Sangsik gave a physics colloquium at University of North Texas. Thanks Prof. Drachev for the invitation! Posted on 02/06/201807/16/2019 Related posts:Daniel’s paper on “Integrated polarization-free Bragg filters with subwavelength gratings for photon...Daniel Pimbi, TTU ECE undergraduate alumni, joined our group! Welcome!Sangsik's paper on "Exceptional points in lossy media lead to deep polynomial wave penetration with ... Posted in News.