All-fiber-based selective mode multiplexer and demultiplexer for weakly-coupled mode-division multiplexed systems

Koji Igarashi; Kyung Jun Park; Takahiro Tsuritani; Itsuro Morita; Byoung Yoon Kim

doi:10.1016/j.optcom.2017.08.049

All-fiber-based selective mode multiplexer and demultiplexer for weakly-coupled mode-division multiplexed systems

Koji Igarashi^*, Kyung Jun Park, Takahiro Tsuritani, Itsuro Morita, Byoung Yoon Kim

^*Corresponding author for this work

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

12 Citations (Scopus)

Abstract

We show all-fiber-based selective mode multiplexers and demultiplexers for weakly-coupled mode-division multiplexed systems. We fabricate a set of six-mode multiplexer and demultiplexer based on fiber mode selective couplers, and experimentally evaluate the performance for the six-mode dual-polarization (DP) quadrature phase shift keying (QPSK) optical signals. In the mode multiplexer and demultiplexer, the mode couplings between the lower three modes and the higher three modes are suppressed to be less than −20 dB, which enables us to apply partial 6×6 MIMO equalizers even for the six-mode demultiplexing. For the six-mode DP-QPSK signals, the penalty of optical signal-to-noise ratio by replacing the full 12×12MIMO to the partial 6×6 MIMO is suppressed by less than 1 dB.

Original language	English
Pages (from-to)	58-62
Number of pages	5
Journal	Optics Communications
Volume	408
DOIs	https://doi.org/10.1016/j.optcom.2017.08.049
Publication status	Published - 2018 Feb 1
Externally published	Yes

Keywords

Fiber mode selective coupler
Mode division multiplexing
Mode multiplexer

ASJC Scopus subject areas

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

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10.1016/j.optcom.2017.08.049

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title = "All-fiber-based selective mode multiplexer and demultiplexer for weakly-coupled mode-division multiplexed systems",

abstract = "We show all-fiber-based selective mode multiplexers and demultiplexers for weakly-coupled mode-division multiplexed systems. We fabricate a set of six-mode multiplexer and demultiplexer based on fiber mode selective couplers, and experimentally evaluate the performance for the six-mode dual-polarization (DP) quadrature phase shift keying (QPSK) optical signals. In the mode multiplexer and demultiplexer, the mode couplings between the lower three modes and the higher three modes are suppressed to be less than −20 dB, which enables us to apply partial 6×6 MIMO equalizers even for the six-mode demultiplexing. For the six-mode DP-QPSK signals, the penalty of optical signal-to-noise ratio by replacing the full 12×12MIMO to the partial 6×6 MIMO is suppressed by less than 1 dB.",

keywords = "Fiber mode selective coupler, Mode division multiplexing, Mode multiplexer",

author = "Koji Igarashi and Park, {Kyung Jun} and Takahiro Tsuritani and Itsuro Morita and Kim, {Byoung Yoon}",

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doi = "10.1016/j.optcom.2017.08.049",

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T1 - All-fiber-based selective mode multiplexer and demultiplexer for weakly-coupled mode-division multiplexed systems

AU - Igarashi, Koji

AU - Park, Kyung Jun

AU - Tsuritani, Takahiro

AU - Morita, Itsuro

AU - Kim, Byoung Yoon

PY - 2018/2/1

Y1 - 2018/2/1

N2 - We show all-fiber-based selective mode multiplexers and demultiplexers for weakly-coupled mode-division multiplexed systems. We fabricate a set of six-mode multiplexer and demultiplexer based on fiber mode selective couplers, and experimentally evaluate the performance for the six-mode dual-polarization (DP) quadrature phase shift keying (QPSK) optical signals. In the mode multiplexer and demultiplexer, the mode couplings between the lower three modes and the higher three modes are suppressed to be less than −20 dB, which enables us to apply partial 6×6 MIMO equalizers even for the six-mode demultiplexing. For the six-mode DP-QPSK signals, the penalty of optical signal-to-noise ratio by replacing the full 12×12MIMO to the partial 6×6 MIMO is suppressed by less than 1 dB.

AB - We show all-fiber-based selective mode multiplexers and demultiplexers for weakly-coupled mode-division multiplexed systems. We fabricate a set of six-mode multiplexer and demultiplexer based on fiber mode selective couplers, and experimentally evaluate the performance for the six-mode dual-polarization (DP) quadrature phase shift keying (QPSK) optical signals. In the mode multiplexer and demultiplexer, the mode couplings between the lower three modes and the higher three modes are suppressed to be less than −20 dB, which enables us to apply partial 6×6 MIMO equalizers even for the six-mode demultiplexing. For the six-mode DP-QPSK signals, the penalty of optical signal-to-noise ratio by replacing the full 12×12MIMO to the partial 6×6 MIMO is suppressed by less than 1 dB.

KW - Fiber mode selective coupler

KW - Mode division multiplexing

KW - Mode multiplexer

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ER -

All-fiber-based selective mode multiplexer and demultiplexer for weakly-coupled mode-division multiplexed systems

Abstract

Keywords

ASJC Scopus subject areas

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