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Michael Eiselt

Also published under: Michael H. Eiselt, M. H. Eiselt, M. Eiselt

Publications
123
Citations
1,927
Publications by Year
19912023
Co-Authors:
Show All Co-Authors (246)
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Michael Eiselt

Also published under: Michael H. Eiselt, M. H. Eiselt, M. Eiselt

Affiliation

Advanced Technology
Adtran
Meiningen, Germany

Publication Topics

Biography

Michael Eiselt started his career in optical communications in 1989 and has worked for various companies and research organizations in Germany and the United States. As a director of Advanced Technology at ADVA Optical Networking, Germany, he is currently leading physical layer research for high-speed long-haul, data center interconnect, and access applications.(Based on document published on 3 August 2017).
Publications
123
Citations
1,927
Publications by Year
19912023
Co-Authors:
Show All Co-Authors (246)
Author's Published Works

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Fiber Optical Sensing Utilizing Correlation Techniques

Florian Azendorf;André Sandmann;Sander Jansen;Michael Eiselt

2023 IEEE Photonics Society Summer Topicals Meeting Series (SUM)
Year: 2023 | Conference Paper |
We review the application of correlation for fiber optical sensing using direct or coherent detection. The Correlation-OTDR with direct detection provides a group delay measurement resolution in the order of a few picoseconds, while coherent detection enables dynamic event evaluation by analyzing the phase information.Show More

Fiber Optical Sensing Utilizing Correlation Techniques

Florian Azendorf;André Sandmann;Sander Jansen;Michael Eiselt

Year: 2023 | Conference Paper |

Monitoring of Optical Networks Using Correlation-Aided Time-Domain Reflectometry with Direct and Coherent Detection

Michael H. Eiselt;Florian Azendorf;André Sandmann;Florian Spinty;Mirko Lawin

2023 Opto-Electronics and Communications Conference (OECC)
Year: 2023 | Conference Paper |
Cited by: Papers (2)
We report on methods to monitor the transmission path in optical networks using a correlation-based OTDR technique with direct and coherent detection. A high probing symbol rate can provide picosecond-accuracy of the fiber propagation delay, while a sensitive phase detection with a high repetition rate allows the monitoring of dynamic effects in the vicinity of the fiber. We discuss various approa...Show More

Monitoring of Optical Networks Using Correlation-Aided Time-Domain Reflectometry with Direct and Coherent Detection

Michael H. Eiselt;Florian Azendorf;André Sandmann;Florian Spinty;Mirko Lawin

Year: 2023 | Conference Paper |

Simultaneous Temperature and Acoustic Sensing with Coherent Correlation OTDR

André Sandmann;Florian Azendorf;Michael Eiselt

2023 Optical Fiber Communications Conference and Exhibition (OFC)
Year: 2023 | Conference Paper |
Cited by: Papers (3)
Superimposed temperature variations and dynamic strain applied through a 400 Hz acoustic signal on a 195 m single-mode fiber section are successfully measured using a coherent correlation optical time domain reflectometry as an interrogator.Show More

Simultaneous Temperature and Acoustic Sensing with Coherent Correlation OTDR

André Sandmann;Florian Azendorf;Michael Eiselt

Year: 2023 | Conference Paper |

Optical Amplifiers for Multi–Band Optical Transmission Systems

Lutz Rapp;Michael Eiselt

Journal of Lightwave Technology
Year: 2022 | Volume: 40, Issue: 6 | Journal Article |
Cited by: Papers (74)
Opening new wavelength bands is the most economic step for further increasing the capacity of optical transmission links. Characteristics of different amplifier technologies for signal amplification in different wavelength bands are detailed. In particular, the suitability of these technologies for short–term and mid–term implementation is considered. An important criterion is the availability of ...Show More

Optical Amplifiers for Multi–Band Optical Transmission Systems

Lutz Rapp;Michael Eiselt

Year: 2022 | Volume: 40, Issue: 6 | Journal Article |

Performance Impact of Signal Reflections in a Single–Fiber Bidirectional System

Lutz Rapp;Florian Azendorf;Michael Eiselt

IEEE Photonics Technology Letters
Year: 2021 | Volume: 33, Issue: 24 | Journal Article |
Cited by: Papers (2)
Single–fiber bidirectional transmission systems using the same wavelength for both directions suffer from reflection induced interference. Experimental results demonstrate the dependence of system performance and of the threshold of the forward error correction (FEC) on signal waveform variations induced by fiber effects. Larger signal distortions lead to slightly larger impact of the interference...Show More

