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Years Active: 2009-2018
Title: **Leonid Frenkel: A Pioneer in Tunable Optical Filters**
Introduction
Leonid Frenkel is a notable inventor based in Palo Alto, California, who has made significant contributions to the field of optical networks. With three patents to his name, his innovations are pivotal in enhancing optical communication systems.
Latest Patents
Frenkel's latest patent, the **Flat-top tunable filter**, describes a tunable photonic integrated circuit (PLC) optical filter that employs a sequence of thermally tunable Mach-Zehnder (MZ) interferometers. This intricate arrangement allows for a passband that targets specific frequencies while suppressing unwanted optical signals at different ITU frequencies, effectively improving transmission efficiency.
His other patent, **Characterizing a frequency channel in an optical network**, involves a tunable optical filter that can take precise point measurements of optical frequencies within a dense wavelength division multiplexing (DWDM) optical network. By measuring at strategically chosen frequencies and employing a known spectral shape, essential parameters such as the center optical frequency, modulation bandwidth, and total power can be derived from minimal optical measurements, simplifying channel monitoring and management.
Career Highlights
Leonid Frenkel has worked with prominent companies in the tech industry, including Texas Instruments Corporation and Lumentum Operations LLC. His experiences in these organizations have equipped him with extensive knowledge and expertise in optical engineering, paving the way for his inventive contributions.
Collaborations
Throughout his career, Frenkel has collaborated with esteemed colleagues like Barthelemy Fondeur and Jinxi Shen, sharing insights and fostering innovative solutions in the field of optical communication technology.
Conclusion
Leonid Frenkel's work in developing cutting-edge tunable optical filters showcases his commitment to advancing optical technology. His patents reflect not only his inventiveness but also his ability to collaborate effectively, positioning him as a significant contributor in the realm of innovations in optical networks.