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28 papers · 2 filters
When Machine Learning Meets Quantum Computers: A Case Study
Weiwen Jiang, Jinjun Xiong, Yiyu Shi
Along with the development of AI democratization, the machine learning approach, in particular neural networks, has been applied to wide-range applications. In different applicatio…
Model-free readout-error mitigation for quantum expectation values
Ewout van den Berg, Zlatko K. Minev, Kristan Temme
Measurements on current quantum processors are subject to hardware imperfections that lead to readout errors. These errors manifest themselves as a bias in quantum expectation valu…
Resource-Efficient Quantum Computing by Breaking Abstractions
Yunong Shi, Pranav Gokhale, Prakash Murali +11
Building a quantum computer that surpasses the computational power of its classical counterpart is a great engineering challenge. Quantum software optimizations can provide an acce…
Ultrahigh Vacuum Packaging and Surface Cleaning for Quantum Devices
M. Mergenthaler, S. Paredes, P. Müller +7
We describe design, implementation and performance of an ultra-high vacuum (UHV) package for superconducting qubit chips or other surface sensitive quantum devices. The UHV loading…
Efficient ancilla-free reversible and quantum circuits for the Hidden Weighted Bit function
Sergey Bravyi, Theodore J. Yoder, Dmitri Maslov
The Hidden Weighted Bit function plays an important role in the study of classical models of computation. A common belief is that this function is exponentially hard for the implem…
Reducing unitary and spectator errors in cross resonance with optimized rotary echoes
Neereja Sundaresan, Isaac Lauer, Emily Pritchett +3
We present an improvement to the cross resonance gate realized with the addition of resonant, target rotary pulses. These pulses, applied directly to the target qubit, are simultan…