Tregastel, France

Charles Vassallo

This inventor holds 1 USPTO granted patent. Top assignee: French State, Represented by the Minister of Post, Telecommunications. Active years: 1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Charles Vassallo. Retrieved from https://idiyas.com/inventor/charles-vassallo-ke0w7qjv

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 1992

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1 patent (USPTO):Explore Patents

Title: Charles Vassallo: Innovator in Laser Technology

Introduction

Charles Vassallo is a notable inventor based in Tregastel, France. He has made significant contributions to the field of optical technology, particularly with his innovative work on laser diodes. His expertise and inventions have paved the way for advancements in telecommunications and optical amplification.

Latest Patents

Vassallo holds a patent for a "Laser diode optical amplifier." This invention features a non-resonating laser diode optical amplifier that comprises a strip of optically active material forming an amplifying optical guide. The design includes a confinement sheath and is defined by antireflection coating layers. The strip has end portions with a thickness lesser than that of a central portion, which is selected to minimize the difference between the wavelengths corresponding to the reflectivity minima for the two inherent polarization states. The end portions are connected to the central portion by transition sections that have a progressively increasing thickness. This innovative design enhances the performance of laser diodes in various applications.

Career Highlights

Charles Vassallo is associated with the French State, represented by the Minister of Post and Telecommunications. His work in this capacity has allowed him to contribute to significant advancements in telecommunications technology. His dedication to research and development has established him as a key figure in the field.

Collaborations

Vassallo has collaborated with Jean-Claude Simon, a fellow innovator in the field. Their partnership has fostered the development of new technologies and has contributed to the advancement of optical systems.

Conclusion

Charles Vassallo's contributions to laser technology and telecommunications have made a lasting impact in the field. His innovative patent for a laser diode optical amplifier showcases his expertise and commitment to advancing optical technology. His work continues to influence the industry and inspire future innovations.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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