Bimodal grating coupler design on SOI technology for mode division multiplexing a 1550 nm

被引：18

作者：

Garcia-Rodriguez, David ^{[1
]}

Corral, Juan L. ^{[1
]}

Griol, Amadeu ^{[1
]}

Llorente, Roberto ^{[1
]}

机构：

[1] Univ Politecn Valencia, Nanophoton Technol Ctr, Camino Vera S-N, E-46022 Valencia, Spain

来源：

OPTICS EXPRESS | 2018年 / 26卷 / 15期

关键词：

SILICON; CONVERTER;

D O I：

10.1364/OE.26.019445

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this paper, we evaluate by means of simulation and experimentally the simultaneous coupling of the LP01x-LP11ax fiber modes and the TE0-TE1 nanophotonic SOI waveguide modes using a grating coupler for a two-mode fiber at 1550 nm. Both the grating width (ranging from 10 mu m to 15 mu m) and the grating vertical profile have been considered in the design procedure. The optimum design (14 mu m width and 609 nm grating period) has been selected in terms of coupling efficiency (both LP01x-TE0 and LP11ax-TE1), compactness and tolerance to lateral misalignments between fiber and coupler. The LP01x-TE0 and LP11ax-TE1 modes achieved coupling efficiencies of 49% and 45%, respectively. (C) 2017 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

页码：19445 / 19455

页数：11

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