Amplification without Population Inversion in a Three level Atom

1996 ◽  
Author(s):  
M. Pinard ◽  
G. Grynberg ◽  
P. Mandel
Keyword(s):  
Population Inversion ◽  
Level Atom

CONTROL OF COLLAPSE-REVIVAL PHENOMENON USING A TIME VARYING SQUEEZED FIELD

2011 ◽  
Vol 20 (02) ◽  
pp. 155-165 ◽  
Author(s):  
K. V. PRIYESH ◽  
RAMESH BABU THAYYULLATHIL
Keyword(s):  
Time Evolution ◽  
Frequency Modulation ◽  
Population Inversion ◽  
Light Field ◽  
Time Varying ◽  
Light Atom ◽  
Squeezed Light ◽  
Level Atom ◽  
Time Varying Frequency ◽  
Atom Interaction

We have investigated the interaction of two level atom with time varying quadrature squeezed light field. Jaynes-Cummings model is used for solving the atom radiation interaction. Time evolution of the system for different squeezing parameter and phase have been studied. There are no well-defined revivals in population inversion when the squeezed phase is π and the squeezing parameter is greater than 0.5. Using a time varying frequency for the light field, it is found that the randomness of the population inversion and the collapse revival phenomena can be controlled. Frequency modulation of the field can thus be used as a tool for manipulating the squeezed light atom interaction.

Population Inversion of a V-type Three-Level Atom due to the Effect of Cavity-Induced Quantum Interference

2000 ◽  
Vol 18 (1) ◽  
pp. 48-50 ◽  
Author(s):  
Li Gao-Xiang ◽  
Peng Jin-Sheng ◽  
Wu Shao-Ping ◽  
Huang Guang-Ming
Keyword(s):  
Quantum Interference ◽  
Population Inversion ◽  
Level Atom
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