Publications (18)
Investigation of microwave transitions and nonlinear magneto-optical rotation in anti-relaxation-coated cells
D. Budker, L. Hollberg, D. F. Kimball +3
Using laser optical pumping, widths and frequency shifts are determined for microwave transitions between ground-state hyperfine components of Rb and Rb atoms contain…
AC Stark Shifts of Dark Resonances Probed with Ramsey Spectroscopy
J. W. Pollock, V. I. Yudin, M. Shuker +5
The off-resonant AC Stark shift for coherent population trapping (CPT) resonances probed with Ramsey spectroscopy is investigated experimentally and theoretically. Measurements wit…
Magnetometry with millimeter-scale anti-relaxation-coated alkali-metal vapor cells
M. V. Balabas, D. Budker, J. Kitching +2
Dynamic nonlinear magneto-optical-rotation signals with frequency- and amplitude-modulated laser light have been observed and investigated with a spherical glass cell of 3-mm diame…
Photonic integration of an optical atomic clock
Z. L. Newman, V. Maurice, T. E. Drake +19
Laboratory optical atomic clocks achieve remarkable accuracy (now counted to 18 digits or more), opening possibilities to explore fundamental physics and enable new measurements. H…
Advanced light-shift compensation protocol in a continuous-wave microcell atomic clock
M. Abdel Hafiz, R. Vicarini, N. Passilly +7
Light-shifts are known to be an important limitation to the mid- and long-term fractional frequency stability of different types of atomic clocks. In this article, we demonstrate t…
A simple imaging solution for chip-scale laser cooling
A. Bregazzi, P. F. Griffin, A. S. Arnold +6
We demonstrate a simple stacked scheme that enables absorption imaging through a hole in the surface of a grating magneto-optical trap (GMOT) chip, placed immediately below a micro…
Combined error signal in Ramsey spectroscopy of clock transitions
V. I. Yudin, A. V. Taichenachev, M. Yu. Basalaev +6
We have developed a universal method to form the reference signal for the stabilization of arbitrary atomic clocks based on Ramsey spectroscopy. Our approach uses an interrogation…
Reduction of light shifts in Ramsey spectroscopy with a combined error signal
M. Shuker, J. W. Pollock, R. Boudot +4
Light-induced frequency shifts can be a key limiting contribution to the mid and long-term frequency instability in atomic clocks. In this letter, we demonstrate the experimental i…
Dynamic characterization of an alkali-ion battery as a source for laser-cooled atoms
J. P. McGilligan, K. R. Moore, S. Kang +5
We investigate a solid-state, reversible, alkali-ion battery (AIB) capable of regulating the density of alkali atoms in a vacuum system used for the production of laser-cooled atom…
A magneto-optic trap using a reversible, solid-state alkali-metal source
S. Kang, K. R. Moore, J. P. McGilligan +5
We demonstrate a novel way to form and deplete a vapor-cell magneto-optic trap (MOT) using a reversible, solid-state alkali-metal source (AMS) via an applied polarized voltage. Usi…
Optical detection of NMR J-spectra at zero magnetic field
M. P. Ledbetter, C. W. Crawford, A. Pines +4
Scalar couplings of the form J I_1 \cdot I_2 between nuclei impart valuable information about molecular structure to nuclear magnetic-resonance spectra. Here we demonstrate direct…
Nuclear quadrupole resonances in compact vapor cells: the crossover from the NMR to the NQR interaction regimes
E. A. Donley, J. L. Long, T. C. Liebisch +3
We present the first experimental study that maps the transformation of nuclear quadrupole resonances from the pure nuclear quadrupole regime to the quadrupole-perturbed Zeeman reg…
Universal methods for suppressing the light shift in atomic clocks using power modulation
V. I. Yudin, M. Yu. Basalaev, A. V. Taichenachev +8
We show that the light shift in atomic clocks can be suppressed using time variation of the interrogation field intensity. By measuring the clock output at two intensity levels, er…
Generalized auto-balanced Ramsey spectroscopy of clock transitions
V. I. Yudin, A. V. Taichenachev, M. Yu. Basalaev +5
When performing precision measurements, the quantity being measured is often perturbed by the measurement process itself. This includes precision frequency measurements for atomic…
Laser cooling in a chip-scale platform
J. P. McGilligan, K. R. Moore, A. Dellis +7
Chip-scale atomic devices built around micro-fabricated alkali vapor cells are at the forefront of compact metrology and atomic sensors. We demonstrate a micro-fabricated vapor cel…
Optical pumping, decay rates and light shifts of cold-atom dark states
M. Shuker, J. W. Pollock, V. I. Yudin +2
Coherent dark states in atoms, created by simultaneous interaction of two coherent light fields with a 3-level system, are of prime importance in quantum state manipulation. They a…
Ramsey Spectroscopy with Displaced Frequency Jumps
M. Shuker, J. W. Pollock, R. Boudot +4
Sophisticated Ramsey-based interrogation protocols using composite laser pulse sequences have been recently proposed to provide next-generation high-precision atomic clocks with a…
Theory of dark resonances for alkali vapors in a buffer-gas cell
A. Taichenachev, V. Yudin, R. Wynands +3
We develop an analytical theory of dark resonances that accounts for the full atomic-level structure, as well as all field-induced effects such as coherence preparation, optical pu…