Abstract
We numerically investigated the electromagnetically induced transparency in the quantum dot biexciton–exciton scheme. Through calculating the density matrix equation in the steady state, we obtain the electromagnetically induced transparency absorption dip with different pump intensity and biexciton decay rate. The refractive index is also calculated. We analyze the biexciton energy renormalization and pump pulse intensity influencing on the EIT dip and the slow factor. The slow factor decreases from about 3000 to 2000 due to the renormalization. It shows better temperature stability for stronger confinement energy and smaller decay rate compared with quantum well.
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