A new III–V nanowire-quantum dot single photon source with improved Purcell factor for quantum communication

Mohammadnejad Shahram; Mahmoudi Amine; Arab Hossein

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A new III–V nanowire-quantum dot single photon source with improved Purcell factor for quantum communication

机译：A new III–V nanowire-quantum dot single photon source with improved Purcell factor for quantum communication

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Abstract In this work, the finite difference time domain method has been utilized to simulate the propagation emission from PbS quantum dots in a hexagonal InP nanowire as a single photon source. The effect of height and radius of the nanowire as well as the location and orientation of the dipole source in the Purcell factor and Quality factor of the nanowire have been investigated. A broadband electric dipole source has been used to model the quantum dot and the effect of shape and radius of PbS quantum dot have been investigated in the final results. The conclusive structure has been optimized to a nanowire with hexagonal cross section with radius of 220 nm and height of 10 μm. The emission peak obtained above 1 μm with Purcell factor of 5.45 which is in good agreement with cases have been used as single photon source in quantum communications.

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来源
《Optical and Quantum Electronics》 |2022年第4期|共5页
作者
Mohammadnejad Shahram; Mahmoudi Amine; Arab Hossein;
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作者单位

Iran University of Science and Technology;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类光学;
关键词
Quantum dot; Nanowire; Single photon source; Purcell factor; Quality factor; Telecommunication;

A new III–V nanowire-quantum dot single photon source with improved Purcell factor for quantum communication

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