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Low power all-digital radio-over-fiber transmission for 28-GHz band using parallel electro-absorption modulators

Jakob Declercq (UGent) , Haolin Li (UGent) , Joris Van Kerrebrouck (UGent) , Michiel Verplaetse (UGent) , Hannes Ramon, Laurens Bogaert (UGent) , Joris Lambrecht (UGent) , Chia-Yi Wu (UGent) , Laurens Breyne (UGent) , Olivier Caytan (UGent) , et al.
(2021) JOURNAL OF LIGHTWAVE TECHNOLOGY. 39(4). p.1125-1131
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  • ATTO (A new concept for ultra-high capacity wireless networks.)
Abstract
We present a low-power all-digital radio-over-fiber (RoF) transmitter for the 28 GHz band using sigma-delta modulation. Using a parallel electro-absorption modulator (EAM) structure, the radio signal upconversion is split between the electrical and the optical domains. This halves the maximum bandwidth requirement of the driver circuit with respect to conventional implementations. Furthermore, the effect of chromatic dispersion can be mitigated by tuning the optical phase and amplitude applied to the individual modulators, such that transmission notches are partially removed. The modulator structure is described using simplified models and verified in VPI TransmissionMaker. Experimental results using a 140 mW non-return-to-zero (NRZ) driver and parallel EAMs are provided and yield an error vector magnitude (EVM) of 7.6% (5.2%) when transporting a radio signal modulated at 28 GHz with 5.25 Gb/s (2.625 Gb/s) 64-QAM over 10 km standard single mode fiber (SSMF) at 1560 nm.
Keywords
Optical transmitters, Optical modulation, Frequency modulation, Chromatic dispersion, Sigma-delta modulation, Optical signal processing, Radio-over-fiber, chromatic dispersion, mmwave, parallel, electro-absorption modulator, sigma-delta modulation

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Citation

Please use this url to cite or link to this publication:

MLA
Declercq, Jakob, et al. “Low Power All-Digital Radio-over-Fiber Transmission for 28-GHz Band Using Parallel Electro-Absorption Modulators.” JOURNAL OF LIGHTWAVE TECHNOLOGY, vol. 39, no. 4, 2021, pp. 1125–31, doi:10.1109/JLT.2020.3029105.
APA
Declercq, J., Li, H., Van Kerrebrouck, J., Verplaetse, M., Ramon, H., Bogaert, L., … Torfs, G. (2021). Low power all-digital radio-over-fiber transmission for 28-GHz band using parallel electro-absorption modulators. JOURNAL OF LIGHTWAVE TECHNOLOGY, 39(4), 1125–1131. https://doi.org/10.1109/JLT.2020.3029105
Chicago author-date
Declercq, Jakob, Haolin Li, Joris Van Kerrebrouck, Michiel Verplaetse, Hannes Ramon, Laurens Bogaert, Joris Lambrecht, et al. 2021. “Low Power All-Digital Radio-over-Fiber Transmission for 28-GHz Band Using Parallel Electro-Absorption Modulators.” JOURNAL OF LIGHTWAVE TECHNOLOGY 39 (4): 1125–31. https://doi.org/10.1109/JLT.2020.3029105.
Chicago author-date (all authors)
Declercq, Jakob, Haolin Li, Joris Van Kerrebrouck, Michiel Verplaetse, Hannes Ramon, Laurens Bogaert, Joris Lambrecht, Chia-Yi Wu, Laurens Breyne, Olivier Caytan, Sam Lemey, Johan Bauwelinck, Xin Yin, Peter Ossieur, Piet Demeester, and Guy Torfs. 2021. “Low Power All-Digital Radio-over-Fiber Transmission for 28-GHz Band Using Parallel Electro-Absorption Modulators.” JOURNAL OF LIGHTWAVE TECHNOLOGY 39 (4): 1125–1131. doi:10.1109/JLT.2020.3029105.
Vancouver
1.
Declercq J, Li H, Van Kerrebrouck J, Verplaetse M, Ramon H, Bogaert L, et al. Low power all-digital radio-over-fiber transmission for 28-GHz band using parallel electro-absorption modulators. JOURNAL OF LIGHTWAVE TECHNOLOGY. 2021;39(4):1125–31.
IEEE
[1]
J. Declercq et al., “Low power all-digital radio-over-fiber transmission for 28-GHz band using parallel electro-absorption modulators,” JOURNAL OF LIGHTWAVE TECHNOLOGY, vol. 39, no. 4, pp. 1125–1131, 2021.
@article{8700411,
  abstract     = {{We present a low-power all-digital radio-over-fiber (RoF) transmitter for the 28 GHz band using sigma-delta modulation. Using a parallel electro-absorption modulator (EAM) structure, the radio signal upconversion is split between the electrical and the optical domains. This halves the maximum bandwidth requirement of the driver circuit with respect to conventional implementations. Furthermore, the effect of chromatic dispersion can be mitigated by tuning the optical phase and amplitude applied to the individual modulators, such that transmission notches are partially removed. The modulator structure is described using simplified models and verified in VPI TransmissionMaker. Experimental results using a 140 mW non-return-to-zero (NRZ) driver and parallel EAMs are provided and yield an error vector magnitude (EVM) of 7.6% (5.2%) when transporting a radio signal modulated at 28 GHz with 5.25 Gb/s (2.625 Gb/s) 64-QAM over 10 km standard single mode fiber (SSMF) at 1560 nm.}},
  author       = {{Declercq, Jakob and Li, Haolin and Van Kerrebrouck, Joris and Verplaetse, Michiel and Ramon, Hannes and Bogaert, Laurens and Lambrecht, Joris and Wu, Chia-Yi and Breyne, Laurens and Caytan, Olivier and Lemey, Sam and Bauwelinck, Johan and Yin, Xin and Ossieur, Peter and Demeester, Piet and Torfs, Guy}},
  issn         = {{0733-8724}},
  journal      = {{JOURNAL OF LIGHTWAVE TECHNOLOGY}},
  keywords     = {{Optical transmitters,Optical modulation,Frequency modulation,Chromatic dispersion,Sigma-delta modulation,Optical signal processing,Radio-over-fiber,chromatic dispersion,mmwave,parallel,electro-absorption modulator,sigma-delta modulation}},
  language     = {{eng}},
  location     = {{San Diego, CA}},
  number       = {{4}},
  pages        = {{1125--1131}},
  title        = {{Low power all-digital radio-over-fiber transmission for 28-GHz band using parallel electro-absorption modulators}},
  url          = {{http://dx.doi.org/10.1109/JLT.2020.3029105}},
  volume       = {{39}},
  year         = {{2021}},
}

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