A Practical Method to Derive Canonical Transformations in a Closed Form and it’s Application to an Antiresonant Electron-Phonon-System

1977 ◽  
Vol 32 (2) ◽  
pp. 113-118
Author(s):  
E. Sigmund
Keyword(s):  
Closed Form ◽  
Practical Method ◽  
Canonical Transformations ◽  
Zero Phonon Line ◽  
Phonon Line

A practical method for the calculation of canonical exponential transformations in closed analytic forms is presented. An application to an antiresonant electron-phonon system is given. In particular the optical zero phonon line is calculated, which reflects the resonant nature of the system

scholarly journals Strain broadening of the 1042-nm zero phonon line of the NV− center in diamond: A promising spectroscopic tool for defect tomography

2017 ◽  
Vol 96 (7) ◽  
Author(s):  
T. B. Biktagirov ◽  
A. N. Smirnov ◽  
V. Yu. Davydov ◽  
M. W. Doherty ◽  
A. Alkauskas ◽  
...  
Keyword(s):  
Zero Phonon Line ◽  
Phonon Line ◽  
Nv Center ◽  
Spectroscopic Tool

Single NV Zero-Phonon Line Emission into Waveguide-Coupled GaP-on-Diamond Disk Resonators

CLEO: 2015 ◽  
2015 ◽  
Author(s):  
Michael Gould ◽  
Nicole K. Thomas ◽  
Yuncheng Song ◽  
Minjoo Larry Lee ◽  
Kai-Mei Fu
Keyword(s):  
Line Emission ◽  
Zero Phonon Line ◽  
Phonon Line ◽  
Diamond Disk ◽  
Disk Resonators

STUDY OF TIME-DELAY FOUR-WAVE MIXING WITH INCOHERENT LIGHT IN ABSORPTION BANDS II: EXPERIMENT

1992 ◽  
Vol 01 (04) ◽  
pp. 727-742 ◽  
Author(s):  
RUIHUA ZHANG ◽  
XIN MI ◽  
HAITIAN ZHOU ◽  
QIAN JIANG ◽  
PEIXIAN YE
Keyword(s):  
Time Delay ◽  
Absorption Edge ◽  
Four Wave Mixing ◽  
Experimental Results ◽  
Wave Mixing ◽  
Incoherent Light ◽  
Absorption Bands ◽  
Zero Phonon Line ◽  
Phonon Line ◽  
Multilevel Theory

A series of experiments of time-delay four-wave mixing with incoherent light (TDFWM-IL) in absorption bands of ruby and dye molecules at 300 K-20 K are reported, which demonstrate that two-level theory fails in the interpretation of the results, and that our multilevel theory of TDFWM-IL should be applied. The following experimental results are emphasized: the normalized delay-time dependences of the signal intensity IS (τ) are not dependent on the sample temperature from 80 K to 300 K for the pump-beam wavelengths not closed to the zero-phonon line or the absorption edge as the power spectrum S0(ω) of the incoherent light source kept invariable; at low temperature of 20 K, IS(τ) is modulated periodically with a period equal to the interval of two adjacent vibrational transitions in the absorption band 4T2 of ruby, as predicted by the multilevel theory. The experiments performed at the zero-phonon line of ruby and at the absorption edge of Cresyl Violet in PMMA demonstrate that the effective two-level model is suitable to approximately analyze not only the experimental results of TDFWM-IL in the unresolved continuous absorption bands with homogeneous broadening, but also the effects of inhomogeneous broadening on the behavior of TDFWM-IL in these bands. Additionally, some data of the subpicosecond dephasing processes of these materials are also obtained for the first time.

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