二维光子晶体L3纳米腔中CdSe量子点的自发发射增强

IF 1.2 Q3 MULTIDISCIPLINARY SCIENCES

ARO-THE SCIENTIFIC JOURNAL OF KOYA UNIVERSITY Pub Date : 2021-11-02 DOI:10.14500/aro.10810

Khalid N. Sediq

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引用次数: 0

摘要

设计了二维光子晶体纳米腔，以适应腔内量子电动力学。利用CdSe量子点(QDs)发射体增强低品质因数纳米腔的自发发射是本研究的目的。采用等离子体增强化学气相沉积技术将低浓度CdSe量子点层夹在两层si2n3膜之间。在629.5 nm处，与裸腔相比，L3纳米腔的自发发射修饰率高达2.3倍。亚波长区域的高场约束成为量子电动力学研究的热点和研究光与物质相互作用的良好平台。

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Spontaneous Emission Enhancement of CdSe Quantum Dots Embedded in a Two-dimensional Photonic Crystal L3 Nanocavity

Two-dimensional photonic crystal nanocavities were designed to tailor cavity quantum electrodynamics. Enhancing the spontaneous emission of low-quality factor nanocavity with embedded CdSe quantum dots (QDs) emitters is the aim of this study. Low concentration layer of CdSe QDs was sandwiched between two layers of Si2 N3 membrane using plasma-enhanced chemical vapor deposition. The modification rate in spontaneous emission of L3 nanocavity up to 2.3-fold has been observed at 629.5 nm in compare to bare cavities. High field confinement in the sub-wavelength regime became an interest field for quantum electrodynamics applications and good platform to study light matter interactions.

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来源期刊

ARO-THE SCIENTIFIC JOURNAL OF KOYA UNIVERSITY MULTIDISCIPLINARY SCIENCES-

自引率

33.30%

发文量

审稿时长

16 weeks