Optics & Photonics Taiwan International Conference (OPTIC), serves as the largest annual meeting on optics and photonics in Taiwan. It aims to bring great minds from around the globe to share the latest advancements in optical materials, optical technology, and metaverse photonics. OPTIC 2023 will be held from December 1 to December 3, 2023 at National Cheng Kung University (NCKU), Tainan, Taiwan (R.O.C).