3 papers
cond-mat.quant-gas2026
Programmable Superradiance in an Interacting Qubit Array
Botao Du, Qihao Guo, Ruichao Ma
When multiple quantum emitters couple to a common electromagnetic environment, interference in their collective radiative dynamics gives rise to superradiance and subradiance. In r…
quant-ph2026
Entangling Superconducting Qubits via Energy-Selective Local Reservoirs
Qihao Guo, Botao Du, Ruichao Ma
Engineered dissipation provides a powerful route to controlling and stabilizing quantum states in open systems. Superconducting circuits are particularly suited to this approach du…
cond-mat.quant-gas2025
Tunneling Spectroscopy in Superconducting Circuit Lattices
Botao Du, Qihao Guo, Santiago López +1
We demonstrate tunneling spectroscopy of synthetic quantum matter in superconducting circuit lattices. We measure site-resolved excitation spectra by coupling the lattice to engine…