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Nonlinearity tolerant high-speed DMT transmission with 1.5-mu m single-mode VCSEL and multi-core fibers for optical interconnects

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Abstract
We experimentally demonstrate the generation of 107-Gbit/s net-rate optical discrete multitone signal using a 1.5-mu m single-mode vertical cavity surface emitting laser (VCSEL) with modulation bandwidth of 22 GHz. Utilizing a nonlinearity-tolerant channel equalization algorithm for digital signal processing, total net-rates of 726.6-Gbit/s over 2.5-km dispersion-uncompensated 7-core fiber and 533.1-Gbit/s over 10-km dispersion-compensated 7-core fiber below 7% overhead hard-decision forward error correction limit have been experimentally achieved with a 1.5-mu m VCSEL-based intensity-modulation direct-detection system. The features of the 1.5-mu m single-mode VCSEL, 2.5-km/10km multi-core fibers, and fan-in/fan-out modules are presented. Besides, the Volterra series-based nonlinearity-tolerant channel equalization algorithm, which improves the signal-to-noise ratio with more than 5 dB, is mathematically described and experimentally validated. The results have demonstrated that 1.5-mu m single-mode VCSEL and multi-core-fiber-based transmission can be a promising candidate to solve the capacity challenges in short-reach optical interconnects.
Keywords
Digital signal processing (DSP), discrete multitone (DMT), multi-core, fiber (MCF), nonlinearity-tolerant channel equalization, vertical cavity, surface emitting laser (VCSEL), Volterra series model

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Citation

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MLA
Zhang, Lu et al. “Nonlinearity Tolerant High-speed DMT Transmission with 1.5-mu m Single-mode VCSEL and Multi-core Fibers for Optical Interconnects.” JOURNAL OF LIGHTWAVE TECHNOLOGY 37.2 (2019): 380–388. Print.
APA
Zhang, L., Van Kerrebrouck, J., Lin, R., Pang, X., Udalcovs, A., Ozolins, O., Spiga, S., et al. (2019). Nonlinearity tolerant high-speed DMT transmission with 1.5-mu m single-mode VCSEL and multi-core fibers for optical interconnects. JOURNAL OF LIGHTWAVE TECHNOLOGY, 37(2), 380–388. Presented at the Optical Fiber Communications Conference and Exposition (OFC).
Chicago author-date
Zhang, Lu, Joris Van Kerrebrouck, Rui Lin, Xiaodan Pang, Aleksejs Udalcovs, Oskars Ozolins, Silvia Spiga, et al. 2019. “Nonlinearity Tolerant High-speed DMT Transmission with 1.5-mu m Single-mode VCSEL and Multi-core Fibers for Optical Interconnects.” Journal of Lightwave Technology 37 (2): 380–388.
Chicago author-date (all authors)
Zhang, Lu, Joris Van Kerrebrouck, Rui Lin, Xiaodan Pang, Aleksejs Udalcovs, Oskars Ozolins, Silvia Spiga, Markus-Christian Amann, Geert Van Steenberge, Lin Gan, Ming Tang, Songnian Fu, Richard Schatz, Sergei Popov, Deming Liu, Weijun Tong, Shilin Xiao, Guy Torfs, Jiajia Chen, Johan Bauwelinck, and Xin Yin. 2019. “Nonlinearity Tolerant High-speed DMT Transmission with 1.5-mu m Single-mode VCSEL and Multi-core Fibers for Optical Interconnects.” Journal of Lightwave Technology 37 (2): 380–388.
Vancouver
1.
Zhang L, Van Kerrebrouck J, Lin R, Pang X, Udalcovs A, Ozolins O, et al. Nonlinearity tolerant high-speed DMT transmission with 1.5-mu m single-mode VCSEL and multi-core fibers for optical interconnects. JOURNAL OF LIGHTWAVE TECHNOLOGY. Piscataway: Ieee-inst Electrical Electronics Engineers Inc; 2019;37(2):380–8.
IEEE
[1]
L. Zhang et al., “Nonlinearity tolerant high-speed DMT transmission with 1.5-mu m single-mode VCSEL and multi-core fibers for optical interconnects,” JOURNAL OF LIGHTWAVE TECHNOLOGY, vol. 37, no. 2, pp. 380–388, 2019.
@article{8607524,
  abstract     = {We experimentally demonstrate the generation of 107-Gbit/s net-rate optical discrete multitone signal using a 1.5-mu m single-mode vertical cavity surface emitting laser (VCSEL) with modulation bandwidth of 22 GHz. Utilizing a nonlinearity-tolerant channel equalization algorithm for digital signal processing, total net-rates of 726.6-Gbit/s over 2.5-km dispersion-uncompensated 7-core fiber and 533.1-Gbit/s over 10-km dispersion-compensated 7-core fiber below 7% overhead hard-decision forward error correction limit have been experimentally achieved with a 1.5-mu m VCSEL-based intensity-modulation direct-detection system. The features of the 1.5-mu m single-mode VCSEL, 2.5-km/10km multi-core fibers, and fan-in/fan-out modules are presented. Besides, the Volterra series-based nonlinearity-tolerant channel equalization algorithm, which improves the signal-to-noise ratio with more than 5 dB, is mathematically described and experimentally validated. The results have demonstrated that 1.5-mu m single-mode VCSEL and multi-core-fiber-based transmission can be a promising candidate to solve the capacity challenges in short-reach optical interconnects.},
  author       = {Zhang, Lu and Van Kerrebrouck, Joris and Lin, Rui and Pang, Xiaodan and Udalcovs, Aleksejs and Ozolins, Oskars and Spiga, Silvia and Amann, Markus-Christian and Van Steenberge, Geert and Gan, Lin and Tang, Ming and Fu, Songnian and Schatz, Richard and Popov, Sergei and Liu, Deming and Tong, Weijun and Xiao, Shilin and Torfs, Guy and Chen, Jiajia and Bauwelinck, Johan and Yin, Xin},
  issn         = {0733-8724},
  journal      = {JOURNAL OF LIGHTWAVE TECHNOLOGY},
  keywords     = {Digital signal processing (DSP),discrete multitone (DMT),multi-core,fiber (MCF),nonlinearity-tolerant channel equalization,vertical cavity,surface emitting laser (VCSEL),Volterra series model},
  language     = {eng},
  location     = {San Diego, CA},
  number       = {2},
  pages        = {380--388},
  publisher    = {Ieee-inst Electrical Electronics Engineers Inc},
  title        = {Nonlinearity tolerant high-speed DMT transmission with 1.5-mu m single-mode VCSEL and multi-core fibers for optical interconnects},
  url          = {http://dx.doi.org/10.1109/JLT.2018.2851746},
  volume       = {37},
  year         = {2019},
}

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