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Linewidth investigation of monolithically integrated 40 GHz mode-locked laser diodes for high-speed RZ-DQPSK transmission

: Hüttl, B.; Hu, H.; Ludwig, R.; Kaiser, R.; Schmidt-Langhorst, C.; Steffan, A.G.; Schubert, C.


Institute of Electrical and Electronics Engineers -IEEE-:
34th European Conference on Optical Communication, ECOC 2008 : Brussels, Belgium, 21-25 September 2008
Piscataway, NJ: IEEE, 2008
ISBN: 978-1-4244-2227-2
ISBN: 978-1-4244-3629-3
ISBN: 978-1-4244-2228-9
2 pp.
European Conference on Optical Communication (ECOC) <34, 2008, Brussels>
Conference Paper
Fraunhofer HHI ()

The linewidth of an improved 40 GHz modelocked laser diode is investigated. The influence of its operation parameters on linewidth and the resulting performance in a 40Gband-DQPSK system is evaluated.