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Published in 2017 at "Optics Communications"
DOI: 10.1016/j.optcom.2016.09.057
Abstract: Abstract A monolithically integrated four-channel directly modulated laser (DML) array working at the 1.3-μm band is demonstrated. The laser was manufactured by using the techniques of selective area growth (SAG) of the upper separate confinement…
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Keywords:
laser;
channel directly;
four channel;
modulated laser ... See more keywords
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Published in 2020 at "Optics Communications"
DOI: 10.1016/j.optcom.2020.126236
Abstract: Abstract We report the application of two widely tunable directly modulated distributed Bragg reflector (DBR) lasers to cover over 20 nm wavelength. 10 Gb/s data are transmitted up to 30 km distance at different wavelengths…
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Keywords:
directly modulated;
dbr lasers;
two directly;
wavelength range ... See more keywords
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Published in 2021 at "Optics Communications"
DOI: 10.1016/j.optcom.2020.126472
Abstract: Abstract The Kramers–Kronig (KK) receiver has been used for dispersion compensation in direct detection systems employing external-modulator-based transmitters. In this paper, we investigate the use of the KK receiver for dispersion compensation in a direct…
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Keywords:
modulated laser;
kronig receiver;
directly modulated;
laser ... See more keywords
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Published in 2017 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2017.2727687
Abstract: An extension of the conventional dual Schottky diode-based predistortion circuit (PDC) is proposed to linearize directly modulated radio over fiber (RoF) system. The main advantages of the proposed PDC are simple configuration, excellent distortion suppression,…
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Keywords:
system;
modulated radio;
fiber;
circuit ... See more keywords
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1
Published in 2017 at "IEEE Journal of Quantum Electronics"
DOI: 10.1109/jqe.2017.2730160
Abstract: 1.3- $\mu \text{m}$ high-speed directly modulated lasers (DMLs) based on high-order slotted surface gratings are proposed. The time-domain travelling-wave model combined with the 2-D scattering matrix method is employed for the analysis of the proposed…
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Keywords:
based high;
high order;
tex math;
directly modulated ... See more keywords
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Published in 2020 at "IEEE Photonics Technology Letters"
DOI: 10.1109/lpt.2020.2976569
Abstract: We report a high speed directly modulated widely tunable dual wavelength distributed feedback (DFB) laser for THz communication application. The wavelength separation between the two modes can be thermally tuned between 96 GHz and 1510…
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Keywords:
dual wavelength;
directly modulated;
thz communication;
wavelength ... See more keywords
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Published in 2018 at "Optics express"
DOI: 10.1364/oe.26.007022
Abstract: We report the first demonstration of direct modulation of InAs/GaAs quantum dot (QD) lasers grown on on-axis (001) Si substrate. A low threading dislocation density GaAs buffer layer enables us to grow a high quality…
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Keywords:
quantum dot;
epitaxially grown;
lasers epitaxially;
dot lasers ... See more keywords
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Published in 2022 at "Optics express"
DOI: 10.1364/oe.452284
Abstract: Frequency sweep operation of directly modulated optical negative feedback lasers is numerically and experimentally investigated for frequency-modulated continuous-wave (FMCW) light detection and ranging (LiDAR) with a high signal-to-noise ratio (SNR), particularly over a long range.…
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Keywords:
optical negative;
fmcw;
long range;
negative feedback ... See more keywords
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2
Published in 2022 at "Optics express"
DOI: 10.1364/oe.457603
Abstract: This paper describes the characterization of a novel directly modulated multi-section laser with a master-slave configuration. Amplitude and phase noise measurements show relative intensity noise values of around -150 dB/Hz and a 3-dB linewidth of…
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Keywords:
section laser;
transmission;
gbit pam4;
modulated multi ... See more keywords
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Published in 2019 at "Optics letters"
DOI: 10.1364/ol.44.000009
Abstract: Toward the realization of low-cost, long-, and extended-reach 400GbE data-center applications, the performance of pulse amplitude modulated (PAM) signals is studied using a state-of-the-art, high-performance 1.3-μm distributed feedback directly modulated laser, without any optical amplification…
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Keywords:
modulated laser;
pam;
pam transmissions;
directly modulated ... See more keywords
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Published in 2021 at "Photonics"
DOI: 10.3390/photonics8030084
Abstract: With the deployment of the fifth generation of mobile networks (5G), 25 and 100 Gb/s directly modulated lasers and modules will become the mainstream optical transmitters. A directly modulated InGaAlAs/InP distributed Bragg reflector (DBR) laser…
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Keywords:
modulated ingaalas;
data transmission;
directly modulated;
wavelength tuning ... See more keywords