Beyond 100G - high-capacity transport technologies for next generation optical core networks. - Johannes Karl Fischer; Markus Nölle; Lutz Molle; Carsten Schmidt-Langhorst; Jonas Hilt; Reinhold Ludwig; Colja Schubert (Future Network & Mobile Summit, 2012)

Elastic optical networks: The vision of the ICT project IDEALIST. - Marc Bohn; Antonio Napoli; Antonio D'Errico; Giuseppe Ferraris; Matthias Gunkel; Felipe Jiménez 001; Juan Pedro Fernández-Palacios; Patricia Layec; George Zervas; Norberto Amaya Gonzalez; Dimitra Simeonidou; Johannes Karl Fischer; et al. (Future Network & Mobile Summit, 2013)

Nonlinear transmission of 6PolSK-QPSK signals using coded modulation and digital back propagation. - Takahito Tanimura; Saleem Alreesh; Johannes Karl Fischer; Carsten Schmidt-Langhorst; Felix Frey; Christian Meuer; Robert Elschner; Lutz Molle; Colja Schubert (OFC/NFOEC, 2013)

Transmission of 512SP-QAM Nyquist-WDM signals. - Johannes Karl Fischer; Carsten Schmidt-Langhorst; Saleem Alreesh; Robert Elschner; Felix Frey; Pablo Wilke Berenguer; Lutz Molle; Markus Nolle; Colja Schubert (ECOC, 2014)

Efficient real-time implementation of a channelizer filter with a weighted overlap-add approach. - Felix Frey; Robert Elschner; Christoph Kottke; Colja Schubert; Johannes K. Fischer (ECOC, 2014)

On the next generation bandwidth variable transponders for future flexible optical systems. - Antonio Napoli; Markus Nölle; Danish Rafique; Johannes Karl Fischer; Bernhard Spinnler; Talha Rahman; Mahdi M. Mezghanni; Marc Bohn (EuCNC, 2014)

Nonlinear digital pre-distortion of transmitter components. - Pablo Wilke Berenguer; Talha Rahman; Antonio Napoli; Markus Nolle; Colja Schubert; Johannes Karl Fischer (ECOC, 2015)

Distributed 1-Tb/s all-optical aggregation capacity in 125-GHz optical bandwidth by frequency conversion in fiber. - Thomas Richter 004; Carsten Schmidt-Langhorst; Robert Elschner; Lutz Molle; Saleem Alreesh; Tomoyuki Kato; Takahito Tanimura; Shigeki Watanabe; Johannes Karl Fischer; Colja Schubert (ECOC, 2015)

IDEALIST data plane solutions for elastic optical networks. - Patricia Layec; Annachiara Dupas; Markus Nölle; Johannes Karl Fischer; Colja Schubert; Josep M. Fabrega; Michela Svaluto Moreolo; Nicola Sambo; Gianluca Meloni; Francesco Fresi; Antonio Napoli; Danish Rafique; et al. (EuCNC, 2015)

5 Gbit/s real-time processing using π/4-shift DQPSK for bidirectional radio-over-fibre system. - Kai Habel; Luz Fernandez del Rosal; Stefan Weide; Jonas Hilt; Volker Jungnickel; Robert Elschner; Colja Schubert; Felix Frey; Johannes Karl Fischer; Ronald Freund (ICTON, 2015)

Experimental investigation of a four-dimensional 256-ary lattice-based modulation format. - Tobias A. Eriksson; Saleem Alreesh; Carsten Schmidt-Langhorst; Felix Frey; Pablo Wilke Berenguer; Colja Schubert; Johannes K. Fischer; Peter A. Andrekson; Magnus Karlsson 001; Erik Agrell (OFC, 2015)

Investigation of CAZAC sequences for data-aided channel estimation considering nonlinear optical transmission. - Markus Nolle; Felix Frey; Robert Elschner; Carsten Schmidt-Langhorst; Johannes K. Fischer; Colja Schubert (OFC, 2015)

Experimental investigation of polar code performance for coherent UDWDM PONs. - Zifeng Wu; Johannes Karl Fischer; Berthold Lankl (OFC, 2015)

