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Published in 2019 at "Optical Fiber Technology"
DOI: 10.1016/j.yofte.2019.101957
Abstract: Abstract In this paper, transmission of beyond 100 Gbit/s eight-level pulse amplitude modulation (PAM-8) signal in O-band over 40-km single mode fiber (SMF) with 10-GHz class direct modulated laser (DML) was experimentally demonstrated. Receiver-side feed-forward equalizer…
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Keywords:
100 gbit;
band;
smf ghz;
pam signal ... See more keywords
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Published in 2020 at "Optical Fiber Technology"
DOI: 10.1016/j.yofte.2020.102332
Abstract: Abstract We propose a novel scheme of 8-ary pulse amplitude modulation (PAM-8) signal generation by a dual-polarization Mach-Zehnder modulator (DP-MZM) driven by binary data with different driving voltages without digital-to-analog converter (DAC). The transmission over…
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Keywords:
generate pam;
new scheme;
scheme;
pam signal ... See more keywords
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Published in 2020 at "Optical Fiber Technology"
DOI: 10.1016/j.yofte.2020.102360
Abstract: Abstract We propose a novel method of THz 4-ary pulse amplitude modulation (PAM-4) signal generation by a modulator driven by binary scheme with different driving voltages without a digital-to-analog converter (DAC). We experimentally demonstrate the…
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Keywords:
driven binary;
signal generation;
generation modulator;
pam signal ... See more keywords
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Published in 2020 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2019.2948096
Abstract: Directly modulated laser (DML) and direct detection (DD) based pulse-amplitude modulation (PAM) for short reach optical communications has attracted lots of research interests due to its low cost and simple configuration. However, the directly modulated…
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Keywords:
uncompensated link;
equalizer;
pam signal;
transmission ... See more keywords
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Published in 2021 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2020.3034381
Abstract: A bandwidth-efficient and low-cost spectral-null-filling scheme simultaneously delivering a 56-Gbps 4-level pulse amplitude modulation (PAM-4) digital signal and a 10 × 400-MHz analog radio frequency (RF) signal on a single wavelength is demonstrated for high-capacity…
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Keywords:
analog;
spectral null;
digital analog;
null filling ... See more keywords
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Published in 2017 at "Optical Engineering"
DOI: 10.1117/1.oe.56.10.106107
Abstract: Abstract. We propose and experimentally demonstrate four-level pulse-amplitude-modulation (PAM-4) signal delivery in a radio-over-fiber system for the first time. Over 8-Gbit/s PAM-4 signals have been transmitted over 20-km single-mode fiber-28 and 1-m wireless distance. The…
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Keywords:
fiber system;
fiber;
pam signal;
radio fiber ... See more keywords
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Published in 2017 at "Optics express"
DOI: 10.1364/oe.25.023003
Abstract: An analytic model is proposed to study the linearity performance of the silicon Mach-Zehnder optical modulator. According to the simulation results, we optimize the width of the silicon rib waveguide and the location of the…
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Keywords:
silicon mach;
zehnder optical;
mach zehnder;
pam signal ... See more keywords
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Published in 2018 at "Optics express"
DOI: 10.1364/oe.26.003087
Abstract: In this work, we propose an underwater wireless optical communication (UWOC) system using an arrayed transmitter/receiver and optical superimposition-based pulse amplitude modulation with 4 levels (PAM-4). At the transmitter side, we design a spatial summing…
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Keywords:
wireless optical;
optical superimposition;
superimposition based;
superimposition ... See more keywords
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Published in 2020 at "Optics letters"
DOI: 10.1364/ol.383085
Abstract: Exploring new frequency bands for optical transmission is essential to overcome the capacity crunch. The 2-µm band is becoming a research spotlight due to available broadband thulium-doped fiber amplifiers as well as low-latency, low-loss hollow-core…
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Keywords:
algaasoi nanowaveguide;
wavelength conversion;
conversion;
pam signal ... See more keywords