Performance Impact of Signal Reflections in a Single–Fiber Bidirectional System

Lutz Rapp;Florian Azendorf;Michael Eiselt

Year: 2021 | Volume: 33, Issue: 24 | Journal Article |

Ultra-Wideband Amplification Strategies

Lutz Rapp;Michael Eiselt

2021 IEEE Photonics Society Summer Topicals Meeting Series (SUM)
Year: 2021 | Conference Paper |
Cited by: Papers (3)
Raman amplifiers and rare-earth doped fiber amplifiers are promising candidates for increasing the capacity of fiber optical links by opening up new wavelength ranges in the near future. These technologies are compared in different scenarios considering short-term and mid-term availability of qualified components.Show More

Ultra-Wideband Amplification Strategies

Lutz Rapp;Michael Eiselt

Year: 2021 | Conference Paper |

Hollow-core fiber Characterization with Correlation-Optical Time Domain Reflectometry

Florian Azendorf;Bernhard Schmauss;Bo Shi;Eric Numkam Fokoua;Radan Slavík;Michael Eiselt

2021 Optical Fiber Communications Conference and Exhibition (OFC)
Year: 2021 | Conference Paper |
Using a Correlation-OTDR, we characterized the temperature-induced group delay variations of two nested antiresonant nodeless hollow core fibers. The temperature sensitivity of both is substantially less than for SSMF with some dependency on coating type.Show More

Hollow-core fiber Characterization with Correlation-Optical Time Domain Reflectometry

Florian Azendorf;Bernhard Schmauss;Bo Shi;Eric Numkam Fokoua;Radan Slavík;Michael Eiselt

Year: 2021 | Conference Paper |

Optical Amplifiers for Wideband Optical Transmission Systems

Lutz Rapp;Michael Eiselt

2021 Optical Fiber Communications Conference and Exhibition (OFC)
Year: 2021 | Conference Paper |
Cited by: Papers (3)
Exploiting new wavelength bands for data transmission is the most economic step for further increasing the capacity of optical links. Important aspects of the most relevant amplifier technologies supporting this step are discussed.Show More

Optical Amplifiers for Wideband Optical Transmission Systems

Lutz Rapp;Michael Eiselt

Year: 2021 | Conference Paper |

Accurate Single-Ended Measurement of Propagation Delay in Fiber Using Correlation Optical Time Domain Reflectometry

Florian Azendorf;Annika Dochhan;Michael H. Eiselt

Journal of Lightwave Technology
Year: 2021 | Volume: 39, Issue: 18 | Journal Article |
Cited by: Papers (17)
A correlation optical time-domain reflectometry (C-OTDR) method is presented, which measures the propagation delay with an accuracy of a few picoseconds. This accuracy is achieved using a test signal data rate of 10 Gbit/s and employing cross-correlation and pulse fitting techniques. In this paper we introduce and evaluate the basic signal processing steps, investigate the measurement accuracy, an...Show More

Accurate Single-Ended Measurement of Propagation Delay in Fiber Using Correlation Optical Time Domain Reflectometry

Florian Azendorf;Annika Dochhan;Michael H. Eiselt

Year: 2021 | Volume: 39, Issue: 18 | Journal Article |

Reconfigurable Optical Networks with Self-Tunable Transceivers: Implementation Options and Control

Michael H. Eiselt

2020 European Conference on Optical Communications (ECOC)
Year: 2020 | Conference Paper |
This paper reviews methods for autonomous tuning of optical transceivers, based on an overhead management channel between the modules on both sides of the link. Different implementation options for the tuning principle, as well as for the tunable laser are introduced.Show More

Reconfigurable Optical Networks with Self-Tunable Transceivers: Implementation Options and Control

Michael H. Eiselt

Year: 2020 | Conference Paper |

Group Delay Measurements of Multicore Fibers with Correlation Optical Time Domain Reflectometry

Florian Azendorf;Annika Dochhan;Florian Spinty;Mirko Lawin;Bernhard Schmauss;Michael Eiselt

2020 22nd International Conference on Transparent Optical Networks (ICTON)
Year: 2020 | Conference Paper |
Cited by: Papers (4)
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). The results show that the propagation delay in the cores depends on the position of the core in the fiber and that the differential delay between the cores varies with temperature.Show More

Group Delay Measurements of Multicore Fibers with Correlation Optical Time Domain Reflectometry

Florian Azendorf;Annika Dochhan;Florian Spinty;Mirko Lawin;Bernhard Schmauss;Michael Eiselt

Year: 2020 | Conference Paper |

Advanced optical access technologies for next-generation (5G) mobile networks [Invited]

Jim Zou;Silviu Adrian Sasu;Mirko Lawin;Annika Dochhan;Jorg-Peter Elbers;Michael Eiselt