Next generation elastic optical networks: The vision of the European research project IDEALIST. - Antonio Napoli; Marc Bohn; Danish Rafique; Alexandros A. Stavdas; Nicola Sambo; Luca Potì; Markus Nölle; Johannes Karl Fischer; Emilio Riccardi; Annachiara Pagano; Andrea Di Giglio; Michela Svaluto Moreolo; et al. (IEEE Commun. Mag., 2015)

Next generation sliceable bandwidth variable transponders. - Nicola Sambo; Piero Castoldi; Antonio D'Errico; Emilio Riccardi; Annachiara Pagano; Michela Svaluto Moreolo; Josep M. Fabrega; Danish Rafique; Antonio Napoli; Silvano Frigerio; Emilio Hugues-Salas; Georgios Zervas; et al. (IEEE Commun. Mag., 2015)

The benefit of frequency-selective rate adaptation for optical wireless communications. - Pablo Wilke Berenguer; Volker Jungnickel; Johannes Karl Fischer (CSNDSP, 2016)

DAC-free ultra-low-power dual-polarization 64-QAM transmission with InP IQ segmented MZM module. - Alessandro Aimone; Iria Garcia Lopez; Saleem Alreesh; Pedro Rito; Tino Brast; V. Hohns; Gerrit Fiol; Marko Gruner; Johannes K. Fischer; Jörg Honecker; Andreas G. Steffan; Dietmar Kissinger; et al. (OFC, 2016)

112 Gb/s PDM-PAM4 Generation and 80 km Transmission Using a Novel Monolithically Integrated Dual-Polarization Electro-Absorption Modulator InP PIC. - Moritz Baier; Francisco M. Soares; Zhennan Zheng; Carsten Schmidt-Langhorst; Robert Elschner; Felix Frey; Marko Gruner; Johannes Karl Fischer; Colja Schubert; Martin Moehrle; Norbert Grote; Martin Schell (ECOC, 2017)

Distributed 8×6 MIMO Experiments for Optical Wireless Communications. - Pablo Wilke Berenguer; Dominic Schulz; Johannes Karl Fischer; Volker Jungnickel (ECOC, 2017)

Single-step Perturbation-based Nonlinearity Compensation of Intra- and Inter-Subcarrier Nonlinear Interference. - Felix Frey; Lutz Molle; Robert Emmerich; Colja Schubert; Johannes K. Fischer; Robert F. H. Fischer (ECOC, 2017)

Real-Time Optical Wireless Communication: Field-Trial in an Industrial Production Environment. - Pablo Wilke Berenguer; Peter Hellwig; Dominic Schulz; Jonas Hilt; Gerhard Kleinpeter; Johannes Karl Fischer; Volker Jungnickel (ECOC, 2018)

Improved Perturbation-Based Fiber Nonlinearity Compensation. - Felix Frey; Robert Emmerich; Colja Schubert; Johannes K. Fischer; Robert F. H. Fischer (ECOC, 2018)

Filterless Optical WDM Metro Networks Exploiting C+L Band. - Francesco Paolucci; Robert Emmerich; Francesco Fresi; Isaac Sackey; Luca Potì; Colja Schubert; Johannes K. Fischer; Filippo Cugini (ECOC, 2018)

Maximizing the Capacity of Installed Optical Fiber Infrastructure Via Wideband Transmission. - Johannes K. Fischer; Mattia Cantono; Vittorio Curri; Ralf-Peter Braun; Nelson Costa; João Pedro 001; Erwan Pincemin; Philippe Doare; Claude Le Bouëtté; Antonio Napoli (ICTON, 2018)

Improving Achievable Information Rates of 64-GBd PDM-64QAM by Nonlinear Transmitter Predistortion. - Robert Elschner; Robert Emmerich; Carsten Schmidt-Langhorst; Felix Frey; Pablo Wilke Berenguer; Johannes K. Fischer; Helmut Grießer; Danish Rafique; Jörg-Peter Elbers; Colja Schubert (OFC, 2018)

