MZM Optimization of PAM-4 Transmission in Data Center Interconnect

An analog optimization of 4-level pulse amplitude modulation (PAM-4) signal is proposed, together with maximum likelihood sequence estimation digital signal processing. The proposed optimizations are verified by experimental demonstration at 53 Gbaud, indicating an improvement of 4⁻5 dB in...

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Main Authors: Eduard Sonkin, Dan Sadot, Gilad Katz
Format: Article
Language:English
Published: MDPI AG 2019-02-01
Series:Applied Sciences
Subjects:
Online Access:https://www.mdpi.com/2076-3417/9/4/637
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author Eduard Sonkin
Dan Sadot
Gilad Katz
author_facet Eduard Sonkin
Dan Sadot
Gilad Katz
author_sort Eduard Sonkin
collection DOAJ
description An analog optimization of 4-level pulse amplitude modulation (PAM-4) signal is proposed, together with maximum likelihood sequence estimation digital signal processing. The proposed optimizations are verified by experimental demonstration at 53 Gbaud, indicating an improvement of 4⁻5 dB in the optical signal to noise sensitivity.
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spelling doaj.art-f77802c8eeb143308ff1e3f37d3e13782022-12-22T02:58:48ZengMDPI AGApplied Sciences2076-34172019-02-019463710.3390/app9040637app9040637MZM Optimization of PAM-4 Transmission in Data Center InterconnectEduard Sonkin0Dan Sadot1Gilad Katz2Department of Electrical and Computer Engineering, Ben-Gurion University of the Negev, Ness Ziona 741402, IsraelDepartment of Electrical and Computer Engineering, Ben-Gurion University of the Negev, Ness Ziona 741402, IsraelThe Holon Institute of Technology, Holon 5810201, IsraelAn analog optimization of 4-level pulse amplitude modulation (PAM-4) signal is proposed, together with maximum likelihood sequence estimation digital signal processing. The proposed optimizations are verified by experimental demonstration at 53 Gbaud, indicating an improvement of 4⁻5 dB in the optical signal to noise sensitivity.https://www.mdpi.com/2076-3417/9/4/637fiber optic communicationmodulation formatdigital signal processing (DSP)PAM–4
spellingShingle Eduard Sonkin
Dan Sadot
Gilad Katz
MZM Optimization of PAM-4 Transmission in Data Center Interconnect
Applied Sciences
fiber optic communication
modulation format
digital signal processing (DSP)
PAM–4
title MZM Optimization of PAM-4 Transmission in Data Center Interconnect
title_full MZM Optimization of PAM-4 Transmission in Data Center Interconnect
title_fullStr MZM Optimization of PAM-4 Transmission in Data Center Interconnect
title_full_unstemmed MZM Optimization of PAM-4 Transmission in Data Center Interconnect
title_short MZM Optimization of PAM-4 Transmission in Data Center Interconnect
title_sort mzm optimization of pam 4 transmission in data center interconnect
topic fiber optic communication
modulation format
digital signal processing (DSP)
PAM–4
url https://www.mdpi.com/2076-3417/9/4/637
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