Xavier Letartre

Title: Xavier Letartre: Innovator in Optical Frequency Control

Introduction

Xavier Letartre is a notable inventor based in Champagne au Mont d'Or, France. He has made significant contributions to the field of optical technology, holding two patents that showcase his innovative spirit and technical expertise.

Latest Patents

Letartre's latest patents include a "Device for controlling optical frequency" and a "Device with wavelength selective coupler for collecting light emitted by a laser source." The first patent describes a device that controls optical frequency around a central working frequency. This device features a vertical cavity formed by two parallel, partially reflecting walls and a membrane structured as a photonic crystal. The design allows for optical resonance at the central working wavelength, utilizing materials with nonlinear optical properties. The second patent focuses on a device that collects light emitted by a laser source through an optical waveguide, which is designed to recover optical modes circulating in the opposite direction of the desired signal output.

Career Highlights

Throughout his career, Letartre has worked with prestigious organizations such as the Centre National de la Recherche Scientifique and the Commissariat à l'Énergie Atomique et aux Énergies Alternatives. His work in these institutions has contributed to advancements in optical technologies and research.

Collaborations

Letartre has collaborated with notable colleagues, including Christian Seassal and Pierre Viktorovitch. These partnerships have likely enriched his research and development efforts in the field of optics.

Conclusion

Xavier Letartre is a distinguished inventor whose work in optical frequency control and light collection devices has made a significant impact in the field of optical technology. His patents reflect a deep understanding of photonic systems and innovative design.