Optical Wireless MIMO Experiments in an Industrial Environment. - Pablo Wilke Berenguer; Dominic Schulz; Jonas Hilt; Peter Hellwig; Gerhard Kleinpeter; Johannes Karl Fischer; Volker Jungnickel (IEEE J. Sel. Areas Commun., 2018)

Upgrade Capacity Scenarios Enabled by Multi-band Optical Systems. - Alessio Ferrari 002; Antonio Napoli; Johannes K. Fischer; Nelson Costa; João Pedro 001; Nicola Sambo; Erwan Pincemin; Bernd Sommerkorn-Krombholz; Vittorio Curri (ICTON, 2019)

Photonics-Supported 5G Test Facilities for Low Latency Applications. - Behnam Shariati; Kai Habel; Volker Jungnickel; Johannes K. Fischer; Ronald Freund (ICTON, 2019)

Zero-Touch Provisioning of Distributed Video Analytics in a Software-Defined Metro-Haul Network with P4 Processing. - Bogdan-Mihai Andrus; Silviu Adrian Sasu; Thomas Szyrkowiec; Achim Autenrieth; Mohit Chamania; Johannes K. Fischer; Stephan Rasp (OFC, 2019)

OpenConfig Control of 100G/400G Filterless Metro Networks with configurable Modulation Format and FEC. - Francesco Paolucci; Andrea Sgambelluri; Robert Emmerich; Alessio Giorgetti; Piero Castoldi; Colja Schubert; Johannes Karl Fischer; Filippo Cugini (OFC, 2019)

On Discrete-Time/Frequency-Periodic End-to-End Fiber-Optical Channel Models. - Felix Frey; Johannes K. Fischer; Robert F. H. Fischer (CoRR, 2019)

An Autonomous Identification and Pre-distortion Scheme for Cognitive Transceivers using Bayesian Optimization. - Matheus Ribeiro Sena; M. Sezer Erkilinç; Thomas Dippon; Behnam Shariati; Robert Emmerich; Johannes K. Fischer; Ronald Freund (ECOC, 2020)

Demonstration of Federated Learning over Edge-Computing Enabled Metro Optical Networks. - Behnam Shariati; Pooyan Safari; Angela Mitrovska; Nazila Hashemi; Johannes Karl Fischer; Ronald Freund (ECOC, 2020)

Coded Modulation for Four-Dimensional Signal Constellations with Concatenated Non-Binary Forward Error Correction. - Sebastian Stern; Masoud Barakatain; Felix Frey; Johannes Pfeiffer; Johannes K. Fischer; Robert F. H. Fischer (ECOC, 2020)

Performance Evaluation of InP-Based DP-IQ Modulators for Multiband Transmission Systems. - Matheus Ribeiro Sena; Yaonian Cui; Gerrit Fiol; Behnam Shariati; Antonio Napoli; Johannes K. Fischer; Martin Schell; Ronald Freund (ICTON, 2020)

Metro-Haul Project Vertical Service Demo: Video Surveillance Real-Time Low-Latency Object Tracking. - Annika Dochhan; Johannes K. Fischer; Bodo Lent; Achim Autenrieth; Behnam Shariati; Pablo Wilke Berenguer; Jörg-Peter Elbers (OFC, 2020)

Capacity Limits of C+L Metro Transport Networks Exploiting Dual-Band Node Architectures. - Robert Emmerich; António Eira; Nelson Costa; Pablo Wilke Berenguer; Colja Schubert; Johannes Karl Fischer; João Pedro 001 (OFC, 2020)

Experimental Comparison of Fiber Nonlinearity Mitigation: Intra-Modal FWM versus Inter-Modal FWM. - Isaac Sackey; Carsten Schmidt-Langhorst; Colja Schubert; Johannes Karl Fischer; Ronald Freund (OFC, 2020)

Privacy-Preserving Distributed Learning Framework for 6G Telecom Ecosystems. - Pooyan Safari; Behnam Shariati; Johannes Karl Fischer (CoRR, 2020)

Disaggregated edge-enabled C+L-band filterless metro networks. - Francesco Paolucci; Robert Emmerich; António Eira; Nelson Costa; João Pedro 001; Pablo Wilke Berenguer; Colja Schubert; Johannes K. Fischer; Francesco Fresi; Andrea Sgambelluri; Filippo Cugini (JOCN, 2020)

