Low-Loss Connections to Optical Fibers for Quantum Photonic Integrated Circuits

Watch a technical presentation exploring the development of innovative low-loss fiber-optic connections designed specifically for quantum photonic integrated circuits (QPICs). Learn about metallic optical bench connectors that utilize reflective freeform mirrors to couple light between optical fibers and QPICs. Discover how these connectors work with multiple PIC platforms and can function across wide temperature ranges, including cryogenic conditions. Examine the opto-mechanical design principles for vertical coupling using diffractive grating couplers, and understand how expanded-beam optical paths help minimize losses despite misalignment. Explore how these advanced connectors facilitate the transition from traditional free-space optics to integrated photonics, with applications in quantum computing, communications, and sensing systems.