Towards Double Resonant Cavity Enhanced Second Harmonic Generation in Monolayer MoS2

被引：8
作者：
Shradha, Sai [1 ,2 ]
Abtahi, Fatemeh [1 ]
Gan, Ziyang [3 ]
Knopf, Heiko [1 ,4 ,5 ]
Fedotova, Anna [1 ,3 ,6 ]
Loechner, Franz J. F. [1 ]
George, Antony
Pertsch, Thomas [1 ,4 ,5 ]
Turchanin, Andrey [3 ]
Eilenberger, Falk [1 ,4 ,5 ]
机构：
[1] Friedrich Schiller Univ, Inst Appl Phys, Abbe Ctr Photon, Albert Einstein Str 15, D-07745 Jena, Germany
[2] Tech Univ Darmstadt, Inst Condensed Matter Phys, Hochschulstr 6, D-64289 Darmstadt, Germany
[3] Friedrich Schiller Univ, Inst Phys Chem, Lessingstr 10, D-07743 Jena, Germany
[4] Fraunhofer Inst Appl Opt & Precis Engn IOF, Microand Nanostruct Opt, Albert Einstein Str 7, D-07745 Jena, Germany
[5] Max Planck Sch Photon, Hans Knoll Str 1, D-07745 Jena, Germany
[6] Friedrich Schiller Univ, Inst Solid State Phys, Helmholtzweg 3, D-07743 Jena, Germany
来源：
ADVANCED OPTICAL MATERIALS | 2024年 / 12卷 / 06期
关键词：
microcavity; second harmonic generation; transition metal dichalcogenides; PHOTOLUMINESCENCE; OPTOELECTRONICS;
D O I：
10.1002/adom.202300907
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A characteristic property of monolayered transition metal dichalcogenides is their strong nonlinear response. While they display a high conversion efficiency per atomic layer, due to their low thickness, the absolute value of their nonlinear response remains low. Here enhancement of the second harmonic generation (SHG) of monolayer MoS2 through the design, fabrication, and characterization of a monolithic microcavity, which aims to be double resonant at a fundamental wavelength of lambda = 800 nm as well as its second harmonic, is demonstrated. The MoS2 monolayers are embedded in such a cavity, with the aim to simultaneously enhance the light-matter interaction at the excitation wavelength and the SHG from the monolayers. A resonance enhancement for the SHG process is achieved through the cavity.
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页数：6
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