F
Franko Küppers
Researcher at Technische Universität Darmstadt
Publications - 165
Citations - 1364
Franko Küppers is an academic researcher from Technische Universität Darmstadt. The author has contributed to research in topics: Vertical-cavity surface-emitting laser & Terahertz radiation. The author has an hindex of 17, co-authored 164 publications receiving 1222 citations. Previous affiliations of Franko Küppers include Deutsche Telekom & University of Arizona.
Papers
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Proceedings ArticleDOI
Measurement of the maximum speed of PMD fluctuation in installed field fiber
Henning Bulow,W. Baumert,Harald Schmuck,F. Mohr,Timothy J. Schulz,Franko Küppers,Werner Weiershausen +6 more
TL;DR: In this paper, a polarization-mode dispersion (PMD) transient recorder setup was realized enabling for the first time to the knowledge the monitoring of fast PMD fluctuation with a bandwidth of up to 1 MHz.
Journal ArticleDOI
Surface micromachined tunable 1.55 μm-VCSEL with 102 nm continuous single-mode tuning.
Christian Gierl,T. Gruendl,Pierluigi Debernardi,Karolina Zogal,Christian Grasse,H. A. Davani,G. Böhm,Sandro Jatta,Franko Küppers,P. Meißner,Markus-Christian Amann +10 more
TL;DR: For the first time a vertical-cavity surface-emitting laser (VCSEL) with a single-mode wavelength-tuning over 102 nm in the range of 1550 nm is demonstrated.
Journal ArticleDOI
Optical clock recovery methods: Review (Invited)
TL;DR: In this article, the physical principles and classifications of various optical clock recovery methods developed during the last 20 years are reviewed and classified. But the authors focus on the optical signal processing methods.
Journal ArticleDOI
RZ versus NRZ modulation format for dispersion compensated SMF-based 10-Gb/s transmission with more than 100-km amplifier spacing
Christoph Caspar,H.-M. Foisel,A. Gladisch,Norbert Hanik,Franko Küppers,Reinhold Ludwig,A. Mattheus,W. Pieper,B. Strebel,H.G. Weber +9 more
TL;DR: In this paper, the transmission behavior of return-to-zero (RZ) and non-return-tozero (NRZ) modulated signals was compared numerically and experimentally.
Journal ArticleDOI
Symmetrical dispersion compensation for standard monomode-fiber-based communication systems with large amplifier spacing.
TL;DR: It is shown that pulse distortions that are due to Kerr nonlinearity are significantly diminished by symmetrical ordering of the compensation sections when the total number of precompensation and postcompensation sections is equal.