Terahertz emission from HgTe nanocrystals excited by femtosecond optical pulses

被引：0
|
作者：
Apretna, T. [1 ]
Massabeau, S. [1 ]
Goubet, N. [2 ]
Greboval, C. [2 ]
Dhillon, S. [1 ]
Carosella, F. [1 ]
Ferreira, R. [1 ]
Lhuillier, E. [2 ]
Mangeney, J. [1 ]
机构：
[1] Univ Paris Diderot, Sorbonne Paris Cite, Sorbonne Univ, Lab Phys,Ecole Normale Super,ENS,Univ PSL,CNRS, Paris, France
[2] Sorbonne Univ, CNRS, Inst NanoSci Paris, 4 Pl Jussieu, F-75005 Paris, France
来源：
2021 46TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER AND TERAHERTZ WAVES (IRMMW-THZ) | 2021年
关键词：
D O I：
10.1109/IRMMW-THz50926.2021.9567449
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Large HgTe nanocrystals are very attractive for THz technology since they possess strong intraband absorption at THz frequencies with hot carrier relaxation times of few picoseconds. Here, we demonstrate that large HgTe nanocrystals excited by femtosecond optical pulses emit coherent THz emission from 0.2 THz to 2.5 THz. Our study reveals the great potential of HgTe nanocrystals as an original scheme for coherent THz emission.
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页数：1
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