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My Research History - from Materials to Devices with Prof. Takashi Matsuoka

11 September 2023

📢 Exciting news! Mark your calendars for the highly anticipated lecture on 12-09-2023 (this Tuesday) with the renowned Prof. Takashi Matsuoka. His pioneering work in optoelectronic materials has led to revolutionary changes in solid-state lighting and beyond🌍

🗓️ Date: 12-09-2023

🕙 Time: 9:30 - 11:00 AM

🏢 Venue: Ensemble3 Open Space, Building 8, Łukasiewicz - Institute of Microelectronics and Photonics

 

🎤 Dive into "My Research History - From Materials to Devices," a journey through Prof. Matsuoka's far-reaching research that spans more than 40 years and has culminated in innovations that have shaped modern optoelectronics. 🎓💡

 

📚 Prof. Matsuoka will present the development and impact of distributed feedback lasers (DFB-LDs) and the importance of nitride semiconductors in the field of optoelectronics

 

📚  Distributed feedback lasers (DFB-LDs)

 

Before the advent of DFB-LDs, one of the components of lasers was a Fabry-Perot type resonator with mirrors at both ends of the element. Using this resonator caused multiple standing waves to oscillate. On the other hand, DFB-LDs oscillate at a single wavelength. As a result, transmission capacity has been increased by a factor of 25,000 and transmission distance has been extended by an order of magnitude. I will talk about the technological development of this device fabrication.

 

📚 Nitride semiconductors

 

GaN is a representative nitride semiconductor. GaN is an ultraviolet luminescent material. Furthermore, GaN alone cannot be used to fabricate high-efficiency light-emitting devices. I‘d like to introduce my research progress until the realization of highly efficient light-emitting blue LEDs. We will also discuss transistors for 5G, and high power/high voltage transistors for motor drives of automobiles, which are in demand in the future.

 

Looking forward to seeing you all! 🤝📖