Polarization-maintaining few mode fiber composed of a central circular-hole and an elliptical-ring core

Jiajia Zhao; Ming Tang; Kyunghwan Oh; Zhenhua Feng; Can Zhao; Ruolin Liao; Songnian Fu; Perry Ping Shum; Deming Liu

doi:10.1364/PRJ.5.000261

Polarization-maintaining few mode fiber composed of a central circular-hole and an elliptical-ring core

Jiajia Zhao, Ming Tang, Kyunghwan Oh, Zhenhua Feng, Can Zhao, Ruolin Liao, Songnian Fu, Perry Ping Shum, Deming Liu

Department of Physics

Research output: Contribution to journal › Article › peer-review

50 Citations (Scopus)

Abstract

We propose a novel waveguide design of a polarization-maintaining few mode fiber (PM-FMF) supporting ≥10 non-degenerate modes, utilizing a central circular air hole and a circumjacent elliptical-ring core. The structure endows a new degree of freedom to adjust the birefringence of all the guided modes, including the fundamental polarization mode. Numerical simulations demonstrate that, by optimizing the air hole and elliptical-ring core, a PM-FMF supporting 10 distinctive polarization modes has been achieved, and the effective index difference Δn_eff between the adjacent guided modes could be kept larger than 1.32 × 10^-4 over the whole C L band. The proposed fiber structure can be flexibly tailored to support an even larger number of modes in PM-FMF (14-mode PM-FMF has been demonstrated as an example), which can be readily applicable to a scalable mode division multiplexing system.

Original language	English
Pages (from-to)	261-266
Number of pages	6
Journal	Photonics Research
Volume	5
Issue number	3
DOIs	https://doi.org/10.1364/PRJ.5.000261
Publication status	Published - 2017 Jun 1

Bibliographical note

Funding Information:
National Natural Science Foundation of China (NSFC) (61331010, 61205063); 863 High Technology plan (2015AA016904); Program for New Century Excellent Talents in University (NCET) (NCET-13-0235).

Publisher Copyright:
© 2017 Chinese Laser Press.

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics

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10.1364/PRJ.5.000261

Cite this

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title = "Polarization-maintaining few mode fiber composed of a central circular-hole and an elliptical-ring core",

abstract = "We propose a novel waveguide design of a polarization-maintaining few mode fiber (PM-FMF) supporting ≥10 non-degenerate modes, utilizing a central circular air hole and a circumjacent elliptical-ring core. The structure endows a new degree of freedom to adjust the birefringence of all the guided modes, including the fundamental polarization mode. Numerical simulations demonstrate that, by optimizing the air hole and elliptical-ring core, a PM-FMF supporting 10 distinctive polarization modes has been achieved, and the effective index difference Δneff between the adjacent guided modes could be kept larger than 1.32 × 10-4 over the whole C L band. The proposed fiber structure can be flexibly tailored to support an even larger number of modes in PM-FMF (14-mode PM-FMF has been demonstrated as an example), which can be readily applicable to a scalable mode division multiplexing system.",

author = "Jiajia Zhao and Ming Tang and Kyunghwan Oh and Zhenhua Feng and Can Zhao and Ruolin Liao and Songnian Fu and Shum, {Perry Ping} and Deming Liu",

note = "Funding Information: National Natural Science Foundation of China (NSFC) (61331010, 61205063); 863 High Technology plan (2015AA016904); Program for New Century Excellent Talents in University (NCET) (NCET-13-0235). Publisher Copyright: {\textcopyright} 2017 Chinese Laser Press.",

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AU - Zhao, Jiajia

AU - Tang, Ming

AU - Oh, Kyunghwan

AU - Feng, Zhenhua

AU - Zhao, Can

AU - Liao, Ruolin

AU - Fu, Songnian

AU - Shum, Perry Ping

AU - Liu, Deming

N1 - Funding Information: National Natural Science Foundation of China (NSFC) (61331010, 61205063); 863 High Technology plan (2015AA016904); Program for New Century Excellent Talents in University (NCET) (NCET-13-0235). Publisher Copyright: © 2017 Chinese Laser Press.

PY - 2017/6/1

Y1 - 2017/6/1

N2 - We propose a novel waveguide design of a polarization-maintaining few mode fiber (PM-FMF) supporting ≥10 non-degenerate modes, utilizing a central circular air hole and a circumjacent elliptical-ring core. The structure endows a new degree of freedom to adjust the birefringence of all the guided modes, including the fundamental polarization mode. Numerical simulations demonstrate that, by optimizing the air hole and elliptical-ring core, a PM-FMF supporting 10 distinctive polarization modes has been achieved, and the effective index difference Δneff between the adjacent guided modes could be kept larger than 1.32 × 10-4 over the whole C L band. The proposed fiber structure can be flexibly tailored to support an even larger number of modes in PM-FMF (14-mode PM-FMF has been demonstrated as an example), which can be readily applicable to a scalable mode division multiplexing system.

AB - We propose a novel waveguide design of a polarization-maintaining few mode fiber (PM-FMF) supporting ≥10 non-degenerate modes, utilizing a central circular air hole and a circumjacent elliptical-ring core. The structure endows a new degree of freedom to adjust the birefringence of all the guided modes, including the fundamental polarization mode. Numerical simulations demonstrate that, by optimizing the air hole and elliptical-ring core, a PM-FMF supporting 10 distinctive polarization modes has been achieved, and the effective index difference Δneff between the adjacent guided modes could be kept larger than 1.32 × 10-4 over the whole C L band. The proposed fiber structure can be flexibly tailored to support an even larger number of modes in PM-FMF (14-mode PM-FMF has been demonstrated as an example), which can be readily applicable to a scalable mode division multiplexing system.

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Polarization-maintaining few mode fiber composed of a central circular-hole and an elliptical-ring core

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