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Hertz-Level Clock Spectroscopy of 171Yb Atoms in a One-Dimensional Optical Lattice

Meng-Jiao, Zhang, Hui Hui +10 more

Chinese Physics LettersJan 1, 20161 citation

High resolution spectroscopy of optical lattice-confined 174Yb

Chad Hoyt, Zeb W. Barber, Chris W. Oates +1 more

We report high resolution spectroscopy of optical lattice-confined 174Yb atoms. We demonstrate spectroscopic linewidths as narrow as 4 Hz (full-width at half-maximum) using the highly forbidden clock transition (1S0-3P0) in a one-dimensional optical lattice.

Frontiers in OpticsJan 1, 20060 citations

Spectroscopy of neutral 174 Yb in a one-dimensional optical lattice

Chad Hoyt, Zeb W. Barber, Chris W. Oates +3 more

We report spectroscopy of the 1S 0 - 3P 0 clock transition in neutral 174Yb atoms confined to a one-dimensional optical lattice at the ac Stark shift-canceling wavelength of 759.35 nm. Spectroscopic linewidths as narrow as 4 Hz, full width at half-maximum, are shown with good contrast and signal-to-noise ratios. An upper limit on frequency instability is demonstrated to be 3 × 10−15 at one second by measuring with respect to another stable laser through a Ti:sapphire femtosecond laser frequency comb.We report spectroscopy of the 1S 0 - 3P 0 clock transition in neutral 174Yb atoms confined to a one-dimensional optical lattice at the ac Stark shift-canceling wavelength of 759.35 nm. Spectroscopic linewidths as narrow as 4 Hz, full width at half-maximum, are shown with good contrast and signal-to-noise ratios. An upper limit on frequency instability is demonstrated to be 3 × 10−15 at one second by measuring with respect to another stable laser through a Ti:sapphire femtosecond laser frequency comb.

European Frequency and Time ForumMar 27, 20060 citations

Orbital physics in one dimensional optical lattices

Xiaopeng Li

Bulletin of the American Physical SocietyMar 18, 20130 citations

A Three-Dimensional Optical Lattice of Ytterbium and Lithium Atomic Gas Mixture

Hideaki Hara, Hideki Konishi, Shuta Nakajima +2 more

We develop an optical lattice system for an ultracold atomic gas mixture of ytterbium (174Yb) and lithium (6Li), which is an ideal system to study disorder and impurity problems. We load a Bose-Einstein condensate of 174Yb into a three-dimensional optical lattice and observe the interference patterns in time-of-flight (TOF) images. Furthermore, we perform a laser spectroscopy of 174Yb in an optical lattice using the ultra-narrow optical transition 1S0-3P2 in both cases with and without 6Li. Due to the weak interspecies interaction, we do not observe the clear influences of 6Li in the obtained interference patterns and the excitation spectra. However, this is an important first step of optical control of atomic impurity in ultracold fermions. We also measure the polarizabilities of the 3P2 state of 174Yb atoms in an optical trap with a wavelength of 1070 nm. We reveal that the polarizability can be tuned to positive, zero, or the same as the ground state, which are useful for certain applications.We develop an optical lattice system for an ultracold atomic gas mixture of ytterbium (174Yb) and lithium (6Li), which is an ideal system to study disorder and impurity problems. We load a Bose-Einstein condensate of 174Yb into a three-dimensional optical lattice and observe the interference patterns in time-of-flight (TOF) images. Furthermore, we perform a laser spectroscopy of 174Yb in an optical lattice using the ultra-narrow optical transition 1S0-3P2 in both cases with and without 6Li. Due to the weak interspecies interaction, we do not observe the clear influences of 6Li in the obtained interference patterns and the excitation spectra. However, this is an important first step of optical control of atomic impurity in ultracold fermions. We also measure the polarizabilities of the 3P2 state of 174Yb atoms in an optical trap with a wavelength of 1070 nm. We reveal that the polarizability can be tuned to positive, zero, or the same as the ground state, which are useful for certain applications.

arXiv:1310.4918Journal of the Physical Society of JapanDec 12, 201327 citations

Feshbach physics in a one-dimensional optical lattice

Nicolai Gayle Nygaard, Rune Piil, Klaus Mølmer

Bulletin of the American Physical SocietyMar 11, 20080 citations

Spectroscopy of 174Yb in a one-dimensional optical lattice

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