Vacuum-induced surface-acoustic-wave phonon blockade
| Autor: | Hui Sun, Tao Li, Lei Tang, Keyu Xia, Jiangshan Tang, Han Zhang, Yanqin Lu, Min Xiao, Yang Wu, Zhenkai Wang |
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| Rok vydání: | 2020 |
| Předmět: |
Physics
Photon Condensed matter physics Phonon Surface acoustic wave Transmon Condensed Matter::Mesoscopic Systems and Quantum Hall Effect 01 natural sciences 010305 fluids & plasmas Condensed Matter::Superconductivity Qubit 0103 physical sciences Quantum system 010306 general physics Quantum Quantum computer |
| Zdroj: | Physical Review A. 101 |
| ISSN: | 2469-9934 2469-9926 |
| Popis: | Photon blockade via a giant self-Kerr nonlinearity in an optical resonator induced by an N-type quantum system is one of the main routines towards photon-based quantum information processing. However, such an N-type system for phonons is lacking. We propose an effective N-type quantum system for phonons, forming from a superconducting transmon qubit and a microwave resonator. In the absence of any external driving, the quantum vacuum-qubit interaction causes the surface acoustic wave (SAW) phonon blockade. Such a vacuum-induced phonon blockade paves the way to prepare single SAW phonons from a weak coherent phononic state for SAW accessible superconducting quantum computation. |
| Databáze: | OpenAIRE |
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