9.6-THz Single Fibre Amplifier O-Band Coherent DWDM Transmission

We experimentally demonstrate greater than C-band coherent transmission over a bandwidth of 9.6-THz using simple back-ward-pumped bismuth-doped fibre amplifiers in the O-band. The signal-to-noise ratio (SNR) of coherent dense wavelength-division-multiplexed signals is evaluated after one and three 4...

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Published in:Journal of lightwave technology 2024-02, Vol.42 (4), p.1203-1208
Main Authors: Elson, Daniel J., Wakayama, Yuta, Mikhailov, Vitaly, Luo, Jiawei, Yoshikane, Noboru, Inniss, Daryl, Tsuritani, Takehiro
Format: Article
Language:English
Subjects:
Amplifiers
Bandwidth
BDFA
Bismuth
Broadband
C band
Coherence
Coherent DWDM
Doped fibers
O-band
Optical attenuators
Optical fibers
Signal processing
Signal to noise ratio
Symbols
Wavelength division multiplexing
Wavelength measurement
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container_end_page 1208
container_issue 4
container_start_page 1203
container_title Journal of lightwave technology
container_volume 42
creator Elson, Daniel J.
Wakayama, Yuta
Mikhailov, Vitaly
Luo, Jiawei
Yoshikane, Noboru
Inniss, Daryl
Tsuritani, Takehiro
description We experimentally demonstrate greater than C-band coherent transmission over a bandwidth of 9.6-THz using simple back-ward-pumped bismuth-doped fibre amplifiers in the O-band. The signal-to-noise ratio (SNR) of coherent dense wavelength-division-multiplexed signals is evaluated after one and three 45-km spans of installed fibre at 30 and 40 GBd as a function of wavelength. The penalty at the zero-dispersion wavelength from nonlinear noise is measured and in the broadband transmission regime, the penalty is insignificant. The measured SNR is converted to achievable information rate, and the impact of the number of equaliser taps is evaluated, showing that chromatic dispersion compensation is not needed, demonstrating the potential for energy savings in receiver-side signal processing.
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source IEEE Electronic Library (IEL) Journals
subjects Amplifiers
Bandwidth
BDFA
Bismuth
Broadband
C band
Coherence
Coherent DWDM
Doped fibers
O-band
Optical attenuators
Optical fibers
Signal processing
Signal to noise ratio
Symbols
Wavelength division multiplexing
Wavelength measurement
title 9.6-THz Single Fibre Amplifier O-Band Coherent DWDM Transmission
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