Measurements of hyperfine polarization quantum beats are used to determine the magnetic dipole (A) and electric quadrupole (B) coupling constants in the excited atomic Cs $8p{\phantom{\rule{0.16em}{0ex}}}^{2}{P}_{3/2}$ level. The experimental approach is a combination of pulsed optical pumping and time-delayed stimulated-emission probing of the excited level. From the measured evolution of the atomic linear polarization degree as a function of probe delay time, we determine the hyperfine coupling constants $A=7.42(6)$ MHz and $B=0.14(29)$ MHz.Measurements of hyperfine polarization quantum beats are used to determine the magnetic dipole (A) and electric quadrupole (B) coupling constants in the excited atomic Cs $8p{\phantom{\rule{0.16em}{0ex}}}^{2}{P}_{3/2}$ level. The experimental approach is a combination of pulsed optical pumping and time-delayed stimulated-emission probing of the excited level. From the measured evolution of the atomic linear polarization degree as a function of probe delay time, we determine the hyperfine coupling constants $A=7.42(6)$ MHz and $B=0.14(29)$ MHz.

arXiv:1409.0290Physical Review ADec 11, 201413 citations

Hyperfine Quantum Beats Observed in Cs Vapor under Pulsed Dye Laser Excitation

S. Haroche, Jeffrey A. Paisner, ARTHUR L. SCHAWLOW

We report observation of hyperfine quantum beats in the light emitted by the $7{^{2}P}_{\frac{3}{2}}$ level of ${\mathrm{Cs}}^{133}$ after excitation by a short resonant dye laser pulse. Frequency analysis of the beats provides a measurement of the hyperfine splittings in agreement with previous work. The usefulness of quantum-beat detection as a new method of laser spectroscopy without complications from the Doppler effect is discussed.We report observation of hyperfine quantum beats in the light emitted by the $7{^{2}P}_{\frac{3}{2}}$ level of ${\mathrm{Cs}}^{133}$ after excitation by a short resonant dye laser pulse. Frequency analysis of the beats provides a measurement of the hyperfine splittings in agreement with previous work. The usefulness of quantum-beat detection as a new method of laser spectroscopy without complications from the Doppler effect is discussed.

Physical Review LettersMay 14, 1973190 citations

Polarization coding of quantum information

Stig Stenholm

Optics CommunicationsJan 1, 199621 citations

Quantum beats in transmission by time-resolved polarization spectroscopy (A)

Wulfhard K. Lange, J. Mlynek

Journal of the Optical Society of America ANov 1, 19784 citations

Measurements of hyperfine polarization quantum beats are used to determine the magnetic dipole (A) and electric quadrupole (B) coupling constants in the excited atomic Cs

8p{\phantom{\rule{0.16em}{0ex}}}^{2}{P}_{3/2}

level. The experimental approach is a combination of pulsed optical pumping and time-delayed stimulated-emission probing of the excited level. From the measured evolution of the atomic linear polarization degree as a function of probe delay time, we determine the hyperfine coupling constants

A=7.42(6)

MHz and

B=0.14(29)

MHz.

We report observation of hyperfine quantum beats in the light emitted by the

7{^{2}P}_{\frac{3}{2}}

level of

{\mathrm{Cs}}^{133}

after excitation by a short resonant dye laser pulse. Frequency analysis of the beats provides a measurement of the hyperfine splittings in agreement with previous work. The usefulness of quantum-beat detection as a new method of laser spectroscopy without complications from the Doppler effect is discussed.