4 at pump wavelength of 9.6 μm. The group velocity is reported to be slowed down by 104 times compared to the speed of light in vacuum.

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