Suspended polarization beam splitter on silicon-on-insulator

被引：23

作者：

Errando-Herranz, Carlos ^{[1
]}

Das, Sandipan ^{[1
]}

Gylfason, Kristinn B. ^{[1
]}

机构：

[1] KTH Royal Inst Technol, Micro & Nanosyst, Stockholm, Sweden

来源：

OPTICS EXPRESS | 2018年 / 26卷 / 03期

基金：

瑞典研究理事会;

关键词：

WAVE-GUIDE; DIRECTIONAL COUPLER; RESONATORS;

D O I：

10.1364/OE.26.002675

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Polarization handling in suspended silicon photonics has the potential to enable new applications in fields such as optomechanics, photonic microelectromechanical systems, and mid-infrared photonics. In this work, we experimentally demonstrate a suspended polarization beam splitter on a silicon-on-insulator waveguide platform, based on an asymmetric directional coupler. Our device presents polarization extinction ratios above 10 and 15 dB, and insertion losses below 5 and 1 dB, for TM and TE polarized input, respectively, across a 40 nm wavelength range at 1550 nm, with a device length below 8 mu m. These results make our suspended polarization beam splitter a promising building block for future systems based on polarization diversity suspended photonics. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

页码：2675 / 2681

页数：7

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