scholarly journals Unbounded quantum Fisher information in two-path interferometry with finite photon number

2012 ◽  
Vol 46 (3) ◽  
pp. 035302 ◽  
Author(s):  
Y R Zhang ◽  
G R Jin ◽  
J P Cao ◽  
W M Liu ◽  
H Fan
Keyword(s):  
Fisher Information ◽  
Photon Number ◽  
Quantum Fisher Information

scholarly journals Using states with a large photon number variance to increase quantum Fisher information in single-mode phase estimation

2019 ◽  
Vol 3 (11) ◽  
pp. 115008 ◽  
Author(s):  
Changhyoup Lee ◽  
Changhun Oh ◽  
Hyunseok Jeong ◽  
Carsten Rockstuhl ◽  
Su-Yong Lee
Keyword(s):  
Fisher Information ◽  
Photon Number ◽  
Quantum Fisher Information ◽  
Single Mode ◽  
Phase Estimation

Quantum Fisher Information of Two Moving Four-Level Atoms

2020 ◽  
Vol 41 (3) ◽  
pp. 310-320
Author(s):  
S. Jamal Anwar ◽  
M. Usman ◽  
M. Ramzan ◽  
M. Khalid Khan
Keyword(s):  
Fisher Information ◽  
Quantum Fisher Information

Does relativistic motion always degrade quantum Fisher information?

2021 ◽  
Vol 103 (12) ◽  
Author(s):  
Xiaobao Liu ◽  
Jiliang Jing ◽  
Zehua Tian ◽  
Weiping Yao
Keyword(s):  
Fisher Information ◽  
Quantum Fisher Information ◽  
Relativistic Motion

scholarly journals Fisher information of a squeezed-state interferometer with a finite photon-number resolution

2017 ◽  
Vol 95 (2) ◽  
Author(s):  
P. Liu ◽  
P. Wang ◽  
W. Yang ◽  
G. R. Jin ◽  
C. P. Sun
Keyword(s):  
Fisher Information ◽  
Photon Number ◽  
Squeezed State
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