Vertical Federated Learning for Privacy-Preserving ML Model Development in Partially Disaggregated Networks. - Nazila Hashemi; Pooyan Safari; Behnam Shariati; Johannes Karl Fischer (ECOC, 2021)

Impact of Wavelength-Dependent I/Q Imbalances of Standard C-Band Transceivers in Rate-Adaptive Multiband Systems. - Gabriele Di Rosa; Robert Emmerich; Matheus Ribeiro Sena; Johannes K. Fischer; Colja Schubert; André Richter (ECOC, 2021)

Secure Multi-Party Computation and Statistics Sharing for ML Model Training in Multi-domain Multi-vendor Networks. - Pooyan Safari; Behnam Shariati; Geronimo Bergk; Johannes Karl Fischer (ECOC, 2021)

Deep Convolutional Neural Network for Network-wide QoT Estimation. - Pooyan Safari; Behnam Shariati; Geronimo Bergk; Johannes Karl Fischer (OFC, 2021)

Evaluation of an Autonomous Digital Pre-distortion Scheme for Optical Multiband Systems. - Matheus Ribeiro Sena; Robert Emmerich; Behnam Shariati; Johannes K. Fischer; Ronald Freund (OFC, 2021)

A Latency-Aware Real-Time Video Surveillance Demo: Network Slicing for Improving Public Safety. - Behnam Shariati; Jose-Juan Pedreno-Manresa; Annika Dochhan; Abubakar Siddique Muqaddas; Ramon Casellas; Óscar González de Dios; Lourdes Luque Canto; Bodo Lent; Jorge E. López de Vergara; Sergio López-Buedo; Francisco Javier Moreno; Pablo Pavón 001; et al. (OFC, 2021)

Inter-Operator Machine Learning Model Trading over Acumos AI Federated Marketplace. - Behnam Shariati; Pooyan Safari; Geronimo Bergk; Felix Immanuel Oertel; Johannes Karl Fischer (OFC, 2021)

Edge Cloud based Visual Inspection for Automatic Quality Assurance in Production. - Pooyan Safari; Behnam Shariati; David Przewozny; Paul Chojecki; Johannes Karl Fischer; Ronald Freund; Axel Vick; Moritz Chemnitz (CSNDSP, 2022)

Traffic Monitoring and Analytics Framework for Optical Access Networks. - Behnam Shariati; Geronimo Bergk; Pooyan Safari; Mihail Balanici; Johannes K. Fischer; Ronald Freund (CSNDSP, 2022)

Link Tomography for Amplifier Gain Profile Estimation and Failure Detection in C+L-band Open Line Systems. - Matheus Ribeiro Sena; Robert Emmerich; Behnam Shariati; Johannes K. Fischer; Ronald Freund (OFC, 2022)

Interactive Visual Analytics Dashboard for the Paradigm of ML-assisted Autonomous Optical Networking. - Behnam Shariati; Wanda Baltzer; Geronimo Bergk; Pooyan Safari; Johannes Karl Fischer (OFC, 2022)

Demonstration of latency-aware 5G network slicing on optical metro networks. - Behnam Shariati; Luis Velasco 001; Jose-Juan Pedreno-Manresa; Annika Dochhan; Ramon Casellas; Abubakar Siddique Muqaddas; Óscar González de Dios; Lourdes Luque Canto; Bodo Lent; Jorge E. López de Vergara; Sergio López-Buedo; Francisco Javier Moreno; et al. (CoRR, 2022)

ML-assisted QoT estimation: a dataset collection and data visualization for dataset quality evaluation. - Geronimo Bergk; Behnam Shariati; Pooyan Safari; Johannes K. Fischer (JOCN, 2022)

Demonstration of latency-aware 5G network slicing on optical metro networks. - Behnam Shariati; Luis Velasco 001; Jose-Juan Pedreno-Manresa; Annika Dochhan; Ramon Casellas; Abubakar Siddique Muqaddas; Óscar González de Dios; Lourdes Luque Canto; Bodo Lent; Jorge E. López de Vergara; Sergio López-Buedo; Francisco-Javier Moreno-Muro; et al. (JOCN, 2022)

