Towards the Heisenberg limit in microwave photon detection by a qubit array
journal contributionposted on 11.02.2021, 10:23 by P Navez, Alexander Balanov, Sergey Saveliev, Alexandre Zagoskin
Using an analytically solvable model, we show that a qubit array-based detector allows to achieve the fundamental Heisenberg limit in detecting single photons. In case of superconducting qubits, this opens new opportunities for quantum sensing and communications in the important microwave range.
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EU project SUPERGALAX (Grant Agreement ID: 863313)