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Nonlinearity-aware 200 Gbit/s DMT transmission for C-band short-reach optical interconnects with a single packaged electro-absorption modulated laser

Zhang, Lu (author)
KTH,Skolan för informations- och kommunikationsteknik (ICT),State Key Laboratory of Advanced Optical Communication System and Networks, Shanghai Jiao Tong University, Shanghai 200240, China
Hong, Xuezhi (author)
KTH,Skolan för informations- och kommunikationsteknik (ICT),MOE International Laboratory for Optical Information Technologies, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, China
Pang, Xiaodan, Dr. (author)
KTH,RISE,Acreo,KTH Royal Institute of Technology, Sweden,Skolan för informations- och kommunikationsteknik (ICT),Networking and Transmission Laboratory, RISE Acreo AB, Kista 16425, Sweden
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Ozolins, Oskars (author)
RISE,Acreo
Udalcovs, Aleksejs (author)
RISE,Acreo
Schatz, Richard, 1963- (author)
KTH,Optik och Fotonik, OFO
Guo, Changjian (author)
South China Normal University, China
Zhang, Junwei (author)
South China Normal University, China
Nordwall, Fredrik (author)
Tektronix AB, Sweden
Engenhardt, Klaus M. (author)
Tektronix GmbH, Germany
Westergren, Urban (author)
KTH,Optik och Fotonik, OFO
Popov, Sergei (author)
KTH,Optik och Fotonik, OFO
Jacobsen, Gunnar (author)
RISE,Acreo
Xiao, Shilin (author)
Shanghai Jiao Tong University, China
Hu, Weisheng (author)
Shanghai Jiao Tong University, China
Chen, Jiajia (author)
KTH,Optical Network Laboratory (ON Lab),MOE International Laboratory for Optical Information Technologies, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, China
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 (creator_code:org_t)
OPTICAL SOC AMER, 2018
2018
English.
In: Optics Letters. - : OPTICAL SOC AMER. - 0146-9592 .- 1539-4794. ; 43:2, s. 182-185
Related links:
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https://doi.org/10.1...
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • We experimentally demonstrate the transmission of a 200 Gbit/s discrete multitone (DMT) at the soft forward error correction limit in an intensity-modulation direct-detection system with a single C-band packaged distributed feedback laser and traveling-wave electro absorption modulator (DFB-TWEAM), digital-to-analog converter and photodiode. The bit-power loaded DMT signal is transmitted over 1.6 km standard single-mode fiber with a net rate of 166.7 Gbit/s, achieving an effective electrical spectrum efficiency of 4.93 bit/s/Hz. Meanwhile, net rates of 174.2 Gbit/s and 179.5 Gbit/s are also demonstrated over 0.8 km SSMF and in an optical back-to-back case, respectively. The feature of the packaged DFB-TWEAM is presented. The nonlinearity-aware digital signal processing algorithm for channel equalization is mathematically described, which improves the signal-to-noise ratio up to 3.5 dB.

Subject headings

NATURVETENSKAP  -- Fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences (hsv//eng)

Keyword

Digital signal processing
Distributed feedback lasers
Error correction
Optical communication
Optical signal processing
Signal processing
Signal to noise ratio
Single mode fibers
Channel equalization
Digital signal processing algorithms
Discrete multi-tone
Electrical spectra
Electro-absorption modulated laser
Intensity modulation direct detection
Standard single mode fibers
Traveling-wave electro-absorption modulators
Digital to analog conversion

Publication and Content Type

ref (subject category)
art (subject category)

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