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NUMBER C19009
AUTHOR Bang, Jeongho
TITLE Experimental demonstration of quantum learning speedup with classical input data
ARCHIVE https://arxiv.org/abs/1706.01561
FILE  
JOURNAL PHYSICAL REVIEW A, 2019
ABSTRACT We consider quantum-classical hybrid machine learning in which large-scale input channels remain classical and small-scale working channels process quantum operations conditioned on classical input data. This does not require the conversion of classical (big) data to a quantum superposed state, in contrast to recently developed approaches for quantum machine learning. We performed optical experiments to illustrate a single-bit universal machine, which can be extended to a large-bit circuit for a binary classification task. Our experimental machine exhibits quantum learning speedup of approximately 36%, as compared with the fully classical machine. In addition, it features strong robustness against dephasing noise.
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