Generation of Bell and Greenberger-Horne-Zeilinger states from a hybrid qubit-photon-magnon system

Qi, Shi-fan; Jing, Jun

doi:10.1103/physreva.105.022624

Cited by 33 publications

(8 citation statements)

References 58 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…with microwave photons in the strong and even ultrastrong coupling regimes has been demonstrated [1,2], can have long lifetimes and long coherence times [19][20][21], which makes them suitable for different applications in quantum information. In the last decade, different quantum behaviour of magnons such as magnon-magnon or magnon-photon-phonon entanglement [11][12][13][14][15][16], magnon and phonon squeezing [22], bell state generation [23][24][25] as well as magnon blockade [26][27][28][29][30], as a pure quantum phenomenon have been theoretically studied. Magnon blockade, which similar to photon and phonon blockade in cavity quantum electrodynamics [31] and cavity optomechanics [32], is essentially originated from the anhamonicity in energy eigenvalues of the system, has been theoretically proposed in various hybrid magnonics systems [26][27][28][29][30].…”

Section: Introductionmentioning

confidence: 99%

Parity-time symmetry-enhanced simultaneous magnon and photon blockade in cavity magnonic system

Sadat Ebrahimi,

Bagheri Harouni

2023

J. Phys. B: At. Mol. Opt. Phys.

View full text Add to dashboard Cite

In this work, we consider a parity-time (PT ) symmetric two mode cavity magnonic system involving the magnon-photon interaction with small magnon Kerr nonlinearity. Moreover, we investigate the eﬀect of PT -symmetry phase on both the magnon and photon blockade. We show that the PT -symmetry phase, which is achievable by properly selecting the system parameters, can relax the large Kerr nonlinearity requirement for magnon blockade. Consequently, simultaneous perfect magnon and photon blockade can be easily obtained even in the presence of a small value of magnon Kerr nonlinearity. The outstanding feature of the proposed scheme is the occurrence of simultaneous perfect magnon and photon blockade with only a small value of magnon Kerr nonlinearity. While photon blockade can be easily distinguished experimentally, the experimental realization of magnon statistics and consequently magnon blockade is still a challenge. The prominent feature of our proposed scheme can relax this challenge by following the magnon blockade criteria via the photon statistics.

show abstract

Section: Introductionmentioning

confidence: 99%

Parity-time symmetry-enhanced simultaneous magnon and photon blockade in cavity magnonic system

Sadat Ebrahimi,

Bagheri Harouni

2023

J. Phys. B: At. Mol. Opt. Phys.

View full text Add to dashboard Cite

show abstract

“…Specifically, a protocol for producing transient Bell states and GHZ states in a hybrid qubit-photon-magnon system has been presented in Ref. [42], but how to generate the W state in a magnonbased hybrid system is still an open question. On the other hand, the exotic effects induced by dissipative coupling have been widely studied in magnon-based hybrid systems, both theoretically [14-16, 43, 44] and experimentally [13,[45][46][47].…”

Section: Introductionmentioning

confidence: 99%

Generation of long-lived $W$ states via reservoir engineering in dissipatively coupled systems

Zhang¹,

Feng²,

Xiong³

et al. 2022

Preprint

View full text Add to dashboard Cite

Very recently, the dissipative coupling was discovered, which develops and broadens methods for controlling and utilizing light-matter interactions. Here, we propose a scheme to generate the tripartite W state in a dissipatively coupled system, where one qubit and two resonators simultaneously interact with a common reservoir. With appropriate parameters, we find the W state is a dark state of the system. By driving the qubit, the dissipatively coupled system will evolve from the ground state to the tripartite W state. Because the initial state is the ground state of the system and no measurement is required, our scheme is easy to implement in experiments. Moreover, the W state decouples from the common reservoir and thus has a very long lifetime. This scheme is applicable to a wide class of dissipatively coupled systems, and we specifically illustrate how to prepare the W state in a hybrid qubit-photon-magnon system by using this scheme.

show abstract

“…With unique properties such as large tunability, long coherent-time, and strong magnetic dipole-dipole interactions, the magnons can be used as the information carrier in a broad variety of hybrid systems [1][2][3]. Found to be strongly coupled to microwave photon [4][5][6][7][8][9], phonon [10][11][12][13][14], superconducting qubit [15][16][17][18], and spinemitter [19,20], they provide novel applications in quantum computing [21], quantum communication [22], and quantum sensing [23]. The "X-magnon" coupling motivates a number of foundational insights, e.g., the twobody flip-flop interaction of magnons for Rabi oscillation, which is symmetrical to time and parity.…”

Section: Introductionmentioning

confidence: 99%

Chiral current in Floquet cavity-magnonics

Qi,

Jing

2022

Preprint

Self Cite

View full text Add to dashboard Cite

Floquet engineering could induce complex collective behaviour and interesting synthetic gaugefield in quantum many-body systems through temporal modulation of system parameters by periodic drives. Using a Floquet drive on frequencies of the magnon modes, we realize a chiral state-transfer in a hybrid photon-magnon system. The time-reversal symmetry is broken in such a promising platform for coherent information processing. The cavity-photon mode is adiabatically eliminated in the large-detuning regime and the magnon modes under conditional longitudinal drives can be indirectly coupled to each other with a phase-modulated interaction. The effective Hamiltonian is then used to generate chiral currents in a circular loop, whose dynamics is evaluated to measure the symmetry of the system Hamiltonian. Beyond the dynamics in the manifold with a limited number of excitations, our protocol applies to the continuous-variable systems with arbitrary initial states. In addition, it is found to be robust against the systematic errors in the photon-magnon coupling strength and Kerr nonlinearity.

show abstract

Generation of Bell and Greenberger-Horne-Zeilinger states from a hybrid qubit-photon-magnon system

Cited by 33 publications

References 58 publications

Parity-time symmetry-enhanced simultaneous magnon and photon blockade in cavity magnonic system

Parity-time symmetry-enhanced simultaneous magnon and photon blockade in cavity magnonic system

Generation of long-lived $W$ states via reservoir engineering in dissipatively coupled systems

Chiral current in Floquet cavity-magnonics

Contact Info

Product

Resources

About