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4-level alternate-mark-inversion for reach extension in the O-band spectral region

4-level alternate-mark-inversion for reach extension in the O-band spectral region
4-level alternate-mark-inversion for reach extension in the O-band spectral region

Alternate-mark-inversion (AMI) has been used in the past to improve the transmission performance of binary intensity modulation formats. In this work, we improved the tolerance of O-band 4-level pulse amplitude modulation (PAM4) transmission to channel impairments through the adoption of an AMI scheme. Improvements in receiver sensitivity were shown in both semiconductor optical amplifier (SOA) and bismuth-doped fibre amplifier (BDFA) equipped links. We confirmed the capability of 4-level AMI to extend the reach in the O-band, which was achieved through the mitigation of nonlinear and dispersive effects. We experimentally demonstrated a 4.28-dB Q-factor improvement for transmission over 60 km of SMF-28e. To offer an insight to the mechanisms leading to the improved tolerance to transmission impairments, we presented numerical simulations that illustrate the underlying method of action of AMI4.

Alternate-mark-inversion, intensity-modulation direct-detection, O-band reach extension, optical fibre transmission
0733-8724
2847-2853
Taengnoi, Natsupa
afc5fb3e-224b-43b3-a161-931ed77faec1
Bottrill, Kyle R.H.
8c2e6c2d-9f14-424e-b779-43c23e2f49ac
Hong, Yang
73d5144c-02db-4977-b517-0d2f5a052807
Thipparapu, Naresh K.
a36a2b4c-b75c-4976-a753-b5fab9e54150
Lacava, Cosimo
a0a31a27-23ac-4a73-8bb4-2f02368fb8bd
Sahu, Jayanta K.
009f5fb3-6555-411a-9a0c-9a1b5a29ceb2
Richardson, David J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Petropoulos, Periklis
522b02cc-9f3f-468e-bca5-e9f58cc9cad7
Taengnoi, Natsupa
afc5fb3e-224b-43b3-a161-931ed77faec1
Bottrill, Kyle R.H.
8c2e6c2d-9f14-424e-b779-43c23e2f49ac
Hong, Yang
73d5144c-02db-4977-b517-0d2f5a052807
Thipparapu, Naresh K.
a36a2b4c-b75c-4976-a753-b5fab9e54150
Lacava, Cosimo
a0a31a27-23ac-4a73-8bb4-2f02368fb8bd
Sahu, Jayanta K.
009f5fb3-6555-411a-9a0c-9a1b5a29ceb2
Richardson, David J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Petropoulos, Periklis
522b02cc-9f3f-468e-bca5-e9f58cc9cad7

Taengnoi, Natsupa, Bottrill, Kyle R.H., Hong, Yang, Thipparapu, Naresh K., Lacava, Cosimo, Sahu, Jayanta K., Richardson, David J. and Petropoulos, Periklis (2021) 4-level alternate-mark-inversion for reach extension in the O-band spectral region. Journal of Lightwave Technology, 39 (9), 2847-2853, [9364679]. (doi:10.1109/JLT.2021.3062446).

Record type: Article

Abstract

Alternate-mark-inversion (AMI) has been used in the past to improve the transmission performance of binary intensity modulation formats. In this work, we improved the tolerance of O-band 4-level pulse amplitude modulation (PAM4) transmission to channel impairments through the adoption of an AMI scheme. Improvements in receiver sensitivity were shown in both semiconductor optical amplifier (SOA) and bismuth-doped fibre amplifier (BDFA) equipped links. We confirmed the capability of 4-level AMI to extend the reach in the O-band, which was achieved through the mitigation of nonlinear and dispersive effects. We experimentally demonstrated a 4.28-dB Q-factor improvement for transmission over 60 km of SMF-28e. To offer an insight to the mechanisms leading to the improved tolerance to transmission impairments, we presented numerical simulations that illustrate the underlying method of action of AMI4.

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More information

e-pub ahead of print date: 26 February 2021
Additional Information: This work was supported by the Engineering and Physical Sciences Research (EPSRC)—AirGuide Photonics under Grant EP/P030181/1 and PHOS under Grant EP/S002871/1. (Corresponding author: Natsupa Taengnoi.) Natsupa Taengnoi, Kyle R. H. Bottrill, Yang Hong, Naresh K. Thipparapu, Jayanta K. Sahu, David J. Richardson, and Periklis Petropoulos are with the Optoelectronics Research Centre, University of Southampton, Southampton SO17 1BJ, U.K.
Keywords: Alternate-mark-inversion, intensity-modulation direct-detection, O-band reach extension, optical fibre transmission
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Identifiers

Local EPrints ID: 471056
URI: http://eprints.soton.ac.uk/id/eprint/471056
DOI: doi:10.1109/JLT.2021.3062446
ISSN: 0733-8724
PURE UUID: 5a0b90ee-0c44-412d-a813-ef01b75f36ef
ORCID for Kyle R.H. Bottrill: ORCID iD orcid.org/0000-0002-9872-110X
ORCID for Naresh K. Thipparapu: ORCID iD orcid.org/0000-0002-5153-4737
ORCID for Cosimo Lacava: ORCID iD orcid.org/0000-0002-9950-8642
ORCID for Jayanta K. Sahu: ORCID iD orcid.org/0000-0003-3560-6152
ORCID for David J. Richardson: ORCID iD orcid.org/0000-0002-7751-1058
ORCID for Periklis Petropoulos: ORCID iD orcid.org/0000-0002-1576-8034

Catalogue record

Date deposited: 25 Oct 2022 16:35
Last modified: 18 Mar 2024 03:34

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Contributors

Author: Natsupa Taengnoi
Author: Kyle R.H. Bottrill ORCID iD
Author: Yang Hong
Author: Naresh K. Thipparapu ORCID iD
Author: Cosimo Lacava ORCID iD
Author: Jayanta K. Sahu ORCID iD
Author: David J. Richardson ORCID iD
Author: Periklis Petropoulos ORCID iD

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