Second harmonic generation in gallium phosphide nano-waveguides

被引：22

作者：

Anthur, Aravind P. ^{[1
]}

Zhang, Haizhong ^{[1
]}

Akimov, Yuriy ^{[2
]}

Ong, Jun Rong ^{[2
]}

Kalashnikov, Dmitry ^{[1
]}

Kuznetsov, Arseniy, I ^{[1
]}

Krivitsky, Leonid ^{[1
]}

机构：

[1] A STAR Agcy Sci Technol & Res Res Ent, Inst Mat Res & Engn IMRE, 2 Fusionopolis Way,08-03 Innovis, Singapore 138634, Singapore

[2] A STAR Agcy Sci Technol & Res Res Ent, Inst High Performance Comp IHPC, 1 Fusionopolis Way,16-16 Connexis, Singapore 138632, Singapore

来源：

OPTICS EXPRESS | 2021年 / 29卷 / 07期

关键词：

GAP; EFFICIENT; SCALE;

D O I：

10.1364/OE.409758

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We designed, fabricated and tested gallium phosphide (GaP) nano-waveguides for second harmonic generation (SHG). We demonstrate SHG in the visible range around 655 nm using modal phase matching. We observe phase matched SHG for different combinations of interacting modes by varying the widths of the waveguides and tuning the wavelength of the pump. We achieved a normalized internal SHG conversion efficiency of 0.4% W(-1)cm(-2) for a continuous-wave pump at wavelength of 1283.5 nm, the highest reported in the literature for a GaP waveguide. We also demonstrated temperature tuning of the SHG wavelength with a slope of 0.17 nm/degrees C. The presented results contribute to the development of integrated photonic platforms with efficient nonlinear wave-mixing processes for classical and quantum applications. (C) 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

页码：10307 / 10320

页数：14

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