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author:

Su, Qi-Ping (Su, Qi-Ping.) [1] | Bin, Liang (Bin, Liang.) [2] | Zhang, Yu (Zhang, Yu.) [3] | Ma, Meng-Yun (Ma, Meng-Yun.) [4] | Yang, Chui-Ping (Yang, Chui-Ping.) [5]

Indexed by:

EI Scopus SCIE

Abstract:

The W-type entangled states are very useful in quantum computing and quantum communication. Many works have been devoted to preparing non-hybrid W states (i.e., all qubits with the same encoding) in various physical systems. On the other hand, hybrid W entangled states are key ingredients for hybrid quantum computing and quantum communication. In this work, we propose to create a hybrid W entangled state of three photonic qubits each with a different encoding. The hybrid W state is prepared by employing three microwave cavities coupled to a superconducting flux qutrit (i.e., a three-level quantum system). This proposal requires only a single qutrit to couple the three cavities, thus the system architecture is greatly simplified. Since there is no need of making any measurement, the W state is created deterministically. As an example, our numerical simulation demonstrates that within current experimental technology, the proposed hybrid W state can be created with a high fidelity. This proposal is universal and can be applied to create the proposed hybrid W state, by using three microwave or optical cavities coupled to a three-level natural or artificial atom.

Keyword:

Circuit QED Hybrid Photonic qubit W state

Community:

  • [ 1 ] [Su, Qi-Ping]Hangzhou Normal Univ, Sch Phys, Hangzhou 311121, Zhejiang, Peoples R China
  • [ 2 ] [Ma, Meng-Yun]Hangzhou Normal Univ, Sch Phys, Hangzhou 311121, Zhejiang, Peoples R China
  • [ 3 ] [Yang, Chui-Ping]Hangzhou Normal Univ, Sch Phys, Hangzhou 311121, Zhejiang, Peoples R China
  • [ 4 ] [Bin, Liang]Fuzhou Univ, Dept Phys, Fuzhou 350002, Peoples R China
  • [ 5 ] [Su, Qi-Ping]Univ Calgary, Inst Quantum Sci & Technol, Calgary, AB T2N 1N4, Canada
  • [ 6 ] [Zhang, Yu]Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China

Reprint 's Address:

  • [Yang, Chui-Ping]Hangzhou Normal Univ, Sch Phys, Hangzhou 311121, Zhejiang, Peoples R China

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Source :

QUANTUM INFORMATION PROCESSING

ISSN: 1570-0755

Year: 2024

Issue: 1

Volume: 23

2 . 2 0 0

JCR@2023

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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