Company Filing History:
8 out of 1,012 
2 out of 14 
1 out of 14 Years Active: 2007-2025
Title: The Innovations of Pavel Cheben
Introduction
Pavel Cheben is a prominent inventor based in Ottawa, Canada, known for his significant contributions to the field of optical systems and waveguide technology. With a total of 10 patents to his name, Cheben has made remarkable advancements that enhance the efficiency and functionality of optical devices.
Latest Patents
One of Cheben's latest patents is the "Waveguide Antenna Device." This invention features an antenna device designed for off-chip light coupling, which includes an array of radiating elements. The thickness of these elements exceeds λ/2, and the length of the array is kept smaller than 10λ, where λ represents the wavelength of light in the chosen material. This innovative approach reduces the dependence of the off-chip emission angle on the wavelength of light by minimizing the number of radiating elements. Additionally, the use of thick radiating elements significantly enhances antenna efficiency, compensating for the reduced efficiency that arises from using fewer elements.
Another notable patent is the "Composite Subwavelength-Structured Waveguide in Optical Systems." This invention involves waveguide cores that consist of a subwavelength grating, allowing for the transmission of light without diffraction in a discontinuous manner. The energy is transferred through field hopping between subwavelength material segments of higher index. By utilizing alternating segments, Cheben's design enables the creation of waveguides with desired characteristics such as effective index, mode confinement factor, birefringence, and polarization-dependent loss.
Career Highlights
Throughout his career, Pavel Cheben has worked with esteemed organizations, including the National Research Council of Canada and Enablence Inc. His work has significantly impacted the development of optical technologies, making him a respected figure in the field.
Collaborations
Cheben has collaborated with notable colleagues such as Siegfried Janz and Dan-Xia Xu, contributing to various projects that advance optical research and innovation.
Conclusion
Pavel Cheben's contributions to optical systems and waveguide technology demonstrate his innovative spirit and dedication to advancing the field. His patents reflect a deep understanding of light transmission and efficiency, positioning him as a key inventor in modern optical 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.