Towards Practical Hybrid Quantum / Classical Computing
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Date
2020-09-28
Authors
Edwards, Marcus
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Publisher
University of Waterloo
Abstract
Quantum computing is in a critical phase where theoretical schemes and protocols are now being implemented in the real world for the first time. Experimental implementations can help us solidify ideas, and can also complicate them. In the case of quantum communication protocols, we present the first experimental implementations of two entanglement-based schemes using IBM’s superconducting transmon qubit based technology. We find that the schemes are experimentally feasible with current technology, and give an idea of how much room for improvement there is before quantum technology can meet the highest theoretical expectations. These communication schemes may be fundamental components of the future quantum internet. We also present an overview of the emerging field of quantum blockchain protocols that could form a part of the quantum / classical communication structures of the future. Interaction between classical and quantum technologies can impair purely quantum designs, but can also be harnessed to enhance hybrid quantum / classical approaches. Finally, we suggest a path towards the hybridization of arbitrary code execution and verification in the hybrid quantum / classical networks of the future.
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Keywords
quantum information, quantum blockchain, quantum teleportation, quantum algorithms, quantum annealing, quantum computing, hybrid quantum / classical computing