The Quantum photonics tag focuses on photonic hardware developed specifically for quantum communication, sensing, and computation. Articles under this tag may highlight integrated photonic chips, waveguides, and coupling optics that route and process quantum states of light, as well as bulk optical components that interface chips with free-space or fiber systems. Topics can include loss minimization, phase stability, single-photon detection, and compatibility with telecom or visible wavelengths used in different quantum platforms. The tag emphasizes how design and material choices directly impact the fidelity and scalability of quantum photonic systems. For those working on quantum networks, sensors, or processors, these resources show how carefully tailored optics form the backbone of practical quantum photonic architectures. They also reflect Avantier’s understanding of the demands placed on components in cutting-edge quantum applications.