期刊
PHYSICAL REVIEW LETTERS
卷 113, 期 6, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.113.063604
关键词
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资金
- Funding Program for World-Leading Innovative R&D on Science and Technology (FIRST)
- Ministry of Education, Culture, Sports, Science, and Technology (MEXT), Japan
- NICT Commissioned Research
By driving a dispersively coupled qubit-resonator system, we realize an impedance-matched. system that has two identical radiative decay rates from the top level and interacts with a semi-infinite waveguide. It has been predicted that a photon input from the waveguide deterministically induces a Raman transition in the system and switches its electronic state. We confirm this through microwave response to a continuous probe field, observing near-perfect (99.7%) extinction of the reflection and highly efficient (74%) frequency down-conversion. These proof-of-principle results lead to deterministic quantum gates between material qubits and microwave photons and open the possibility for scalable quantum networks interconnected with waveguide photons.
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