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High-speed PAM4-based Optical SDM Interconnects with Directly Modulated Long-wavelength VCSEL

Kerrebrouck, Joris Van (författare)
Ghent University, Belgium,Univ Ghent, IMEC, IDLab, Dept Informat Technol, B-9000 Ghent, Belgium.
Pang, Xiaodan, Dr. (författare)
KTH,Optical Network Laboratory (ON Lab),KTH Royal Institute of Technology, Sweden
Ozolins, Oskars (författare)
RISE,Acreo,RISE Acreo AB, NETLAB, S-16425 Kista, Sweden.
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Lin, Rui (författare)
KTH,Optical Network Laboratory (ON Lab),Huazhong University of Science and Technology, China
Udalcovs, Aleksejs (författare)
RISE,Acreo,RISE Acreo AB, NETLAB, S-16425 Kista, Sweden.
Zhang, Lu (författare)
KTH,Optical Network Laboratory (ON Lab),Shanghai Jiao Tong University, China
Li, Haolin (författare)
Ghent University, Belgium,Univ Ghent, IMEC, IDLab, Dept Informat Technol, B-9000 Ghent, Belgium.
Spiga, Silvia (författare)
Technical University of Munich, Germany,Tech Univ Munich, Walter Schottky Inst, D-85748 Garching, Germany.
Amann, MC (författare)
Technical University of Munich, Germany,Tech Univ Munich, Walter Schottky Inst, D-85748 Garching, Germany.
Gan, Ling (författare)
Huazhong University of Science and Technology, China,Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Hubei, Peoples R China.
Tang, Ming (författare)
Huazhong University of Science and Technology, China,Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Hubei, Peoples R China.
Fu, Soignian (författare)
Huazhong University of Science and Technology, China,Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Hubei, Peoples R China.
Schatz, Richard, 1963- (författare)
KTH,Fotonik,KTH Royal Institute of Technology, Sweden
Jacobsen, Gunnar (författare)
RISE,Acreo,RISE Acreo AB, NETLAB, S-16425 Kista, Sweden.
Popov, Sergei (författare)
KTH,Fotonik,KTH Royal Institute of Technology, Sweden
Liu, Deming (författare)
Huazhong University of Science and Technology, China,Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Hubei, Peoples R China.
Tong, Weijun (författare)
YOFC Yangtze Optical Fibre and Cable, China,Yangtze Opt Fibre & Cable Co Ltd, Wuhan 430073, Hubei, Peoples R China.
Torfs, Guy (författare)
Ghent University, Belgium,Univ Ghent, IMEC, IDLab, Dept Informat Technol, B-9000 Ghent, Belgium.
Bauwelinck, Johan (författare)
Ghent University, Belgium,Univ Ghent, IMEC, IDLab, Dept Informat Technol, B-9000 Ghent, Belgium.
Chen, Jiajia (författare)
KTH,Optical Network Laboratory (ON Lab),KTH Royal Institute of Technology, Sweden
Yin, Xin (författare)
Ghent University, Belgium,Univ Ghent, IMEC, IDLab, Dept Informat Technol, B-9000 Ghent, Belgium.
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Ghent University, Belgium Univ Ghent, IMEC, IDLab, Dept Informat Technol, B-9000 Ghent, Belgium (creator_code:org_t)
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2019
2019
Engelska.
Ingår i: Journal of Lightwave Technology. - : IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC. - 0733-8724 .- 1558-2213. ; 37:2, s. 356-362
Relaterad länk:
https://urn.kb.se/re...
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https://doi.org/10.1...
https://urn.kb.se/re...
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  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
Stäng  
  • This paper reports the demonstration of high-speed PAM-4 transmission using a 1.5-μm single-mode vertical cavity surface emitting laser (SM-VCSEL) over multicore fiber with 7 cores over different distances. We have successfully generated up to 70 Gbaud 4-level pulse amplitude modulation (PAM-4) signals with a VCSEL in optical back-to-back, and transmitted 50 Gbaud PAM-4 signals over both 1-km dispersion-uncompensated and 10-km dispersion-compensated in each core, enabling a total data throughput of 700 Gbps over the 7-core fiber. Moreover, 56 Gbaud PAM-4 over 1-km has also been shown, whereby unfortunately not all cores provide the required 3.8 × 10$^-3$bit error rate (BER) for the 7% overhead-hard decision forward error correction (7% OH HDFEC). The limited bandwidth of the VCSEL and the adverse chromatic dispersion of the fiber are suppressed with pre-equalization based on accurate end-to-end channel characterizations. With a digital post-equalization, BER performance below the 7% OH-HDFEC limit is achieved over all cores. The demonstrated results show a great potential to realize high-capacity and compact short-reach optical interconnects for data centers.

Ämnesord

TEKNIK OCH TEKNOLOGIER  -- Elektroteknik och elektronik -- Telekommunikation (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Electrical Engineering, Electronic Engineering, Information Engineering -- Telecommunications (hsv//eng)

Nyckelord

Vertical cavity surface emitting lasers
Optical fibers
Optical modulation
Bandwidth
Optical variables measurement
Optical attenuators
Direct detection
digital signal processing (DSP)
multicore fiber (MCF)
4-level pulse amplitude modulation (PAM-4)
spatial division multiplexing (SDM)
vertical cavity surface emitting laser (VCSEL)

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