SC420 - Characterization of Components for Coherent Communication Systems
Sunday, 20 March
17:00 - 20:00
Short Course Level: Advanced beginner and Intermediate
Harald Rohde, Robert Palmer; Coriant, Germany
Short Course Description:
Coherent fiber optic communication systems have been widely used in the long haul networks for many years. As they enter the shorter reach network domains, more and more cost sensitive components are becoming available. Requirements differ significantly between components used in coherent systems and in systems using amplitude modulation with direct detection.
This short course provides an in-depth overview of the requirements of common components for coherent communication systems and presents measurement methods of key parameters. Specifically, this course will discuss main laser characteristics and their influence on coherent communication systems; different types of modulators and their suitability for coherent systems; and coherent receivers, their properties and their effects on the overall transmission performance. Main measurement techniques as well as their advantages and disadvantages will be discussed.
As many key properties can only be extracted from measured data by extensive signal processing, measurement methods and accompanying Matlab /Octave scripts will be demonstrated. The respective algorithms and sample Matlab / Octave code will also be provided.
Short Course Benefits:
The course enables the participants to understand the properties of key optical components for coherent communication systems. The participants will be able to measure those properties and to evaluate the results in the right context. They will gain a better understanding of component specifications and can specify components themselves.
Short Course Audience:
This course targets researchers and system designers who want to get a better insight into the depths of component properties and to understand the properties’ interdependencies.
Harald Rohde worked on simulation of photonic transmission systems since he joined Siemens in 2001 after receiving his PhD in physics. He started to develop and implement his own tools after years of frustration of using commercial simulation tools, which are insufficient for the special needs of the development of a coherent optical access system. Together with Erich Gottwald, he developed a very detailed simulation tool for the coherent system, which includes every effect and impairment the instructors could think of. Currently, he is working on the specification and verification of components for coherent optical communication systems. Together with Erich Gottwald, he received the Fiber to the Home Council Innovations Award 2011 for his work on Ultra Dense DWDM coherent access systems. He has more than 70 publications and holds more than 50 patents.
Robert Palmer received his Diploma degree in physics from the Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany. From 2010 to June 2014 he was a Research Associate at the Institute of Photonics and Quantum Electronics at the KIT, Karlsruhe, Germany, where he was working towards his Ph.D. degree in electrical engineering. In 2013, he received the Corning Outstanding Student Paper Award (first prize) at the Optical Fiber Communication Conference (OFC’13) and the ADVA Best Student Paper Award (first prize) at the European Conference on Optical Communication (ECOC’13) for his work on hybrid integration of Silicon Photonic integrated circuits with organic electro-optic materials. Since July 2014 he is Senior Lead Engineer at Coriant R&D GmbH, Munich, where he is responsible for performance estimation of coherent optical WDM systems and for the characterization of the required components. His research interests include integrated optics and coherent communication systems. He has more than 70 publications in scientific journals and conferences.