In this study, we designed a plasmonic system containing an array of nanoparticles (NPs) coupled to a quantum dot (QD) to generate entangled photons. The interaction of incoming light with the array of NPs generates a modified plasmon resonance, so-called lattice-plasmon (interaction of the NPs near-field with the photonic mode). Due to its unique optical properties, the lattice-plasmon strongly manipulates the output modes’ entanglement behavior. This is mainly because of the influence of the lattice-plasmon on the transition and dephasing rates of the quantum dot. It is shown that it can be possible to manipulate the QD decay rates via the optical properties of the lattice-plasmon. Also, to manage the output modes entanglement, the emphasis is put on the retarded field effect, which dramatically impacts the lattice-plasmon optical properties. It is theoretically found that engineering the optical properties of the lattice-plasmon facilitates the manipulation of the entanglement behavior.
We investigated the tumor-targeted nanoparticles that influence heat generation. We suppose that all nanoparticles are fully functionalized and can find the target using active targeting methods. Unlike the commonly used methods, such as chemotherapy and radiotherapy, the treatment procedure proposed in this study is purely noninvasive, which is considered to be a significant merit. It is found that the localized heat generation due to targeted nanoparticles is significantly higher than other areas. By engineering the optical properties of nanoparticles, including scattering, absorption coefficients, and asymmetry factor (cosine scattering angle), the heat generated in the tumor’s area reaches to such critical state that can burn the targeted tumor. The amount of heat generated by inserting smart agents, due to the surface Plasmon resonance, will be remarkably high. The light–matter interactions and trajectory of incident photon upon targeted tissues are simulated by MIE theory and Monte Carlo method, respectively. Monte Carlo method is a statistical one by which we can accurately probe the photon trajectories into a simulation area.
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