Strong coupling of hybrid states of light and matter in cavity-coupled quantum dot solids

被引：0
|
作者：
Sangeetha, Arumugam [1 ]
Reivanth, Kanagaraj [1 ]
Thrupthika, Thankappan [1 ]
Ramya, Subramaniam [1 ]
Nataraj, Devaraj [1 ,2 ]
机构：
[1] Bharathiar Univ, Dept Phys, Quantum Mat & Energy Devices Lab, Coimbatore 641046, Tamil Nadu, India
[2] Bharathiar Univ, UGC CPEPA Ctr Adv Studies Phys Dev Solar Energy Ma, Dept Phys, Coimbatore 641046, Tamil Nadu, India
来源：
SCIENTIFIC REPORTS | 2023年 / 13卷 / 01期
关键词：
ENHANCED FLUORESCENCE; SILVER TELLURIDE; ROOM-TEMPERATURE; POLARITONS; DYNAMICS;
D O I：
10.1038/s41598-023-42105-1
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The formation of plasmon-exciton (plexciton) polariton is a direct consequence of strong light-matter interaction, and it happens in a semiconductor-metal hybrid system. Here the formation of plasmon-exciton polaritons was observed from an AgTe/CdTe Quantum Dot (QD) solid system in the strong coupling regime. The strong coupling was achieved by increasing the oscillator strength of the excitons by forming coupled QD solids. The anti-crossing-like behaviour indicates the strong coupling between plasmonic and excitons state in AgTe/CdTe QD solids, resulting in a maximum Rabi splitting value of 225 meV at room temperature. The formation of this hybrid state of matter and its dynamics were studied through absorption, photoluminescence, and femtosecond transient studies.
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页数：16
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