no code implementations • 14 Mar 2024 • Hedieh Ajam, Vahid Jamali, Bernhard Schmauss, Robert Schober
The line-of-sight (LOS) requirement of free-space optical (FSO) systems can be relaxed by employing optical intelligent reflecting surfaces (IRSs).
no code implementations • 31 Jul 2021 • Hedieh Ajam, Marzieh Najafi, Vahid Jamali, Bernhard Schmauss, Robert Schober
Our simulation results validate the accuracy of the proposed analytical channel model for IRS-assisted FSO systems and confirm that this model is applicable for both large and intermediate IRS-receiver lens distances.
no code implementations • 13 May 2021 • Vahid Jamali, Hedieh Ajam, Marzieh Najafi, Bernhard Schmauss, Robert Schober, H. Vincent Poor
Free-space optical (FSO) systems are able to offer the high data-rate, secure, and cost-efficient communication links required for applications such as wireless front- and backhauling for 5G and 6G communication networks.
no code implementations • 26 Nov 2020 • Florian Azendorf, Annika Dochhan, Florian Spinty, Mirko Lawin, Bernhard Schmauss, Michael Eiselt
In this paper, we report on the integration of a Correlation-OTDR into a portable unit (30 cm x 30 cm), based on a multi-processor system on chip (MPSoC) and a small formfactor pluggable (SFP) 2. 5G transceiver.
no code implementations • 25 Nov 2020 • Florian Azendorf, Annika Dochhan, Bernhard Schmauss, Michael Eiselt
By means of C-OTDR (Correlation - Optical Time Domain Reflectometry), we measured the latency of100 km fiber with an accuracy of a few picoseconds.
no code implementations • 25 Nov 2020 • Florian Azendorf, Annika Dochhan, Florian Spinty, Mirko Lawin, Bernhard Schmauss, Michael Eiselt
Several multi-core fibers (MCF) were characterized using Correlation Optical Time Domain Reflectometry (C-OTDR) in terms of propagation delay and polarization mode dispersion (PMD).
no code implementations • 25 Nov 2020 • Florian Azendorf, Annika Dochhan, Krzysztof Wilczyński, Łukasz Szostkiewicz, Patryk Urban, Bernhard Schmauss, Francisco Javier Vilchez, Laia Nadal, Michela Svaluto Moreolo, Josep M. Fabrega, Michael Eiselt
Using a Correlation-OTDR and a modulation phase shift method we characterized four multi-core fibers.
no code implementations • 20 Nov 2020 • Florian Azendorf, Annika Dochhan, Jim Zou, Bernhard Schmauss, Michael Eiselt
We measured the latency of a 100 km fibre link using a Correlation OTDR.
no code implementations • 8 Jun 2020 • Gilda Raoof Mehrpoor, Carsten Schmidt-Langhorst, Benjamin Wohlfeil, Robert Elschner, Danish Rafique, Robert Emmerich, Annika Dochhan, Iria Lopez, Pedro Rito, Despoina Petousi, Dietmar Kissinger, Lars Zimmermann, Colja Schubert, Bernhard Schmauss, Michael Eiselt, Jörg-Peter Elbers
We demonstrate 64 GBd signal generation up to bipolar-8-ASK utilizing a single MZM, monolithically integrated with segmented drivers in SiGe.