Manipulating transmission and reflection properties of a photonic crystal doped with quantum dot nanostructures


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The transmission and reflection properties of incident light in a defect dielectric structure is studied theoretically. The defect structure consists of donor and acceptor quantum dot nanostructures embedded in a photonic crystal. It is shown that the transmission and reflection properties of incident light can be controlled by adjusting the corresponding parameters of the system. The role of dipole–dipole interaction is considered as a new parameter in our calculations. It is noted that the features of transmission and reflection curves can be adjusted in the presence of dipole–dipole interaction. It is found that the absorption of weak probe light can be converted to the probe amplification in the presence of dipole–dipole interaction. Moreover, the group velocity of transmitted and reflected probe light is discussed in detail in the absence and presence of dipole–dipole interaction. Our proposed model can be used as a new all-optical devices based on photonic materials doped with nanoparticles.

Sobre autores

G. Solookinejad

Department of Physics, Marvdasht Branch

Email: s.hosein.asadpour@gmail.com
Irã, Marvdasht

M. Panahi

Department of Physics, Marvdasht Branch

Email: s.hosein.asadpour@gmail.com
Irã, Marvdasht

E. Sangachin

Department of Physics, Marvdasht Branch

Email: s.hosein.asadpour@gmail.com
Irã, Marvdasht

S. Asadpour

Department of Physics, Marvdasht Branch

Autor responsável pela correspondência
Email: s.hosein.asadpour@gmail.com
Irã, Marvdasht

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