The University of Suwon (KR) NUSOD contributions 2022 - Virtual edition IS08 — Flat-band 8-Channel Optical MUX/DeMUX for Long Reach 400GbE Applications2021 - Virtual edition P03 — Flat-Spectral-Band Filter for Fabrication Tolerance and Wideband Spectral Range2006 - Singapore TuD2 — Design of a Widely Tunable Laser with a Chirped Ladder Filter