Coherent Population Trapping on the Second Resonance Line of Potassium

Year: 2009

Authors: Gozzini S., Cartaleva S., Karaulanov T., Lucchesini A., Slavov D.

Autors Affiliation: BAS, Inst Elect, Sofia 1784, Bulgaria; CNR, IPCF, Area Ric, I-56124 Pisa, Italy

Abstract: We present the observation of coherent population trapping resonances on the second resonance line of potassium: 4s(2)S(1/2) -> 5p(2)P(3/2) with wavelength of 404.4 nm. Moreover, a transfer of the coherent population trapping resonance occurs to the excited 4p(2)P(1/2) and 4p(2)P(3/2) states of the first resonance line due to cascade transitions. This transfer is evidenced by the observation of narrow resonances at the infrared 4s(2)S(1/2) -> 4p(2)P(1/2) and 4s(2)S(1/2) -> 4p(2)P(3/2) transitions when alkali excitation is performed at the 404.4 nm violet line.


Volume: 116 (4)      Pages from: 492  to: 494

More Information: ISSN: 0587-4246
KeyWords: Electromagnetically induced transparency; Quantum optics; Diode laser; Potassium;
DOI: 10.12693/APhysPolA.116.492

Citations: 3
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