2019
DOI: 10.1103/physrevb.100.134421
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Magnon blockade in a hybrid ferromagnet-superconductor quantum system

Abstract: The implementation of a single magnon level quantum manipulation is one of the fundamental targets in quantum magnetism with a significant practical relevance for precision metrology, quantum information processing, and quantum simulation. Here, we demonstrate theoretically the feasibility of using a hybrid ferromagnetsuperconductor quantum system to prepare a single magnon source based on magnon blockade effects. By numerically solving the quantum master equation, we show that the second-order correlation fun… Show more

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Cited by 154 publications
(80 citation statements)
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References 53 publications
(135 reference statements)
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“…In particular, the coupling between magnons and the microwave cavity photons can easily reach the strong-coupling regime [5][6][7]; even the ultrastrong-coupling regime [10][11][12] leading to cavity magnon polaritons. The photon-magnon polariton provides great opportunities to study many novel phenomena, such as level attraction [13,14], exceptional surface [15], bistability [16], nonreciprocity [17], magnon blockade [18]. Furthermore, hybrid quantum systems based on magnons may pave the way for achieving microwave-tooptical quantum transducers [19], memories [20], magnonbased data processing and computing circuits [21], and ultrasensitive detection [1] in the area of quantum information science and engineering.…”
Section: Introductionmentioning
confidence: 99%
“…In particular, the coupling between magnons and the microwave cavity photons can easily reach the strong-coupling regime [5][6][7]; even the ultrastrong-coupling regime [10][11][12] leading to cavity magnon polaritons. The photon-magnon polariton provides great opportunities to study many novel phenomena, such as level attraction [13,14], exceptional surface [15], bistability [16], nonreciprocity [17], magnon blockade [18]. Furthermore, hybrid quantum systems based on magnons may pave the way for achieving microwave-tooptical quantum transducers [19], memories [20], magnonbased data processing and computing circuits [21], and ultrasensitive detection [1] in the area of quantum information science and engineering.…”
Section: Introductionmentioning
confidence: 99%
“…( 42) becomes H exp = (1 + γ)H g , which can be diagonalized with the new operators A = (m+b)/ √ 2 and B = (m−b)/ √ 2, similarly to the transformation in Eqs. (11) and (12). The special initial state |Ψ(0) = |N m |0 b = |N 0 could then expand by the eigenstates in Eq.…”
Section: A π-Pulsementioning
confidence: 99%
“…They found new avenues for quantum computing [4], quantum communication [5], and quantum sensing [6]. Analog to the cavity quantum electrodynamics (QED) [7] and optomechanics [8], cavity magnomechanics [9] develops rapidly to become a mesoscopic platform for quantum information processing in both theoretical [10][11][12][13] and experimental aspects [14][15][16][17][18][19][20][21]. Active investigations about magnon-based quantum information transfer focus on the coupling between photons and magnons and that between magnons and phonons in the ferrimagnetic material.…”
Section: Introductionmentioning
confidence: 99%
“…There are two general ideas: (i) the conventional magnon blockade is based on the anharmonicity of the eigenenergy spectrum coming from kinds of nonlinearities; (ii) the unconventional magnon blockade is based on the destructive quantum interference between different excitation paths. Also, magnon blockade has been studied in a hybrid ferromagnet-superconductor quantum system [24]. Many nonlinear optical effects have attracted intense studies and opened up a promising way to study other important optomechanics and magnetomechanics effects based on the intrinsic properties of optical and magnon systems, e.g., optomechanically induced transparency [25] or squeezing [26], entanglement [27] and magnon Kerr effect [28].…”
Section: Introductionmentioning
confidence: 99%