Journal of Optical Communications and Networking
Year: 2020 | Volume: 12, Issue: 10 | Journal Article |
Cited by: Papers (37)
Fixed optical transport is the predominant fronthaul technology for 4G mobile access networks, carrying the traffic between the central office and subtended antenna sites. With the new functional splits and related standards introduced in 5G, new capacity and quality-of-service requirements are imposed on optical transport. In this paper, we discuss low-cost high-capacity optical fronthaul solutio...Show More

Advanced optical access technologies for next-generation (5G) mobile networks [Invited]

Jim Zou;Silviu Adrian Sasu;Mirko Lawin;Annika Dochhan;Jorg-Peter Elbers;Michael Eiselt

Year: 2020 | Volume: 12, Issue: 10 | Journal Article |

Accurate Measurement of Propagation Delay in a Multi-Span Optical Link

Michael H. Eiselt;Florian Azendorf

2019 International Topical Meeting on Microwave Photonics (MWP)
Year: 2019 | Conference Paper |
Cited by: Papers (3) | Patents (1)
The principle of Correlation Optical Time Domain Reflectometry (C-OTDR) is proposed to accurately measure the propagation delay over a multi-span optical fiber link. The delay of the transmission fiber is measured in the reflective mode, while uni-directional node components are measured in a transmissive mode. Delimiting reflectors are required between the sections for accurate demarcation.Show More

Accurate Measurement of Propagation Delay in a Multi-Span Optical Link

Michael H. Eiselt;Florian Azendorf

Year: 2019 | Conference Paper |

Digitized Radio-over-Fiber Transceivers for SDM/WDM Back-/Front-Haul

J. M. Fabrega;R. Muñoz;M. Svaluto Moreolo;L. Nadal;M. Eiselt;F. Azendorf;J. P. Turkiewicz;P. W. L. van Dijk;S. Rommel;I. Tafur Monroy

2019 21st International Conference on Transparent Optical Networks (ICTON)
Year: 2019 | Conference Paper |
Cited by: Papers (2)
In this paper we analyze the perspective of digitized radio over fiber (DRoF) fronthaul, showing how to meet the requirements to cope with the future radio access networks (RANs). This entails the introduction of space division multiplexing (SDM) while increasing the flexibility and capacity of the DRoF transceivers.Since the evolution of the DRoF fronthaul is being revised and re-defined, in the ...Show More

Digitized Radio-over-Fiber Transceivers for SDM/WDM Back-/Front-Haul

J. M. Fabrega;R. Muñoz;M. Svaluto Moreolo;L. Nadal;M. Eiselt;F. Azendorf;J. P. Turkiewicz;P. W. L. van Dijk;S. Rommel;I. Tafur Monroy

Year: 2019 | Conference Paper |

Recent Trials of G.metro-Based Passive WDM Fronthaul in 5G Testbeds

Jim Zou;Michael Eiselt;Manuel Alfageme;Juan Agusti;Carles Teres;Paula Ciria;Raimena Veisllari;Mickael Fontaine;Jorg-Peter Elbers

2019 IEEE International Conference on Communications Workshops (ICC Workshops)
Year: 2019 | Conference Paper |
Cited by: Papers (7)
Over the past few years, the passive WDM technology has been proven to be a suitable and cost-effective solution in C-RAN environments to interconnect the central office and remote antenna sites, due to the future-proof bandwidth and greater utilization of fiber resources. The G.metro passive WDM allows single fiber working (SFW) operation by separating the up- and downstream into two wavelength w...Show More

Recent Trials of G.metro-Based Passive WDM Fronthaul in 5G Testbeds

Jim Zou;Michael Eiselt;Manuel Alfageme;Juan Agusti;Carles Teres;Paula Ciria;Raimena Veisllari;Mickael Fontaine;Jorg-Peter Elbers

Year: 2019 | Conference Paper |

Remote Wavelength Tracking of Strongly Chirped Tunable 10G MEMS-VCSEL for Port-Agnostic WDM Fronthaul

Jim Zou;Mohmmed Al Houri;Hung-Kai Chen;Michael Eiselt

2019 Optical Fiber Communications Conference and Exhibition (OFC)
Year: 2019 | Conference Paper |
Cited by: Papers (1)
We successfully demonstrated the centralized wavelength control in a passive port-agnostic WDM fronthaul system for tracking a remotely tunable MEMS-VCSEL transceiver, which exhibited strong chirp due to the low-frequency pilot tone modulation.Show More

Remote Wavelength Tracking of Strongly Chirped Tunable 10G MEMS-VCSEL for Port-Agnostic WDM Fronthaul

