Enhanced light-matter interaction in atomically thin MoS2 coupled with 1D photonic crystal nanocavity

被引：14
|
作者：
Liu, Tao [1 ,2 ]
Qiu, Haodong [1 ,2 ]
Yin, Tingting [2 ,3 ]
Huang, Chungche [4 ]
Liang, Guozhen [1 ,2 ]
Qiang, Bo [1 ,2 ,3 ,4 ]
Shen, Youde [2 ,3 ]
Liang, Houkun [5 ]
Zhang, Ying [5 ]
Wang, Hong [1 ,2 ]
Shen, Zexiang [2 ,3 ]
Hewak, Daniel W. [4 ]
Wang, Qi Jie [1 ,2 ,3 ]
机构：
[1] Nanyang Technol Univ, Ctr OptoElect & Biophoton, Sch Elect & Elect Engn, Singapore 639798, Singapore
[2] Nanyang Technol Univ, Photon Inst, Singapore 639798, Singapore
[3] Nanyang Technol Univ, Sch Phys & Math Sci, CDPT, Singapore 639798, Singapore
[4] Univ Southampton, Optoelect Res Ctr, Southampton SO17 1BJ, Hants, England
[5] SIMTech, 2 Fusionopolis Way, Singapore 138634, Singapore
来源：
OPTICS EXPRESS | 2017年 / 25卷 / 13期
基金：
新加坡国家研究基金会; 英国工程与自然科学研究理事会;
关键词：
QUALITY-FACTOR;
D O I：
10.1364/OE.25.014691
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Engineering the surrounding electromagnetic environment of light emitters by photonic engineering, e.g. photonic crystal cavity, can dramatically enhance its spontaneous emission rate through the Purcell effect. Here we report an enhanced spontaneous emission rate of monolayer molybdenum disulfide (MoS2) by coupling it to a 1D silicon nitride photonic crystal. A four times stronger photoluminescence (PL) intensity of MoS2 in a 1D photonic crystal cavity than un-coupled emission is observed. Considering the relative ease of fabrication and the natural integration with a silicon-based system, the high Purcell factor renders this device as a highly promising platform for applications such as visible solid-state cavity quantum electrodynamics (QED). (C) 2017 Optical Society of America
引用
收藏
页码：14691 / 14696
页数：6
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