Company Filing History:
Years Active: 2003
Title: **Innovative Contributions of Sang-Wan Ryu in Semiconductor Lasers**
Introduction
Sang-Wan Ryu is a notable inventor based in Taejon, South Korea, recognized for his innovative contributions to the field of semiconductor lasers. With a singular patent to his name, Ryu's work exemplifies the intersection of technical mastery and practical application in laser technology.
Latest Patents
Ryu's patent, titled "Multi-wavelength Semiconductor Laser Array and Method for Fabricating the Same," presents a novel approach to manufacturing laser resonators through the use of -1-st order reflection peaks of a sampled grating. This method facilitates the economical production of multi-wavelength single-mode light source arrays. The patent details a multi-wavelength semiconductor laser array consisting of a substrate, multiple laser stripes arranged with a predetermined spacing, and a variety of asymmetric sampled gratings positioned under each active layer, which possess distinct sampling periods. Additionally, the invention includes effective refractive index changing layers that alter the Bragg wavelengths between the two sections of each laser stripe, enhancing the versatility and efficiency of the laser array.
Career Highlights
Sang-Wan Ryu is affiliated with the Electronics and Telecommunications Research Institute (ETRI), a prominent research organization in South Korea. His work at ETRI focuses on advancing telecommunications technologies, significantly impacting both the research and commercial sectors.
Collaborations
A notable collaborator of Ryu is Je Ha Kim, with whom he has worked closely on various projects within the semiconductor laser domain. This partnership highlights the significance of teamwork and collaboration in the advancement of technology and innovation.
Conclusion
Sang-Wan Ryu's contributions to the field of semiconductor lasers showcase his innovative spirit and dedication to advancing technology. His patent reflects a significant step forward in the economical fabrication of multi-wavelength laser arrays, underscoring the importance of such inventions in various applications. Ryu's work continues to inspire budding inventors and researchers in the ever-evolving field of telecommunications.
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.