1. Optical Communication Components Research Section, Photonic/Wireless Devices Research Division Electronics and Telecommunications Research Institute Daejeon Rep. of Korea
2. Quantum Optics Research Section, Quantum Technology Research Department Electronics and Telecommunications Research Institute Daejeon Rep. of Korea
3. Photonic Convergence Components Research Section, Photonic/Wireless Devices Research Division Electronics and Telecommunications Research Institute Daejeon Rep. of Korea