Yeong-Her Wang

Title: **Innovative Contributions of Yeong-Her Wang in Semiconductor Technology**

Introduction

Yeong-Her Wang, an accomplished inventor located in Scotch Plains, NJ, has made significant contributions to the field of semiconductor technology. With a total of two patents to his name, Wang has focused on enhancing the efficiency and performance of vertical cavity surface-emitting lasers.

Latest Patents

Wang's latest patents showcase his innovative approach to semiconductor lasers. The first patent, titled "Method for making a semiconductor laser," discloses a method for manufacturing vertical cavity surface-emitting lasers. The technique involves growing a distributed Bragg reflector on a gallium arsenide substrate with a unique tilt angle, which enhances reflectivity.

His second patent, "Vertical cavity surface emitting lasers with transparent electrodes," employs optically transparent and electrically conductive materials, such as cadmium tin oxide and indium tin oxide. This innovation enables vertical current injection and achieves continuous wave lasing at room temperature, demonstrating remarkable efficiency with low lasing threshold currents.

Career Highlights

Yeong-Her Wang has built his career at AT&T Bell Laboratories, a prominent research and development facility known for its pioneering work in telecommunications and electronic technologies. His role at the laboratory has allowed him to collaborate with leading experts in the field and contribute to groundbreaking innovations in semiconductor technology.

Collaborations

Wang has collaborated with esteemed colleagues such as Rose F Kopf and Henry M O'Bryan, Jr., which further highlights the collaborative spirit at AT&T Bell Laboratories. These partnerships have fostered an environment of innovation, yielding significant advancements in laser technology and semiconductor applications.

Conclusion

In conclusion, Yeong-Her Wang's contributions to semiconductor technology through his patents demonstrate his innovative mindset and commitment to advancing the field. His work on vertical cavity surface-emitting lasers not only showcases his technical expertise but also emphasizes the importance of collaboration in driving technological progress. Wang’s legacy continues to inspire future advancements in semiconductor technology.