Two-Photon Transition Driven by Parametrically Down-Converted Light: A Linear Intensity Dependence

1990 ◽  
pp. 437-440
Author(s):  
Phillip L. Gould ◽  
Juha Javanainen
Keyword(s):  
Intensity Dependence ◽  
Two Photon ◽  
Photon Transition ◽  
Linear Intensity

Linear intensity dependence of a two-photon transition rate

1990 ◽  
Vol 41 (9) ◽  
pp. 5088-5091 ◽  
Author(s):  
Juha Javanainen ◽  
Phillip L. Gould
Keyword(s):  
Transition Rate ◽  
Intensity Dependence ◽  
Two Photon ◽  
Photon Transition ◽  
Linear Intensity

Investigation of 6S 1/2–8S 1/2 two-photon transition of cesium atoms by a single 822 nm laser

2021 ◽  
Vol 19 (2) ◽  
pp. 025201
Author(s):  
Ning Liu ◽  
Sandan Wang ◽  
Jinpeng Yuan ◽  
Lirong Wang ◽  
Liantuan Xiao ◽  
...  
Keyword(s):  
Frequency Standard ◽  
Laser Beams ◽  
Fluorescence Signal ◽  
Frequency Reference ◽  
Two Photon ◽  
Photon Transition ◽  
Fabry Perot ◽  
Experimental Parameters ◽  
Stable Frequency ◽  
Vapor Temperature

Abstract We experimentally investigate the 6S 1/2–8S 1/2 two-photon transition in cesium vapor by a single laser. A blue (455.5 and 459.3 nm) fluorescence signal is observed as a result of 822.5 nm laser beams illuminating the Cs vapor with a counter-propagating configuration. The dependences of the fluorescence intensity on the polarization combinations of the laser beams, laser power and vapor temperature are studied to obtain optimal experimental parameters. The frequency difference between the two hyperfine components of 4158 (7) MHz is measured with a Fabry–Perot interferometer as a frequency reference. Such a large spectral isolation and the insensitivity to the Earth’s magnetic field enable the 6S 1/2–8S 1/2 transition to be a stable frequency standard candidate for a frequency-doubled 1644 nm laser in the U-band window for quantum telecommunication.

Femtosecond pulse propagation near a two-photon transition in a semiconductor quantum-dot waveguide

1996 ◽  
Vol 21 (9) ◽  
pp. 659 ◽  
Author(s):  
P. T. Guerreiro ◽  
S. I. Najafi ◽  
J. Mackenzie ◽  
N. Peyghambarian ◽  
S. G. Lee ◽  
...  
Keyword(s):  
Quantum Dot ◽  
Femtosecond Pulse ◽  
Pulse Propagation ◽  
Semiconductor Quantum Dot ◽  
Two Photon ◽  
Photon Transition

scholarly journals Efficient photo-ionization for barium ion trapping using a dipole-allowed resonant two-photon transition

2012 ◽  
Vol 108 (1) ◽  
pp. 159-165 ◽  
Author(s):  
G. Leschhorn ◽  
T. Hasegawa ◽  
T. Schaetz
Keyword(s):  
Ion Trapping ◽  
Two Photon ◽  
Photon Transition ◽  
Barium Ion ◽  
Photo Ionization
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