Billion Q-factor in silicon WGM resonators

被引：71

作者：

Shitikov, A. E. ^{[1
,2
]}

Bilenko, I. A. ^{[1
,2
]}

Kondratiev, N. M. ^{[2
]}

Lobanov, V. E. ^{[2
]}

Markosyan, A. ^{[3
]}

Gorodetsky, M. L. ^{[1
,2
]}

机构：

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

[2] Russian Quantum Ctr, Skolkovo 143025, Russia

[3] Stanford Univ, Stanford, CA 94305 USA

来源：

OPTICA | 2018年 / 5卷 / 12期

基金：

俄罗斯科学基金会;

关键词：

MIDINFRARED FREQUENCY COMBS; ABSORPTION;

D O I：

10.1364/OPTICA.5.001525

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Optical whispering gallery mode (WGM) resonators allow combination of small mode volume with high Q-factor. Silicon is a major material for modern microelectronics and photonics. However, relatively low Q-factors of optical Si microresonators demonstrated so far have limited some promising applications. We report what we believe is first time measurement of a Q-factor of 1.2 x 10(9) in millimeter scale crystalline silicon optical resonators at 1550 nm wavelength. A novel silicon hemispherical coupler allowed us to reach up to 35% of coupling efficiency. (c) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

页码：1525 / 1528

页数：4

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