Dual-etch apodised grating couplers for efficient fibre-chip coupling near 1310 nm wavelength

被引：49

作者：

Chen, Xia ^{[1
]}

Thomson, David J. ^{[1
]}

Crudginton, Lee ^{[1
]}

Khokhar, Ali Z. ^{[1
]}

Reed, Graham T. ^{[1
]}

机构：

[1] Univ Southampton, Optoelect Res Ctr, Univ Rd, Southampton SO17 1BJ, Hants, England

来源：

OPTICS EXPRESS | 2017年 / 25卷 / 15期

基金：

英国工程与自然科学研究理事会;

关键词：

NANOPHOTONIC WAVE-GUIDES; OPTICAL-FIBERS;

D O I：

10.1364/OE.25.017864

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present our recent work on fibre-chip grating couplers operating around 1310 nm. For the first time, we demonstrate the combination of dual-etch and apodization design approaches which may achieve a coupling efficiency of 85% (-0.7 dB). Subwavelength structures were employed to modify the coupling strength of the grating. -1.9 dB efficiency was measured from a first set of fabricated structures. Published by The Optical Society under the terms of the Creative Commons Attribution 4.0 License.

引用

页码：17864 / 17871

页数：8

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