Optical Third-Harmonic Generation in Hexagonal Boron Nitride Thin Films

被引：32

作者：

Popkova, Anna A. ^{[1
]}

Antropov, Ilya M. ^{[1
]}

Froch, Johannes E. ^{[2
]}

Kim, Sejeong ^{[3
]}

Aharonovich, Igor ^{[2
,4
]}

Bessonov, Vladimir O. ^{[1
,5
]}

Solntsev, Alexander S. ^{[2
]}

Fedyanin, Andrey A. ^{[1
]}

机构：

[1] Lomonosov Moscow State Univ, Fac Phys, Moscow 119991, Russia

[2] Univ Technol Sydney, Sch Math & Phys Sci, Ultimo, NSW 2007, Australia

[3] Univ Melbourne, Dept Elect & Elect Engn, Melbourne, Vic 3010, Australia

[4] Univ Technol Sydney, ARC Ctr Excellence Transformat Meta Opt Syst TMOS, Ultimo, NSW 2007, Australia

[5] Russian Acad Sci, Frumkin Inst Phys Chem & Electrochem, Moscow 119071, Russia

来源：

ACS PHOTONICS | 2021年 / 8卷 / 03期

基金：

澳大利亚研究理事会; 俄罗斯科学基金会; 俄罗斯基础研究基金会;

关键词：

hexagonal boron nitride; third-harmonic generation; third-order susceptibility; 2D materials; coherence length; nonlinear optics;

D O I：

10.1021/acsphotonics.0c01759

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Hexagonal boron nitride (hBN) is a layered material that exhibits remarkable optical features in the UV visible, and IR ranges, attractive for applications in modern photonics. Being transparent in a wide spectral range, hBN is now considered an important building block for novel integrated photonic platforms, thus requiring the study of its optical properties. In this work, we report on the measurements of hBN optical cubic nonlinearity chi((3)) equal to 8.4 X 10(-21) m(2)/V-2 by observing the third-harmonic generation for 1080 nm pump wavelength from mechanically exfoliated hBN flakes with thicknesses varying from 5 to 170 nm. The third-order susceptibility of hBN is close to that of Si3N4 highlighting the potential of hBN for nonlinear applications.

引用

页码：824 / 831

页数：8

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