Raman amplification optimization in short‐reach high data rate coherent transmission systems

Mingming Tan; Md Asif Iqbal; Tu T. Nguyen; Paweł Rosa; Lukasz Krzczanowicz; Ian D. Phillips; Paul Harper; Wladek Forysiak

doi:10.3390/s21196521

Raman amplification optimization in short‐reach high data rate coherent transmission systems

Mingming Tan^*, Md Asif Iqbal, Tu T. Nguyen, Paweł Rosa, Lukasz Krzczanowicz, Ian D. Phillips, Paul Harper, Wladek Forysiak

^*Corresponding author for this work

Centre of Excellence for Silicon Photonics for Optical Communications

Research output: Contribution to journal › Journal article › Research › peer-review

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Abstract

We compared the transmission performances of 600 Gbit/s PM‐64QAM WDM signals over 75.6 km of single‐mode fibre (SMF) using EDFA, discrete Raman, hybrid Raman/EDFA, and firstorder or second‐order (dual‐order) distributed Raman amplifiers. Our numerical simulations and experimental results showed that the simple first‐order distributed Raman scheme with backward pumping delivered the best transmission performance among all the schemes, notably better than the expected second‐order Raman scheme, which gave a flatter signal power variation along the fibre. Using the first‐order backward Raman pumping scheme demonstrated a better balance between the ASE noise and fibre nonlinearity and gave an optimal transmission performance over a relatively short distance of 75 km SMF.

Original language	English
Article number	6521
Journal	Sensors
Volume	21
Issue number	19
ISSN	1424-8220
DOIs	https://doi.org/10.3390/s21196521
Publication status	Published - 1 Oct 2021

Bibliographical note

Funding Information:
Funding: UK Engineering and Physical Sciences Research Council (EPSRC) Grant EP/S003436/1 (PHOS), EP/V000969/1 (ARGON), Polish Ministry of Science and Higher Education Grant 12300060, and National Natural Science Foundation of China Grant 61975027.

Publisher Copyright:
© 2021 by the authors. Licensee MDPI, Basel, Switzerland.

Keywords

Optical fibre communication
Raman amplification

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title = "Raman amplification optimization in short‐reach high data rate coherent transmission systems",

abstract = "We compared the transmission performances of 600 Gbit/s PM‐64QAM WDM signals over 75.6 km of single‐mode fibre (SMF) using EDFA, discrete Raman, hybrid Raman/EDFA, and firstorder or second‐order (dual‐order) distributed Raman amplifiers. Our numerical simulations and experimental results showed that the simple first‐order distributed Raman scheme with backward pumping delivered the best transmission performance among all the schemes, notably better than the expected second‐order Raman scheme, which gave a flatter signal power variation along the fibre. Using the first‐order backward Raman pumping scheme demonstrated a better balance between the ASE noise and fibre nonlinearity and gave an optimal transmission performance over a relatively short distance of 75 km SMF.",

keywords = "Optical fibre communication, Raman amplification",

author = "Mingming Tan and Iqbal, \{Md Asif\} and Nguyen, \{Tu T.\} and Pawe{\l} Rosa and Lukasz Krzczanowicz and Phillips, \{Ian D.\} and Paul Harper and Wladek Forysiak",

note = "Funding Information: Funding: UK Engineering and Physical Sciences Research Council (EPSRC) Grant EP/S003436/1 (PHOS), EP/V000969/1 (ARGON), Polish Ministry of Science and Higher Education Grant 12300060, and National Natural Science Foundation of China Grant 61975027. Publisher Copyright: {\textcopyright} 2021 by the authors. Licensee MDPI, Basel, Switzerland.",

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T1 - Raman amplification optimization in short‐reach high data rate coherent transmission systems

AU - Tan, Mingming

AU - Iqbal, Md Asif

AU - Nguyen, Tu T.

AU - Rosa, Paweł

AU - Krzczanowicz, Lukasz

AU - Phillips, Ian D.

AU - Harper, Paul

AU - Forysiak, Wladek

N1 - Funding Information: Funding: UK Engineering and Physical Sciences Research Council (EPSRC) Grant EP/S003436/1 (PHOS), EP/V000969/1 (ARGON), Polish Ministry of Science and Higher Education Grant 12300060, and National Natural Science Foundation of China Grant 61975027. Publisher Copyright: © 2021 by the authors. Licensee MDPI, Basel, Switzerland.

PY - 2021/10/1

Y1 - 2021/10/1

N2 - We compared the transmission performances of 600 Gbit/s PM‐64QAM WDM signals over 75.6 km of single‐mode fibre (SMF) using EDFA, discrete Raman, hybrid Raman/EDFA, and firstorder or second‐order (dual‐order) distributed Raman amplifiers. Our numerical simulations and experimental results showed that the simple first‐order distributed Raman scheme with backward pumping delivered the best transmission performance among all the schemes, notably better than the expected second‐order Raman scheme, which gave a flatter signal power variation along the fibre. Using the first‐order backward Raman pumping scheme demonstrated a better balance between the ASE noise and fibre nonlinearity and gave an optimal transmission performance over a relatively short distance of 75 km SMF.

AB - We compared the transmission performances of 600 Gbit/s PM‐64QAM WDM signals over 75.6 km of single‐mode fibre (SMF) using EDFA, discrete Raman, hybrid Raman/EDFA, and firstorder or second‐order (dual‐order) distributed Raman amplifiers. Our numerical simulations and experimental results showed that the simple first‐order distributed Raman scheme with backward pumping delivered the best transmission performance among all the schemes, notably better than the expected second‐order Raman scheme, which gave a flatter signal power variation along the fibre. Using the first‐order backward Raman pumping scheme demonstrated a better balance between the ASE noise and fibre nonlinearity and gave an optimal transmission performance over a relatively short distance of 75 km SMF.

KW - Optical fibre communication

KW - Raman amplification

U2 - 10.3390/s21196521

DO - 10.3390/s21196521

M3 - Journal article

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AN - SCOPUS:85116014151

SN - 1424-8220

VL - 21

JO - Sensors

JF - Sensors

IS - 19

M1 - 6521

ER -

Raman amplification optimization in short‐reach high data rate coherent transmission systems

Abstract

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Keywords

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