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Article . 2018 . Peer-reviewed
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Positron
Article . 2018
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Modifikasi Osilasi Rabi Pada Nanoparticle Heterodimer: Pengaruh Jarak antar Partikel dan Intensitas Medan Iluminasi

Authors: Bintoro Siswo Nugroho; Yudha Arman;

Modifikasi Osilasi Rabi Pada Nanoparticle Heterodimer: Pengaruh Jarak antar Partikel dan Intensitas Medan Iluminasi

Abstract

Telah dilakukan studi teoretis untuk mempelajari osilasi Rabi pada heterodimer yang terdiri dari semiconductor quantum dot (SQD) dan metal nanoparticle (MNP). SQD dimodelkan sebagai two-level system dan ditinjau dengan formalisme density matrix sedangkan MNP dimodelkan secara klasik dan dikarakterisasi dengan nilai polarisabilitasnya. Respon optik diamati untuk sistem yang diiluminasi dengan medan osilatif yang terpolarisasi linear pada arah paralel sumbu penghubung SQD-MNP. Persamaan gerak density matrix sistem diselesaikan secara numerik menggunakan Runge-Kuta-Fehlberg (RKF 45). Hasil yang diperoleh menunjukkan bahwa hibridisasi SQD-MNP dapat menimbulkan interaksi yang menyebabkan terjadinya pergeseran frekuensi transisi resonansi dan perubahan laju dephasing pada sistem. Efek kopling tersebut terlihat dominan dan menjadi faktor utama dalam modifikasi osilasi Rabi ketika sistem dieksitasi dengan laser berintensitas rendah, I = 1 W/cm^2. Hibridisasi juga menyebabkan timbulnya medan induksi dari MNP yang berperan pada modifikasi osilasi Rabi saat sistem dieksitasi dengan laser berintensitas lebih tinggi, I = 10 W/cm^2. Efek modifikasi yang diamati dapat dikontrol dengan mengubah jarak pisah SQD-MNP.

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Keywords

Physics, QC1-999, nanohybrid, osilasi Rabi, quantum dot, metal nanoparticle, density matrix

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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