Reconfigurable optical inter-channel interference mitigation for spectrally overlapped QPSK signals using nonlinear wave mixing in cascaded PPLN waveguides

Yinwen Cao; Morteza Ziyadi; Amirhossein Mohajerin-Ariaei; Ahmed Almaiman; Peicheng Liao; Changjing Bao; Fatemeh Alishahi; Ahmad Falahpour; Bishara Shamee; Jeng Yuan Yang; Youichi Akasaka; Motoyoshi Sekiya; Moshe Tur; Carsten Langrock; Martin Fejer; Joseph Touch; Alan E. Willner

doi:10.1364/OL.41.003233

Reconfigurable optical inter-channel interference mitigation for spectrally overlapped QPSK signals using nonlinear wave mixing in cascaded PPLN waveguides

Yinwen Cao^*, Morteza Ziyadi, Amirhossein Mohajerin-Ariaei, Ahmed Almaiman, Peicheng Liao, Changjing Bao, Fatemeh Alishahi, Ahmad Falahpour, Bishara Shamee, Jeng Yuan Yang, Youichi Akasaka, Motoyoshi Sekiya, Moshe Tur, Carsten Langrock, Martin Fejer, Joseph Touch, Alan E. Willner

^*Corresponding author for this work

School of Electrical Engineering

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

12 Scopus citations

Abstract

A reconfigurable all-optical inter-channel interference (ICI) mitigation method is proposed for an overlapped channel system that avoids the need for multi-channel detection and channel spacing estimation. The system exhibits a 0.5-dB implementation penalty compared to a single-channel baseline system. Experiments using a dual-carrier QPSK overlapped system with both 20G-baud and 25G-baud under different channel spacing conditions evaluate the performance of the method. Improved signal constellation and receiver sensitivity demonstrate the effectiveness of this approach. This results in over 4-dB OSNR of benefit when the system Q-factor reaches a forward error correction (FEC) threshold of 8.5 dB under less-than-baudrate channel spacing conditions.

Original language	English
Pages (from-to)	3233-3236
Number of pages	4
Journal	Optics Letters
Volume	41
Issue number	14
DOIs	https://doi.org/10.1364/OL.41.003233
State	Published - 15 Jul 2016

Funding

Funders	Funder number
National Science Foundation
Fujitsu

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10.1364/OL.41.003233

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Cao, Y., Ziyadi, M., Mohajerin-Ariaei, A., Almaiman, A., Liao, P., Bao, C., Alishahi, F., Falahpour, A., Shamee, B., Yang, J. Y., Akasaka, Y., Sekiya, M., Tur, M., Langrock, C., Fejer, M., Touch, J., & Willner, A. E. (2016). Reconfigurable optical inter-channel interference mitigation for spectrally overlapped QPSK signals using nonlinear wave mixing in cascaded PPLN waveguides. Optics Letters, 41(14), 3233-3236. https://doi.org/10.1364/OL.41.003233

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title = "Reconfigurable optical inter-channel interference mitigation for spectrally overlapped QPSK signals using nonlinear wave mixing in cascaded PPLN waveguides",

abstract = "A reconfigurable all-optical inter-channel interference (ICI) mitigation method is proposed for an overlapped channel system that avoids the need for multi-channel detection and channel spacing estimation. The system exhibits a 0.5-dB implementation penalty compared to a single-channel baseline system. Experiments using a dual-carrier QPSK overlapped system with both 20G-baud and 25G-baud under different channel spacing conditions evaluate the performance of the method. Improved signal constellation and receiver sensitivity demonstrate the effectiveness of this approach. This results in over 4-dB OSNR of benefit when the system Q-factor reaches a forward error correction (FEC) threshold of 8.5 dB under less-than-baudrate channel spacing conditions.",

author = "Yinwen Cao and Morteza Ziyadi and Amirhossein Mohajerin-Ariaei and Ahmed Almaiman and Peicheng Liao and Changjing Bao and Fatemeh Alishahi and Ahmad Falahpour and Bishara Shamee and Yang, \{Jeng Yuan\} and Youichi Akasaka and Motoyoshi Sekiya and Moshe Tur and Carsten Langrock and Martin Fejer and Joseph Touch and Willner, \{Alan E.\}",

note = "Publisher Copyright: {\textcopyright} 2016 Optical Society of America.",

year = "2016",

month = jul,

day = "15",

doi = "10.1364/OL.41.003233",

language = "אנגלית",

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Cao, Y, Ziyadi, M, Mohajerin-Ariaei, A, Almaiman, A, Liao, P, Bao, C, Alishahi, F, Falahpour, A, Shamee, B, Yang, JY, Akasaka, Y, Sekiya, M, Tur, M, Langrock, C, Fejer, M, Touch, J & Willner, AE 2016, 'Reconfigurable optical inter-channel interference mitigation for spectrally overlapped QPSK signals using nonlinear wave mixing in cascaded PPLN waveguides', Optics Letters, vol. 41, no. 14, pp. 3233-3236. https://doi.org/10.1364/OL.41.003233

TY - JOUR

T1 - Reconfigurable optical inter-channel interference mitigation for spectrally overlapped QPSK signals using nonlinear wave mixing in cascaded PPLN waveguides

AU - Cao, Yinwen

AU - Ziyadi, Morteza

AU - Mohajerin-Ariaei, Amirhossein

AU - Almaiman, Ahmed

AU - Liao, Peicheng

AU - Bao, Changjing

AU - Alishahi, Fatemeh

AU - Falahpour, Ahmad

AU - Shamee, Bishara

AU - Yang, Jeng Yuan

AU - Akasaka, Youichi

AU - Sekiya, Motoyoshi

AU - Tur, Moshe

AU - Langrock, Carsten

AU - Fejer, Martin

AU - Touch, Joseph

AU - Willner, Alan E.

PY - 2016/7/15

Y1 - 2016/7/15

N2 - A reconfigurable all-optical inter-channel interference (ICI) mitigation method is proposed for an overlapped channel system that avoids the need for multi-channel detection and channel spacing estimation. The system exhibits a 0.5-dB implementation penalty compared to a single-channel baseline system. Experiments using a dual-carrier QPSK overlapped system with both 20G-baud and 25G-baud under different channel spacing conditions evaluate the performance of the method. Improved signal constellation and receiver sensitivity demonstrate the effectiveness of this approach. This results in over 4-dB OSNR of benefit when the system Q-factor reaches a forward error correction (FEC) threshold of 8.5 dB under less-than-baudrate channel spacing conditions.

AB - A reconfigurable all-optical inter-channel interference (ICI) mitigation method is proposed for an overlapped channel system that avoids the need for multi-channel detection and channel spacing estimation. The system exhibits a 0.5-dB implementation penalty compared to a single-channel baseline system. Experiments using a dual-carrier QPSK overlapped system with both 20G-baud and 25G-baud under different channel spacing conditions evaluate the performance of the method. Improved signal constellation and receiver sensitivity demonstrate the effectiveness of this approach. This results in over 4-dB OSNR of benefit when the system Q-factor reaches a forward error correction (FEC) threshold of 8.5 dB under less-than-baudrate channel spacing conditions.

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JO - Optics Letters

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Reconfigurable optical inter-channel interference mitigation for spectrally overlapped QPSK signals using nonlinear wave mixing in cascaded PPLN waveguides

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