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Microwave photon counter without quantum destruction based on the cross-Kerr nonlinearity of a Josephson junction embedded in a superconducting circuit
Microwave photon counter without quantum destruction based on the cross-Kerr nonlinearity of a Josephson junction embedded in a superconducting circuit
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机译:基于嵌入超导电路中约瑟夫森结的跨Keer非线性的无量子破坏的微波光子计数器
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摘要
A technique relates to a microwave device. A pump resonator, at a first pump resonator end, is connected to both a dispersive nonlinear element and a first stub. The pump resonator, at a second pump resonator end, is capacitively coupled to a pump port, where the first stub is terminated in an open circuit. A quantum signal resonator, at a first quantum signal resonator end, is connected to both the dispersive nonlinear element and a second stub. The quantum signal resonator, at a second signal resonator end, is capacitively coupled to a signal port, where the second stub is connected to ground.
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