KOREA ADVANCED MATERIALS Co., Ltd. produces and sells optical power splitters and arrayed waveguide gratings for high-speed and FTTH networks. Its products include planar lightwave circuit (PLC) splitter chips and power splitter modules, mode conversion adapters, and arrayed waveguide gratings. It also offers WDM solutions, optical performance testing, optical power splitters, quantum cryptography, and optical systems. The company was formerly known as PPI Inc. and changed its name to KOREA ADVANCED MATERIALS Co., Ltd. in October 2024. It was founded in 1999 and is based in Gwangju-si, South Korea.