Gwangju Institute of Science and Technology, Korea

Justus Liebig University Giessen

University of Macau

Nationa University of Singapore

Hankuk University of Foreign Studies 한국외국어대학교 물리학과 교수

Universidad Nacional de Colombia

Nanospectroscopy Group, Ludwig-Maximilians-Universität München

Professor of Electrical and Computer Engineering Department, Rutgers University

Professor of Nankai University

Prof. Univ. Patras, Greece , Chair Prof. Henan Univ. China, Honorary Doct. Russian …