Ultrawideband Systems and Networks: Beyond C + L-Band. - Takeshi Hoshida; Vittorio Curri; Lídia Galdino; David T. Neilson; Wladek Forysiak; Johannes K. Fischer; Tomoyuki Kato; Pierluigi Poggiolini (Proc. IEEE, 2022)

Standardization of the 5th Generation Fixed Network for Enabling End-to-End Network Slicing and Quality-Assured Services. - Luca Pesando; Johannes K. Fischer; Behnam Shariati; Ronald Freund; Jose Cananao; Hongyu Li; Yi Lin; Olivier Ferveur; Ming Jiang; Jialiang Jin; David Hillerkuss; Marcus Brunner; et al. (IEEE Commun. Stand. Mag., 2022)

F5G OpenLab: Enabling Twin Transition through Ubiquitous Fiber Connectivity. - Mihail Balanici; Behnam Shariati; Pooyan Safari; Paul Chojecki; Moritz Chemnitz; David Przewozny; Johannes Karl Fischer; Ronald Freund (ICTON, 2023)

Distributed Architecture Supporting Intelligent Optical Measurement Aggregation and Streaming Event Telemetry. - Pol González; Ramon Casellas; Jose-Juan Pedreno-Manresa; Achim Autenrieth; Fabien Boitier; Behnam Shariati; Johannes K. Fischer; Marc Ruiz 001; Jaume Comellas; Luis Velasco 001 (OFC, 2023)

Experimental Demonstration of Optical Modulation Format Identification Using SOI-based Photonic Reservoir. - Guillermo von Hünefeld; Gregor Ronniger; Enes Seker; Rijil Thomas; Pooyan Safari; Isaac Sackey; Md Mahasin Khan; Stephan Suckow; Max Christian Lemme; David Stahl; Colja Schubert; Johannes Karl Fischer; et al. (OFC, 2023)

Demonstration of Data-Sovereign Telemetry Broker for Open and Disaggregated Optical Networks. - Haydar Qarawlus; Steffen Biehs; Behnam Shariati; José Juan Pedreño Manresa; Ayoub Bouchedoub; Hendrik Haße; Pooyan Safari; Achim Autenrieth; Johannes K. Fischer (OFC, 2023)

QoT Violation in Low-Margin Optical Networks. - Pooyan Safari; Behnam Shariati; Wanda Baltzer; Johannes Karl Fischer (OFC, 2023)

Telemetry Framework with Data Sovereignty Features. - Behnam Shariati; Haydar Qarawlus; Steffen Biehs; Jose-Juan Pedreno-Manresa; Pooyan Safari; Mihail Balanici; Ayoub Bouchedoub; Hendrik Haße; Achim Autenrieth; Johannes K. Fischer; Ronald Freund (OFC, 2023)

Federated Learning Governance using Eclipse Dataspace Components Connectors. - Angela Mitrovska; Marcel Fernandez Rosas; Pooyan Safari; Behnam Shariati; Johannes Karl Fischer; Ronald Freund (IEEE Big Data, 2024)

Autonomous Capacity Adjustment with Dynamic Margin Allocation for Optical Enterprise Links. - Mihail Balanici; Behnam Shariati; Pooyan Safari; Geronimo Bergk; Johannes Karl Fischer (OFC, 2024)

Live Demonstration of Autonomous Link-Capacity Adjustment in Optical Metro-Aggregation Networks. - Mihail Balanici; Pooyan Safari; Behnam Shariati; Aydin Jafari; Johannes Karl Fischer; Ronald Freund (OFC, 2024)

TAPI-based Telemetry Streaming in Multi-domain Optical Transport Network. - Vignesh Karunakaran; Carlos Natalino; Behnam Shariati; Piotr Lechowicz; Johannes Karl Fischer; Achim Autenrieth; Paolo Monti 001; Thomas Bauschert (OFC, 2024)

