Location History:
- Paris, FR (1978 - 1983)
- Igny, FR (1987)
Company Filing History:
4 out of 100 
1 out of 28 
1 out of 5 Years Active: 1978-1987
Title: **Gerald Roullet: A Pioneer in Optical Technology**
Introduction
Gerald Roullet is a distinguished inventor based in Paris, France, renowned for his significant contributions to the field of optical technology. With a total of six patents to his name, Roullet has demonstrated a commitment to advancing optical communication systems.
Latest Patents
Among his latest innovations are groundbreaking patents that address the challenges of optical wavelength multiplexing and power stabilization in fiber optic systems. One of his notable inventions is the "Bidirectional Optical Wavelength Multiplexer-Demultiplexer." This device features a self-focusing lens with an index gradient, positioned between the transmission fiber and filtering means, optimizing the spatial separation between outgoing wavelengths and the return wavelength. This innovation allows for effective decoupling of the return channel from the outgoing channels.
Another significant patent is the "Device for Stabilizing the Output Power of a Transmitter Module in an Optical Fiber Transmission System." This device includes a circuit that stabilizes the mean optical output power produced by a laser diode and another circuit to stabilize the amplitude of modulation. Together, these components enhance the reliability of optical communication systems.
Career Highlights
Gerald Roullet has held pivotal roles in renowned companies, including Thomson-Brandt and Lignes Télégraphiques et Téléphoniques. His work at these organizations has contributed to the development of advanced optical technologies, solidifying his reputation in the industry.
Collaborations
Throughout his career, Roullet has collaborated with notable figures in the field, including Jean-Pierre Bortuzzo and Roland Malissin. These partnerships have fostered innovation and propelled advancements in optical technologies.
Conclusion
Gerald Roullet’s contributions to optical technology through his patents and collaborative efforts exemplify his dedication to innovation. His work continues to influence the landscape of optical communication systems, making him a notable inventor in this vital area of technology.
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.