Multilevel modulation at 100 gbaud for short reach C-band links

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Ozolins, OskarsKTH,RISE,Acreo,KTH Royal Institute of Technology, Sweden,Fotonik (author)

Multilevel modulation at 100 gbaud for short reach C-band links

Article/chapterEnglish2019

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IEEE Computer Society,2019
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LIBRIS-ID:oai:DiVA.org:ri-40528
https://urn.kb.se/resolve?urn=urn:nbn:se:ri:diva-40528URI
https://doi.org/10.1109/ICTON.2019.8840340DOI
https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-268411URI

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Language:English
Summary in:English

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Subject category:kon swepub-publicationtype

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Funding details: Vetenskapsrådet, VR, 2016-04510; Funding details: 752826, 2017-01559; Funding text 1: This work is supported by the Swedish Research Council (VR) projects 2016-04510 “PHASE”, EU H2020 MCSA-IF Project NEWMAN (#752826), and the Vinnova funded Celtic Plus sub-project C2015/3-5 SENDATE-FICUS and Vinnova funded 2017-01559 “Utvecklingscentrum för mjukvarustyrda optiska accessnät”. The Knut and Alice Wallenberg is acknowledged for equipment funding as well as Tektronix and Keysight Technologies for equipment loan.
QC 20200427
Datacenters experience an enormous traffic growth due to the vast amount of data to be stored, transmitted and processed [1]-[4]. Technical and economic challenges arise to keep up the bandwidth scalability. Therefore, cost-efficient short reach optical interconnects for 400 GbE intra-datacenter links are critical. Attractive solutions are proposed based on eight optical lanes thanks to compatibility with 100 GbE building blocks, where two optical lanes based 100 GbE solution is already being deployed [4]. Solutions for 400 GbE based on four optical lanes or even two optical lanes using high bandwidth components may be more attractive to reduce cost, power consumption and complexity of parallelism [5], [6]. In this talk, we report on several experimental demonstrations for short reach optical interconnects in C-band. We experimentally evaluate high-speed on-off keying (OOK) and 4-level pulse amplitude modulation (PAM4) and 8-level PAM8 transmitter performance in C-band for short reach optical interconnects. We demonstrate 100 Gbaud PAM4 transmission over 400 meters long standard single mode fiber without optical amplification. We also show results of numerical simulations showing achievable transmission reach in C-band for multilevel modulation at 100 Gbaud over standard single mode fiber with simple decision feedback equalizer. This paves the way for cost-effective short reach optical interconnects with multilevel modulation at 100 Gbaud and higher.

Subject headings and genre

TEKNIK OCH TEKNOLOGIER Elektroteknik och elektronik hsv//swe
ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering hsv//eng
Bandwidth
Cost effectiveness
Decision feedback equalizers
Fiber optic networks
Modulation
Optical interconnects
Optical signal processing
Pulse amplitude modulation
Single mode fibers
Attractive solutions
Bandwidth scalability
Building blockes
Economic challenges
Experimental demonstrations
Multilevel modulation
Optical amplifications
Standard single mode fibers
Transparent optical networks

Added entries (persons, corporate bodies, meetings, titles ...)

Pang, Xiaodan,Dr.RISE,Acreo,KTH Royal Institute of Technology, Sweden(Swepub:ri)xiaodanpa@ri.se (author)
Udalcovs, AleksejsRISE,Acreo(Swepub:ri)aleksejs.udalcovs@ri.se (author)
Zhang, LuKTH Royal Institute of Technology, Sweden (author)
Schatz, RichardKTH Royal Institute of Technology, Sweden (author)
Westergren, UrbanKTH Royal Institute of Technology, Sweden (author)
Jacobsen, GunnarRISE,Acreo (author)
Chen, JiajiaKTH Royal Institute of Technology, Sweden (author)
Popov, SergeiKTH,Fotonik,KTH Royal Institute of Technology, Sweden(Swepub:kth)u1fs8je2 (author)
RISEAcreo (creator_code:org_t)

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In:International Conference on Transparent Optical Networks: IEEE Computer Society9781728127798

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