Analysis and Mitigation of Unwanted Biases in ML-based QoT Classification Tasks. - Carlos Natalino; Behnam Shariati; Pooyan Safari; Johannes Karl Fischer; Paolo Monti 001 (OFC, 2024)

Experimental dataset for developing and testing ML models in optical communication systems. - Caio Santos; Abdelrahmane Moawad; Behnam Shariati; Robert Emmerich; Pooyan Safari; Colja Schubert; Johannes K. Fischer (J. Opt. Commun. Netw., 2024)

Experimental Validation of Partitioned MIMO Equalizer with Low-Resolution Interface for Mitigation of Mode-Group Coupling in SDM Transmission over 3-Mode Fiber. - Nicolas Braig-Christophersen; Aymeric Arnould; Robert Elschner; Carsten Schmidt-Langhorst; Ruben S. Luis; Pamir Oezsuna; Kallyan Das; Juan L. Moreno Morrone; Robert Emmerich; Kazuhiko Aikawa; Hideaki Furukawa; Georg Rademacher; et al. (OFC, 2025)

Dynamic Adaptation of IP Virtual Network Topologies over Multi-Granular (Wavelength and Waveband) Optical Networks Supported by ETSI TeraFlowSDN multi-layer Control. - Lluis Gifre; Andrea Sgambelluri; Carlos Manso; M. Enrico; H. Zaid; Nicola Sambo; Waleed Akbar; Carsten Schmidt-Langhorst; F. Javier Vilchez; C. Schubert; Ricard Vilalta; Behnam Shariati; et al. (OFC, 2025)

International Testbed Data Sharing Framework with Data Sovereign Features for Network AI/ML Empowerment. - Yusuke Hirota; Sugang Xu; Angela Mitrovska; Yuki Yoshida; Pooyan Safari; Behnam Shariati; Johannes K. Fischer; Ronald Freund; Hideaki Furukawa; Kouichi Akahane; Yoshinari Awaji (OFC, 2025)

Live Demonstration of Modulation Format Identification Using a Photonic Neural Network. - Guillermo von Hünefeld; Mahdi Kaveh; Joseph Hopfmüller; Pooyan Safari; Enes Seker; Rijil Thomas; Mahtab Aghaeipour; David Stahl; Stephan Suckow; Max Christian Lemme; Johannes Karl Fischer; Colja Schubert; et al. (OFC, 2025)

Demonstration of End-to-End Cross-Border Service Provisioning and Monitoring Using TeraFlowSDN and Eclipse Dataspace Components Connectors. - Angela Mitrovska; Aydin Jafari; Behnam Shariati; Pooyan Safari; Vignesh Karunakaran; Achim Autenrieth; Johannes Karl Fischer; Ronald Freund (OFC, 2025)

Demonstration of a Programmable Node Prototype for Spatial Lane Switching and Band Switching. - Abdelrahmane Moawad; Robert Emmerich; Hussein Zaid; Caio Santos; Alessio Giorgetti; Roberto Morro; Colja Schubert; Behnam Shariati; Johannes Karl Fischer (OFC, 2025)

Autonomous Service Provisioning and Self-Healing in Multi-Band Multi-Domain IPoWDM Networks. - H. Zaid; Abdelrahmane Moawad; Behnam Shariati; Robert Emmerich; Alessio Giorgetti; Ramon Casellas; Carsten Schmidt-Langhorst; E. Fernandez; Pablo Pavón-Mariño; Filippo Cugini; Vignesh Karunakaran; Emilio Riccardi; et al. (OFC, 2025)

Multi-Agent Design for LLM-assisted Network Management. - Hussein Zaid; Pooyan Safari; Behnam Shariati; Aydin Jafari; Mihail Balanici; Johannes Karl Fischer (OFC, 2025)

Exploring the potential of longitudinal power monitoring for detecting physical-layer attacks [Invited]. - Matheus Ribeiro Sena; Abdelrahmane Moawad; Robert Emmerich; Behnam Shariati; Marc Geitz; Ralf-Peter Braun; Johannes K. Fischer; Ronald Freund (J. Opt. Commun. Netw., 2025)