Efficient ground-state cooling of large trapped-ion chains with an electromagnetically-induced-transparency tripod scheme
We report the electromagnetically-induced-transparency (EIT) cooling of a large trapped
Yb+ 171 ion chain to the quantum ground state. Unlike conventional EIT cooling, we engage …
Yb+ 171 ion chain to the quantum ground state. Unlike conventional EIT cooling, we engage …
Near ground-state cooling of two-dimensional trapped-ion crystals with more than 100 ions
We experimentally study electromagnetically induced transparency cooling of the drumhead
modes of planar two-dimensional arrays with up to N≈ 190 Be+ ions stored in a Penning …
modes of planar two-dimensional arrays with up to N≈ 190 Be+ ions stored in a Penning …
Double-electromagnetically-induced-transparency ground-state cooling of stationary two-dimensional ion crystals
We theoretically and experimentally investigate double-electromagnetically-induced
transparency (double-EIT) cooling of two-dimensional ion crystals confined in a Paul trap …
transparency (double-EIT) cooling of two-dimensional ion crystals confined in a Paul trap …
Toward improved quantum simulations and sensing with trapped two-dimensional ion crystals via parametric amplification
Improving coherence is a fundamental challenge in quantum simulation and sensing
experiments with trapped ions. Here we discuss, experimentally demonstrate, and estimate …
experiments with trapped ions. Here we discuss, experimentally demonstrate, and estimate …
Squeezed state metrology with Bragg interferometers operating in a cavity
Bragg interferometers, operating using pseudospin-1/2 systems composed of two
momentum states, have become a mature technology for precision measurements. State-of …
momentum states, have become a mature technology for precision measurements. State-of …
Rapid cooling of the in-plane motion of two-dimensional ion crystals in a Penning trap to millikelvin temperatures
W Johnson, A Shankar, J Zaris, JJ Bollinger, SE Parker - Physical Review A, 2024 - APS
We propose a highly feasible technique with no experimental overhead to rapidly cool the in-
plane degrees of freedom of large two-dimensional ion crystals in Penning traps. Through …
plane degrees of freedom of large two-dimensional ion crystals in Penning traps. Through …
Enhanced dark-state sideband cooling in trapped atoms via photon-mediated dipole-dipole interactions
Resolved sideband cooling provides a crucial step in subrecoil cooling the trapped atoms
toward their motional ground state, which is essential in atom-based quantum technologies …
toward their motional ground state, which is essential in atom-based quantum technologies …
Phase-coherent sensing of the center-of-mass motion of trapped-ion crystals
Trapped ions are sensitive detectors of weak forces and electric fields that excite ion motion.
Here measurements of the center-of-mass motion of a trapped-ion crystal that are phase …
Here measurements of the center-of-mass motion of a trapped-ion crystal that are phase …
Superior dark-state cooling via nonreciprocal couplings in trapped atoms
Cooling the trapped atoms toward their motional ground states is key to applications of
quantum simulation and quantum computation. By utilizing nonreciprocal couplings …
quantum simulation and quantum computation. By utilizing nonreciprocal couplings …
[HTML][HTML] Site-resolved imaging of beryllium ion crystals in a high-optical-access Penning trap with inbore optomechanics
We present the design, construction, and characterization of an experimental system
capable of supporting a broad class of quantum simulation experiments with hundreds of …
capable of supporting a broad class of quantum simulation experiments with hundreds of …