MIOMD-XI Speakers    
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1.  Mr. Mohammad Yaseen, Academia Sinica, TAIWAN
Poster: Photonic Crystal Nanobeam Laser
Speaker Biography: Mohammad Yaseen: received the BSc degree and the MSc degree in electrical and electronic engineering from University of Mosul, Iraq, in 2003, and 2006 respectively. He is currently pursuing the Ph.D. degree in the engineering system and science department, National Tsing Hua University, Taiwan. His current research interests include semiconductor physics, mainly in optical devices, including photonic devices, plasmonic devices, nanolasers, and the growth and optical properties of nano-structured materials.

Summary: Coupled photonic crystal nanobeam cavities were fabricated and characterized for laser. The coupled photonic crystal nanobeam cavities are separated by an air gap. Experimentally, by varying the gap width, the lasing action of the coupled nanobeam cavities was observed. Besides this, the lasing wavelength of two major resonant modes can be controlled by tuning the gap width. The experimental results of the coupled modes of the coupled photonic crystal nanobeam cavities are in a good agreement with the 3D-FDTD simulation results.
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