Jim Zou;Mohmmed Al Houri;Hung-Kai Chen;Michael Eiselt

Year: 2019 | Conference Paper |

Long-Term Latency Measurement of Deployed Fiber

Florian Azendorf;Annika Dochhan;Ralf-Peter Braun;Michael Eiselt

2019 Optical Fiber Communications Conference and Exhibition (OFC)
Year: 2019 | Conference Paper |
Cited by: Papers (1)
Using a Correlation-OTDR we measured the latency of fibers in a deployed cable and calculated the time coefficient of the fiber temperature changes. Annual temperature variations of 25K were estimated for the deployed fiber.Show More

Long-Term Latency Measurement of Deployed Fiber

Florian Azendorf;Annika Dochhan;Ralf-Peter Braun;Michael Eiselt

Year: 2019 | Conference Paper |

Photonic Integrated Circuits for Data Center Interconnects

Benjamin Wohlfeil;Gilda Raoof Mehrpoor;Annika Dochhan;Danish Rafique;Michael Eiselt;Jörg-Peter Elbers

2018 Photonics in Switching and Computing (PSC)
Year: 2018 | Conference Paper |
Cited by: Papers (4)
Next generation optical transceivers for data center interconnects are expected to feature bandwidths in excess of 400Gb/s, while exhibiting a smaller footprint, lower power consumption and lower cost per Gb/s compared to current generation 100Gb/s transceivers. To this end, new technologies such as photonic hybrid integration are explored within research and industry and standardization efforts a...Show More

Photonic Integrated Circuits for Data Center Interconnects

Benjamin Wohlfeil;Gilda Raoof Mehrpoor;Annika Dochhan;Danish Rafique;Michael Eiselt;Jörg-Peter Elbers

Year: 2018 | Conference Paper |

Single-Ended Fiber Latency Measurement with Picosecond-Accuracy Using Correlation OTDR

Michael H. Eiselt;Annika Dochhan

2018 23rd Opto-Electronics and Communications Conference (OECC)
Year: 2018 | Conference Paper |
Cited by: Papers (4)
Correlation OTDR with a bit rate of 10 Gbit/s is used to measure fiber latency with an accuracy of a few picoseconds. The concept is demonstrated measuring the chromatic dispersion of a 2.2-km fiber section.Show More

Single-Ended Fiber Latency Measurement with Picosecond-Accuracy Using Correlation OTDR

Michael H. Eiselt;Annika Dochhan

Year: 2018 | Conference Paper |

Data Center Interconnects at 400G and Beyond

Michael H. Eiselt;Annika Dochhan;Joerg-Peter Elbers

2018 23rd Opto-Electronics and Communications Conference (OECC)
Year: 2018 | Conference Paper |
Cited by: Papers (11)
Current trends in Data Center Interconnectivity are considered in the light of increasing traffic and under the constraint of limited cost and power consumption.Show More

Data Center Interconnects at 400G and Beyond

Michael H. Eiselt;Annika Dochhan;Joerg-Peter Elbers

Year: 2018 | Conference Paper |

Experimental Investigation of the Effect of Pilot Tone Modulation on Partial Response Modulation Formats

Peter Madsen;Anders T. Clausen;Annika Dochhan;Michael Eiselt

2018 European Conference on Optical Communication (ECOC)
Year: 2018 | Conference Paper |
This paper presents an experimental investigation of 8% pilot tone modulation depth is a system transmitting NRZ, PAM4 and Duobinary. The penalty from the pilot tone increases with signal amplitude levels and reaches a received power penalty of 3 dB.Show More

Experimental Investigation of the Effect of Pilot Tone Modulation on Partial Response Modulation Formats

Peter Madsen;Anders T. Clausen;Annika Dochhan;Michael Eiselt

Year: 2018 | Conference Paper |

PAM-4 and DMT for Inter-Data Center Connections and 5G Fronthaul Applications

Helmut Griesser;Nicklas Eiselt;Annika Dochhan;Michael Eiselt;Jörg-Peter Elbers

2018 20th International Conference on Transparent Optical Networks (ICTON)
Year: 2018 | Conference Paper |
Modulation formats with intensity modulation (IM) and direct detection (DD) are attractive due to the simple optical configuration, the low power consumption and a small footprint. We revisit the performance of 56 Gb/s and 112 Gb/s four-level multilevel intensity modulation (PAM-4) and discrete multitone transmission (DMT) for wavelength multiplexed high speed connections with distances up to 80 –...Show More

PAM-4 and DMT for Inter-Data Center Connections and 5G Fronthaul Applications

Helmut Griesser;Nicklas Eiselt;Annika Dochhan;Michael Eiselt;Jörg-Peter Elbers

Year: 2018 | Conference Paper |

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