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[期刊论文]

Observation of a Superradiant Phase Transition with Emergent Cat States

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author:

Zheng, Ri-Hua (Zheng, Ri-Hua.) [1] | Ning, Wen (Ning, Wen.) [2] | Chen, Ye-Hong (Chen, Ye-Hong.) [3] (Scholars:陈叶鸿) | Unfold

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Abstract:

Superradiant phase transitions (SPTs) are important for understanding light-matter interactions at the quantum level, and play a central role in criticality-enhanced quantum sensing. So far, SPTs have been observed in driven-dissipative systems, but the emergent light fields did not show any nonclassical characteristic due to the presence of strong dissipation. Here we report an experimental demonstration of the SPT featuring the emergence of a highly nonclassical photonic field, realized with a resonator coupled to a superconducting qubit, implementing the quantum Rabi model. We fully characterize the light-matter state by Wigner matrix tomography. The measured matrix elements exhibit quantum interference intrinsic of a photonic mesoscopic superposition, and reveal light-matter entanglement.

Community:

  • [ 1 ] [Zheng, Ri-Hua]Fuzhou Univ, Coll Phys & Informat Engn, Fujian Key Lab Quantum Informat & Quantum Opt, Fuzhou 350108, Fujian, Peoples R China
  • [ 2 ] [Ning, Wen]Fuzhou Univ, Coll Phys & Informat Engn, Fujian Key Lab Quantum Informat & Quantum Opt, Fuzhou 350108, Fujian, Peoples R China
  • [ 3 ] [Chen, Ye-Hong]Fuzhou Univ, Coll Phys & Informat Engn, Fujian Key Lab Quantum Informat & Quantum Opt, Fuzhou 350108, Fujian, Peoples R China
  • [ 4 ] [Lue, Jia-Hao]Fuzhou Univ, Coll Phys & Informat Engn, Fujian Key Lab Quantum Informat & Quantum Opt, Fuzhou 350108, Fujian, Peoples R China
  • [ 5 ] [Shen, Li-Tuo]Fuzhou Univ, Coll Phys & Informat Engn, Fujian Key Lab Quantum Informat & Quantum Opt, Fuzhou 350108, Fujian, Peoples R China
  • [ 6 ] [Xia, Yan]Fuzhou Univ, Coll Phys & Informat Engn, Fujian Key Lab Quantum Informat & Quantum Opt, Fuzhou 350108, Fujian, Peoples R China
  • [ 7 ] [Wu, Fan]Fuzhou Univ, Coll Phys & Informat Engn, Fujian Key Lab Quantum Informat & Quantum Opt, Fuzhou 350108, Fujian, Peoples R China
  • [ 8 ] [Yang, Zhen-Biao]Fuzhou Univ, Coll Phys & Informat Engn, Fujian Key Lab Quantum Informat & Quantum Opt, Fuzhou 350108, Fujian, Peoples R China
  • [ 9 ] [Zheng, Shi-Biao]Fuzhou Univ, Coll Phys & Informat Engn, Fujian Key Lab Quantum Informat & Quantum Opt, Fuzhou 350108, Fujian, Peoples R China
  • [ 10 ] [Chen, Ye-Hong]RIKEN Cluster Pioneering Res, Theoret Quantum Phys Lab, Wako, Saitama 3510198, Japan
  • [ 11 ] [Zhang, Yu-Ran]RIKEN Cluster Pioneering Res, Theoret Quantum Phys Lab, Wako, Saitama 3510198, Japan
  • [ 12 ] [Miranowicz, Adam]RIKEN Cluster Pioneering Res, Theoret Quantum Phys Lab, Wako, Saitama 3510198, Japan
  • [ 13 ] [Lambert, Neill]RIKEN Cluster Pioneering Res, Theoret Quantum Phys Lab, Wako, Saitama 3510198, Japan
  • [ 14 ] [Nori, Franco]RIKEN Cluster Pioneering Res, Theoret Quantum Phys Lab, Wako, Saitama 3510198, Japan
  • [ 15 ] [Chen, Ye-Hong]RIKEN Ctr Quantum Comp RQC, Quantum Informat Phys Theory Res Team, Wako, Saitama 3510198, Japan
  • [ 16 ] [Zhang, Yu-Ran]RIKEN Ctr Quantum Comp RQC, Quantum Informat Phys Theory Res Team, Wako, Saitama 3510198, Japan
  • [ 17 ] [Nori, Franco]RIKEN Ctr Quantum Comp RQC, Quantum Informat Phys Theory Res Team, Wako, Saitama 3510198, Japan
  • [ 18 ] [Xu, Kai]Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China
  • [ 19 ] [Zheng, Dongning]Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China
  • [ 20 ] [Fan, Heng]Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China
  • [ 21 ] [Xu, Kai]Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China
  • [ 22 ] [Zheng, Dongning]Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China
  • [ 23 ] [Fan, Heng]Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China
  • [ 24 ] [Xu, Kai]Univ Chinese Acad Sci, CAS Ctr Excellence Topol Quantum Computat, Beijing 100190, Peoples R China
  • [ 25 ] [Li, Hekang]Univ Chinese Acad Sci, CAS Ctr Excellence Topol Quantum Computat, Beijing 100190, Peoples R China
  • [ 26 ] [Zheng, Dongning]Univ Chinese Acad Sci, CAS Ctr Excellence Topol Quantum Computat, Beijing 100190, Peoples R China
  • [ 27 ] [Fan, Heng]Univ Chinese Acad Sci, CAS Ctr Excellence Topol Quantum Computat, Beijing 100190, Peoples R China
  • [ 28 ] [Zhang, Yu-Ran]South China Univ Technol, Sch Phys & Optoelect, Guangzhou 510640, Peoples R China
  • [ 29 ] [Xu, Da]Zhejiang Univ, Sch Phys, Interdisciplinary Ctr Quantum Informat, State Key Lab Modern Opt Instrumentat, Hangzhou 310027, Peoples R China
  • [ 30 ] [Xu, Da]Zhejiang Univ, Sch Phys, Zhejiang Prov Key Lab Quantum Technol & Device, Hangzhou 310027, Peoples R China
  • [ 31 ] [Miranowicz, Adam]Adam Mickiewicz Univ, Inst Spintron & Quantum Informat, Fac Phys, PL-61614 Poznan, Poland
  • [ 32 ] [Nori, Franco]Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA

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Source :

PHYSICAL REVIEW LETTERS

ISSN: 0031-9007

Year: 2023

Issue: 11

Volume: 131

8 . 1

JCR@2023

8 . 1 0 0

JCR@2023

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 21

SCOPUS Cited Count: 16

30 Days PV: 1

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