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This episode of Techsplainers delves into the intricate workings of quantum-centric supercomputing hardware and architecture. Host Ian Smalley explains the quantum processing unit (QPU) at the heart of these systems, describing how superconducting qubits function through Josephson junctions and require temperatures colder than space to maintain their quantum states. The episode outlines the three-phase evolution of quantum-centric supercomputing: from specialized compute engines within existing systems, to tightly coupled resources through advanced middleware, to fully co-designed quantum-HPC systems. Listeners will learn about key challenges facing this technology, including error correction approaches, scaling quantum processors through next-generation interconnects, and algorithm discovery. The discussion also covers IBM's ambitious roadmap toward systems with 2,000 logical qubits by 2033, providing insight into how this revolutionary computing paradigm will mature in the coming years. 

Find more information at www.ibm.com/think/topics/quantum-centric-supercomputing  

Find more episodes at https://www.ibm.biz/techsplainers-podcast  

Narrated by Ian Smalley