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Explore the development and implementation of Singapore's optical ground station (SOGS) designed for satellite-to-ground quantum communication in this 37-minute quantum lunch seminar. Learn about the limitations of traditional fiberoptic networks for global quantum key distribution (QKD) and discover how satellite-based quantum communication offers a promising solution to overcome range restrictions of ground-based systems. Examine the engineering challenges and design considerations involved in constructing a quantum optical ground station within an urban environment, including specific solutions implemented in the SOGS project at the National University of Singapore campus. Understand the technical requirements for demonstrating entanglement sharing and quantum key distribution with low Earth orbit satellites. Investigate the critical importance of cross-compatibility between optical ground stations and quantum satellites for achieving a global quantum network, and explore systematic approaches to studying compatibility across multiple quantum satellite missions and ground stations. Discover additional applications of optical ground stations beyond quantum communication, gaining insight into the broader potential of this emerging technology for future quantum networking infrastructure.
