Sangsik gave an invited seminar at the KRISS symposium. Thanks for the invitation! Posted on 10/26/201807/16/2019 Related posts:Four undergraduates (Jibaek, Taewon, Taein, and Taesang) join our groups to explore integrated photo...Our paper on "Photonic waveguide to free-space Gaussian beam extreme mode converter" is published in...Borhan won the 2nd place in the Physics Department Poster Competition! Congratulations! Posted in News.