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Optical and Quantum Electronics

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01-09-2014

Electromagnetically induced transparency in quantum dot biexciton–exciton cascaded scheme

Author: Chunchao Yu

Published in: Optical and Quantum Electronics | Issue 9/2014

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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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Title: Electromagnetically induced transparency in quantum dot biexciton–exciton cascaded scheme
Author: Chunchao Yu
Publication date: 01-09-2014
Publisher: Springer US
Published in: Optical and Quantum Electronics / Issue 9/2014
Print ISSN: 0306-8919
Electronic ISSN: 1572-817X
DOI: https://doi.org/10.1007/s11082-013-9847-1

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