400 Gb/s (40 × 10 Gb/s) ASE injection seeded WDM-PON based on SOA-REAM. - Joon-Young Kim; Sanghwa Yoo; Sang-Rok Moon; Dong Churl Kim; Chang-Hee Lee (OFC/NFOEC, 2013)

Multi-Layered Asymmetric Waveguide Structure for Gain-Chip and its Application to Polymer-Based Waveguide Grating for High Power Tunable Laser. - Dong Churl Kim; Dong-Hoon Lee 008; Young-Tak Han; Byung-Seok Choi; Sang-Ho Park; Jang-Uk Shin; Won-Seok Han; Yong-Hwan Kwon; Jong-Hoi Kim; Yongsoon Baek (ECOC, 2017)

Carrier Diffusion Effect in Gain Chip and 60 mW Tunable External Cavity Laser with Diffusion-Limited Gain Chip and Polymer-Based Waveguide Grating. - Dong Churl Kim; Young-Tak Han; Donghoon Lee 008; Seok-Tae Kim; Su Jeong Jeon; Sangho Park; Jang-Uk Shin; Yong-Hwan Kwon; Jong-Hoi Kim; Yongsoon Baek; Ho-Sung Cho (OFC, 2019)

Photonic Integrated Chip-based Reference Frame Independent Quantum Key Distribution Transmitter. - Kyongchun Lim; Byung-Seok Choi; Ju Hee Baek; Minchul Kim; Joong-Seon Choe; Kap-Joong Kim; Dong Churl Kim; Junsang Oh; Chun Ju Youn (OFC, 2025)