Nonlinear Distortion Reduction Effect of Graded-Index Plastic Optical Fiber

Kenta Muramoto; Azusa Inoue; Yasuhiro Koike

doi:10.1109/LPT.2019.2908007

Nonlinear Distortion Reduction Effect of Graded-Index Plastic Optical Fiber

Kenta Muramoto, Azusa Inoue, Yasuhiro Koike

University

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

2 Citations (Scopus)

Abstract

We experimentally demonstrate that a graded-index plastic optical fiber (GI POF) can significantly reduce transmitted signal distortion caused by the nonlinear response of a multimode fiber (MMF) link based on a vertical-cavity surface-emitting laser (VCSEL). The low distortion of the signal transmission is attributed to the strong mode coupling in the GI POF, which suppresses the increment in signal distortion due to the external optical feedback, by reducing the self-coupling of problematic back-reflected light into the VCSEL cavity. The strong mode coupling is closely associated with polymer-specific microscopic heterogeneous structures in the fiber core materials, suggesting that the signal distortion can be further reduced by controlling the microscopic properties. The nonlinear distortion reduction effect of our developed GI POF will be invaluable for next-generation MMF links based on multilevel modulation in the ultrahigh-definition era.

Original language	English
Article number	8676016
Pages (from-to)	791-794
Number of pages	4
Journal	IEEE Photonics Technology Letters
Volume	31
Issue number	10
DOIs	https://doi.org/10.1109/LPT.2019.2908007
Publication status	Published - 2019 May 15

Keywords

Nonlinear distortion
optical fiber materials
optical polymers
scattering

ASJC Scopus subject areas

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

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10.1109/LPT.2019.2908007

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title = "Nonlinear Distortion Reduction Effect of Graded-Index Plastic Optical Fiber",

abstract = "We experimentally demonstrate that a graded-index plastic optical fiber (GI POF) can significantly reduce transmitted signal distortion caused by the nonlinear response of a multimode fiber (MMF) link based on a vertical-cavity surface-emitting laser (VCSEL). The low distortion of the signal transmission is attributed to the strong mode coupling in the GI POF, which suppresses the increment in signal distortion due to the external optical feedback, by reducing the self-coupling of problematic back-reflected light into the VCSEL cavity. The strong mode coupling is closely associated with polymer-specific microscopic heterogeneous structures in the fiber core materials, suggesting that the signal distortion can be further reduced by controlling the microscopic properties. The nonlinear distortion reduction effect of our developed GI POF will be invaluable for next-generation MMF links based on multilevel modulation in the ultrahigh-definition era.",

keywords = "Nonlinear distortion, optical fiber materials, optical polymers, scattering",

author = "Kenta Muramoto and Azusa Inoue and Yasuhiro Koike",

note = "Funding Information: Manuscript received January 28, 2019; revised March 13, 2019; accepted March 21, 2019. Date of publication March 28, 2019; date of current version May 7, 2019. This work was supported by the Japan Science and Technology Agency through the Strategic Promotion of Innovative Research and Development (S-Innovation). (Corresponding authors: Azusa Inoue and Yasuhiro Koike.) K. Muramoto is with the Graduate School of Science and Technology, Keio University, Kawasaki 212-0032, Japan (e-mail: muraken0911@keio.jp). Publisher Copyright: {\textcopyright} 2019 IEEE.",

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N1 - Funding Information: Manuscript received January 28, 2019; revised March 13, 2019; accepted March 21, 2019. Date of publication March 28, 2019; date of current version May 7, 2019. This work was supported by the Japan Science and Technology Agency through the Strategic Promotion of Innovative Research and Development (S-Innovation). (Corresponding authors: Azusa Inoue and Yasuhiro Koike.) K. Muramoto is with the Graduate School of Science and Technology, Keio University, Kawasaki 212-0032, Japan (e-mail: muraken0911@keio.jp). Publisher Copyright: © 2019 IEEE.

PY - 2019/5/15

Y1 - 2019/5/15

N2 - We experimentally demonstrate that a graded-index plastic optical fiber (GI POF) can significantly reduce transmitted signal distortion caused by the nonlinear response of a multimode fiber (MMF) link based on a vertical-cavity surface-emitting laser (VCSEL). The low distortion of the signal transmission is attributed to the strong mode coupling in the GI POF, which suppresses the increment in signal distortion due to the external optical feedback, by reducing the self-coupling of problematic back-reflected light into the VCSEL cavity. The strong mode coupling is closely associated with polymer-specific microscopic heterogeneous structures in the fiber core materials, suggesting that the signal distortion can be further reduced by controlling the microscopic properties. The nonlinear distortion reduction effect of our developed GI POF will be invaluable for next-generation MMF links based on multilevel modulation in the ultrahigh-definition era.

AB - We experimentally demonstrate that a graded-index plastic optical fiber (GI POF) can significantly reduce transmitted signal distortion caused by the nonlinear response of a multimode fiber (MMF) link based on a vertical-cavity surface-emitting laser (VCSEL). The low distortion of the signal transmission is attributed to the strong mode coupling in the GI POF, which suppresses the increment in signal distortion due to the external optical feedback, by reducing the self-coupling of problematic back-reflected light into the VCSEL cavity. The strong mode coupling is closely associated with polymer-specific microscopic heterogeneous structures in the fiber core materials, suggesting that the signal distortion can be further reduced by controlling the microscopic properties. The nonlinear distortion reduction effect of our developed GI POF will be invaluable for next-generation MMF links based on multilevel modulation in the ultrahigh-definition era.

KW - Nonlinear distortion

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KW - optical polymers

KW - scattering

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Nonlinear Distortion Reduction Effect of Graded-Index Plastic Optical Fiber

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