Design of elliptical-core mode-selective photonic lanterns with six modes for MIMO-free mode division multiplexing systems

被引：21

作者：

Sai, Xiaowei ^{[1
]}

Li, Yan ^{[1
]}

Yang, Chen ^{[2
]}

Li, Wei ^{[1
]}

Qiu, Jifang ^{[1
]}

Hong, Xiaobin ^{[1
]}

Zuo, Yong ^{[1
]}

Guo, Hongxiang ^{[1
]}

Tong, Weijun ^{[2
]}

Wu, Jian ^{[1
]}

机构：

[1] Beijing Univ Posts & Telecommun, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China

[2] Yangtze Opt Fibre & Cable Joint Stock Ltd Co, State Key Lab Opt Fibre & Cable Manufacture Techn, Wuhan 430074, Hubei, Peoples R China

来源：

OPTICS LETTERS | 2017年 / 42卷 / 21期

基金：

中国国家自然科学基金;

关键词：

FIBER;

D O I：

10.1364/OL.42.004355

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Elliptical-core few mode fiber (EC-FMF) is used in a mode division multiplexing (MDM) transmission system to release multiple-input-multiple-output (MIMO) digital-signal-processing, which reduces the cost and the complexity of the receiver. However, EC-FMF does not match with conventional multiplexers/de-multiplexers (MUXs/DeMUXs) such as a photonic lantern, leading to extra mode coupling loss and crosstalk. We design elliptical-core mode-selective photonic lanterns (EC-MSPLs) with six modes, which can match well with EC-FMF in MIMO-free MDM systems. Simulation of the EC-MSPL using the beam propagation method was demonstrated employing a combination of either step-index or graded-index fibers with six different sizes of cores, and the taper transition length of 8 cm or 4 cm. Through numerical simulations and optimizations, both types of photonic lanterns can realize low loss transmission and low crosstalk of below -20.0 dB for all modes. (C) 2017 Optical Society of America

引用

页码：4355 / 4358

页数：4

共 36 条

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