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quant-ph2025
Pump-efficient Josephson parametric amplifiers with high saturation power
Nicholas M. Hougland, Zhuan Li, Ryan Kaufman +4
Circuit QED based quantum information processing relies on low noise amplification for signal readout. In the realm of microwave superconducting circuits, this amplification is oft…
quant-ph2024
Replica topological order in quantum mixed states and quantum error correction
Zhuan Li, Roger S. K. Mong
Topological phases of matter offer a promising platform for quantum computation and quantum error correction. Nevertheless, unlike its counterpart in pure states, descriptions of t…