Location History:
- Munich, DE (2006)
- Holzkirchen, DE (1996 - 2020)
Company Filing History:
15 out of 30,028 
15 out of 110 
6 out of 161 
Years Active: 1996-2020
Title: Innovations by Erich Gottwald: Pioneering Coherent Optical Receiver Testing
Introduction
Erich Gottwald, an esteemed inventor based in Holzkirchen, Germany, has made significant contributions to the field of optical technology. With an impressive portfolio of 44 patents, his work stands out, particularly in coherent optical receiver testing, where he introduces innovative methods and apparatuses to enhance performance measurements.
Latest Patents
Among his latest advancements is the development of a heterodyne apparatus and method for measuring performance parameters of a coherent optical receiver at RF frequencies. This invention allows for the precise analysis of two coherent lights that are launched into signal and local oscillator (LO) ports of a receiver, utilizing an optical frequency offset. One of the coherent lights is subjected to amplitude modulation at a test frequency, enabling the determination of various key performance parameters by comparing output frequency components. Notably, the invention also provides insights into the group delay variation (GDV) by comparing the phases of time-domain traces corresponding to different frequency components within the coherent optical receiver output signal.
Career Highlights
Erich Gottwald has had a prestigious career, with notable tenures at Siemens Aktiengesellschaft and Xieon Networks S.a.r.l. His work at these companies has revolved around advancing optical technologies, contributing to both theoretical and practical aspects of optical receiver systems.
Collaborations
Throughout his career, Gottwald has collaborated with prominent figures in the field, including Harald Rohde and Christoph Glingener. These partnerships have fostered innovative ideas and helped propel advancements in coherent optical technologies.
Conclusion
Erich Gottwald’s contributions to the field of optical receiver testing have paved the way for enhanced performance analysis methods. His extensive patent portfolio is a testament to his innovative spirit and dedication to the advancement of optical technology, ensuring that his work continues to influence the industry for years to come.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.