Mid-infrared integrated silicon-germanium ring resonator with high Q-factor

被引：14

作者：

Armand, Remi ^{[1
]}

Perestjuk, Marko ^{[1
,2
]}

Della Torre, Alberto ^{[1
]}

Sinobad, Milan ^{[3
]}

Mitchell, Arnan ^{[2
]}

Boes, Andreas ^{[2
,4
,5
]}

Hartmann, Jean-Michel ^{[6
]}

Fedeli, Jean-Marc ^{[6
]}

Reboud, Vincent ^{[6
]}

Brianceau, Pierre ^{[6
]}

De Rossi, Alfredo ^{[7
]}

Combrie, Sylvain ^{[7
]}

Monat, Christelle ^{[1
]}

Grillet, Christian ^{[1
]}

机构：

[1] Univ Lyon, Inst Nanotechnol Lyon INL, CNRS, UMR 5270,Ecole Cent Lyon, F-69131 Ecully, France

[2] RMIT Univ, Sch Engn, Melbourne, Vic 3001, Australia

[3] DESY, D-22607 Hamburg, Germany

[4] Univ Adelaide, Inst Photon & Adv Sensing, Adelaide, SA 5005, Australia

[5] Univ Adelaide, Sch Elect & Mech Engn, Adelaide, SA 5005, Australia

[6] Univ Grenoble Alpes, CEA Leti, F-38054 Grenoble, France

[7] Thales Res & Technol, Campus Polytech, F-91767 Palaiseau, France

来源：

APL PHOTONICS | 2023年 / 8卷 / 07期

基金：

欧盟地平线“2020”;

关键词：

WAVE-GUIDES; SUPERCONTINUUM GENERATION; PHOTONICS; PLATFORM;

D O I：

10.1063/5.0149324

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report the realization of a silicon-germanium on silicon ring resonator with high Q-factor at mid-infrared wavelengths. The fabricated ring exhibits a loaded Q-factor of 236 000 at the operating wavelength of 4.18 mu m. Considering the combined waveguide propagation losses and bending losses, which are measured to be below 0.2 dB/cm, even higher Q-factors could be achieved on this platform. Furthermore, our dispersion engineering of the waveguides should make these microrings suitable for nonlinear optical applications. These results pave the way for sensing applications and nonlinear optics in the mid-infrared range.

引用

页数：6

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