Dynamics of Quantum Fisher Information Based on Giant-Atom-Waveguide System

Fig. 2. Evolutions of quantum Fisher information over time with different values of accumulated phase $ϕ_{d}$ and time delay $γ t_{d}$ . (a) $ϕ_{d} = 0$ ; (b) $ϕ_{d} = π / 3$ ; (c) $ϕ_{d} = 2 π / 3$ ; (d) $ϕ_{d} = π$

Download full size

Fig. 3. Evolutions of quantum Fisher information over time with different interaction intensities. (a) $ϕ_{d} = 0, γ t_{d} = 0$ ; (b) $ϕ_{d} = π, γ t_{d} = 0.2$

Download full size

Fig. 4. Influence of different numbers of coupling points on quantum Fisher information. (a) $ϕ_{d} = 0, γ t_{d} = 0$ ; (b) $ϕ_{d} = π, γ t_{d} = 0.2$

Download full size

Fig. 5. Evolutions of optimization sensitivity over time with different values of accumulated phase $ϕ_{d}$ and time delay $γ t_{d}$ . (a) $ϕ_{d} = 0$ ; (b) $ϕ_{d} = π$

Download full size

Fig. 6. Evolutions of optimization sensitivity over time with different interaction intensities. (a) $ϕ_{d} = 0, γ t_{d} = 0$ ; (b) $ϕ_{d} = π, γ t_{d} = 0.2$

Download full size

Fig. 7. Influence of different numbers of coupling points on optimization sensitivity. (a) $ϕ_{d} = 0, γ t_{d} = 0$ ; (b) $ϕ_{d} = π, γ t_{d} = 0.2$

Download full size

Fig. 8. Evolutions of quantum Fisher information over time with different accumulated phases

Download full size

Tools

Get Citation

Copy Citation Text

Xiaosan Ma, Jiahong Quan, Yunning Lu, Mutian Cheng. Dynamics of Quantum Fisher Information Based on Giant-Atom-Waveguide System[J]. Acta Optica Sinica, 2024, 44(13): 1327001

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites

Paper Information

Category: Quantum Optics

Received: Jan. 16, 2024

Accepted: Mar. 21, 2024

Published Online: Jul. 4, 2024

The Author Email: Ma Xiaosan (mxiaosan@mail.ustc.edu.cn)

DOI:10.3788/AOS240510

CSTR:32393.14.AOS240510

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology