Company Filing History:
1 out of 9,364 
1 out of 4 Years Active: 2002-2008
Title: Ruedeger Koehler: Innovator in Semiconductor Laser Technology
Introduction
Ruedeger Koehler is a prominent inventor based in Berlin, Germany, known for his contributions to semiconductor laser technology. With a total of two patents to his name, Koehler has made significant advancements in the field of photonics.
Latest Patents
Koehler's latest patents include a THz semiconductor laser incorporating a controlled plasmon confinement waveguide. This innovative semiconductor laser features an active region capable of producing stimulated emission of radiation in the far infrared region. The design includes a confinement region that effectively confines radiation within the active region, utilizing interfaces that support surface plasmon modes. Another notable patent is for an apparatus comprising a quantum cascade laser with improved distributed feedback for single-mode operation. This QC-DFB laser utilizes a grating structure that enhances the coupling of the guided mode to the grating, facilitating efficient single-mode operation even under continuous wave conditions.
Career Highlights
Throughout his career, Ruedeger Koehler has worked with notable companies such as Lucent Technologies Inc. and the National Institute for the Physics of Matter (INFM). His work has significantly impacted the development of advanced laser technologies.
Collaborations
Koehler has collaborated with esteemed colleagues, including Alessandro Tredicucci and Federico Capasso, further enhancing his contributions to the field of semiconductor lasers.
Conclusion
Ruedeger Koehler's innovative work in semiconductor laser technology has established him as a key figure in the field. His patents reflect a deep understanding of photonics and a commitment to advancing laser technology.