Citation
Adamiec, Pawel and Consoli Barone, Antonio and Garcia Tijero, Jose Manuel and Aguilera Navarro, Santiago and Esquivias Moscardo, Ignacio and Schwertfeger, Sven and Klehr, Andreas and Wenzel, Hans and Sumpf, Bernd and Erbert, Götz
(2013).
High data rate modulation of high power 1060-nm DBR tapered lasers with separate contacts.
"IEEE Photonics Technology Letters", v. 25
(n. 22);
pp. 2171-2173.
ISSN 1041-1135.
https://doi.org/10.1109/LPT.2013.2283198.
Abstract
Direct optical modulation at 2.5 Gb/s with amplitude of more than 0.5 W has been demonstrated in single longitudinal mode distributed Bragg reflector tapered lasers emitting at 1060 nm with separated injection of the ridge waveguide and tapered sections. The modulating signal of ~110 mA peak to peak was applied to the ridge waveguide section, yielding a high modulation efficiency of ~5 W/A. The large-signal frequency response of the experimental set-up was limited by the bandwidth of the electrical amplifier rather than by the internal dynamics of the laser, indicating that higher bit rates could be achieved with improved driving electronics.
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