NTT Advanced Technology is part of NTT, Japan's leading telecommunications company. We provide advanced materials and solutions for photonics industries globally. Our key focus includes optical materials, such as optical adhesives for silicon photonics and high refractive index resins for nanoimprinting - AR waveguides. We also provide optics and components, such as EUV mirrors, KTN, DOE, and silicon photonics packaging service, built on years of research and expertise from the NTT Group.