Determination of photon statistics and density matrix from double homodyne detection measurements

1998 ◽  
Vol 45 (8) ◽  
pp. 1735-1749 ◽  
Author(s):  
Th. Richter
Keyword(s):  
Density Matrix ◽  
Photon Statistics ◽  
Homodyne Detection

Sampling of photon statistics and density matrix using homodyne detection

1996 ◽  
Vol 127 (1-3) ◽  
pp. 144-160 ◽  
Author(s):  
U Leonhardt ◽  
M Munroe ◽  
T Kiss ◽  
Th Richter ◽  
M.G Raymer
Keyword(s):  
Density Matrix ◽  
Photon Statistics ◽  
Homodyne Detection

Sampling of photon statistics and density matrix using homodyne detection (Optics Comm. 127 (1996) 144)

1997 ◽  
Vol 137 (4-6) ◽  
pp. 445
Author(s):  
U Leonhardt ◽  
M Munroe ◽  
T Kiss ◽  
Th Richter ◽  
M.G Raymer
Keyword(s):  
Density Matrix ◽  
Photon Statistics ◽  
Homodyne Detection

Fluctuations, Dissipation, and Noise

2019 ◽  
pp. 325-408
Author(s):  
Peter W. Milonni
Keyword(s):  
Brownian Motion ◽  
Noise Figure ◽  
Heat Bath ◽  
Radiation Reaction ◽  
Langevin Equations ◽  
Photon Statistics ◽  
Laser Linewidth ◽  
Homodyne Detection ◽  
Fluctuation Dissipation ◽  
Fundamental Laser

General concepts in the theory of fluctuations and dissipation are reviewed and applied to examples in quantum optics. Brownian motion, Fokker-Planck and Langevin equations, and the Wiener-Khintchine theorem are reviewed, followed by a derivation and discussion of the fluctuation-dissipation theorem. The general problem of an oscillator coupled to a heat bath is revisited, as is the nonrelativistic theory of radiation reaction. The general ideas about fluctuations and dissipation developed in the first part of the chapter are then applied to the theory of the fundamental laser linewidth, the photon statistics of linear amplifiers and attenuators, the noise figure, amplified spontaneous emission, and the quantum theory of the beam slitter and homodyne detection.

scholarly journals Insights into one-body density matrices using deep learning

2020 ◽  
Vol 224 ◽  
pp. 265-291 ◽  
Author(s):  
Jack Wetherell ◽  
Andrea Costamagna ◽  
Matteo Gatti ◽  
Lucia Reining
Keyword(s):  
Deep Learning ◽  
Density Matrix ◽  
Reduced Density Matrix ◽  
Body Density ◽  
Density Matrices ◽  
Learning Constraints ◽  
The One ◽  
Reduced Density

Deep-learning constraints of the one-body reduced density matrix from its compressibility to enable efficient determination of key observables.

Experimental determination of the density matrix describing collisionally produced H(n=3) atoms

1986 ◽  
Vol 33 (1) ◽  
pp. 276-293 ◽  
Author(s):  
C. C. Havener ◽  
N. Rouze ◽  
W. B. Westerveld ◽  
and J. S. Risley
Keyword(s):  
Density Matrix ◽  
Experimental Determination

scholarly journals Unrestricted treatment for the direct variational determination of the two-electron reduced density matrix for doubly occupied-configuration-interaction wave functions

2019 ◽  
Vol 150 (16) ◽  
pp. 164106 ◽  
Author(s):  
Diego R. Alcoba ◽  
Alicia Torre ◽  
Luis Lain ◽  
Gustavo E. Massaccesi ◽  
Ofelia B. Oña ◽  
...  
Keyword(s):  
Density Matrix ◽  
Configuration Interaction ◽  
Wave Functions ◽  
Reduced Density Matrix ◽  
Reduced Density
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