Publications (15)
Fluorescence Detection of a Trapped Ion with a Monolithically Integrated Single-Photon-Counting Avalanche Diode
W. J. Setzer, M. Ivory, O. Slobodyan +7
We report on the first demonstration of fluorescence detection using single-photon avalanche photodiodes (SPADs) monolithically integrated with a microfabricated surface ion trap.…
Heating and ion transport in a Y-junction surface-electrode trap
G. Shu, G. Vittorini, C. Volin +4
We measure ion heating following transport throughout a Y-junction surface-electrode ion trap. By carefully selecting the trap voltage update rate during adiabatic transport along…
Multi-junction surface ion trap for quantum computing
J. D. Sterk, M. G. Blain, M. Delaney +11
Surface ion traps with two-dimensional layouts of trapping regions are natural architectures for storing large numbers of ions and supporting the connectivity needed to implement q…
Integrated photonic structures for photon-mediated entanglement of trapped ions
F. W. Knollmann, E. Clements, P. T. Callahan +9
Trapped atomic ions are natural candidates for quantum information processing and have the potential to realize or improve quantum computing, sensing, and networking. These applica…
Demonstration of a scalable, multiplexed ion trap for quantum information processing
D. R. Leibrandt, J. Labaziewicz, R. J. Clark +14
A scalable, multiplexed ion trap for quantum information processing is fabricated and tested. The trap design and fabrication process are optimized for scalability to small trap si…
Scaling and Suppression of Anomalous Quantum Decoherence in Ion Traps
L. Deslauriers, S. Olmschenk, D. Stick +3
We measure and characterize anomalous motional decoherence of an atomic ion confined in the lowest quantum levels of a novel rf ion trap that features moveable electrodes. The scal…
Efficient Photoionization-Loading of Trapped Cadmium Ions with Ultrafast Pulses
L. Deslauriers, M. Acton, B. B. Blinov +16
Atomic cadmium ions are loaded into radiofrequency ion traps by photoionization of atoms in a cadmium vapor with ultrafast laser pulses. The photoionization is driven through an in…
Ion Trap in a Semiconductor Chip
D. Stick, W. K. Hensinger, S. Olmschenk +3
The electromagnetic manipulation of isolated atoms has led to many advances in physics, from laser cooling and Bose-Einstein condensation of cold gases to the precise quantum contr…
Entangling-gate error from coherently displaced motional modes of trapped ions
B. P. Ruzic, T. A. Barrick, J. D. Hunker +7
Entangling gates in trapped-ion quantum computing have primarily targeted stationary ions with initial motional distributions that are thermal and close to the ground state. Howeve…
Design, Fabrication, and Experimental Demonstration of Junction Surface Ion Traps
D. L. Moehring, C. Highstrete, D. Stick +4
We present the design, fabrication, and experimental implementation of surface ion traps with Y-shaped junctions. The traps are designed to minimize the pseudopotential variations…
Integrated optical addressing of a trapped ytterbium ion
M. Ivory, W. J. Setzer, N. Karl +6
We report on the characterization of heating rates and photo-induced electric charging on a microfabricated surface ion trap with integrated waveguides. Microfabricated surface ion…
Atomic Qubit Manipulations with an Electro-Optic Modulator
P. J. Lee, B. B. Blinov, K. Brickman +6
We report new techniques for driving high-fidelity stimulated Raman transitions in trapped ion qubits. An electro-optic modulator induces sidebands on an optical source, and interf…
T-junction ion trap array for two-dimensional ion shuttling, storage and manipulation
W. K. Hensinger, S. Olmschenk, D. Stick +6
We demonstrate a two-dimensional 11-zone ion trap array, where individual laser-cooled atomic ions are stored, separated, shuttled, and swapped. The trap geometry consists of two l…
Heating rate and electrode charging measurements in a scalable, microfabricated, surface-electrode ion trap
D. T. C. Allcock, T. P. Harty, H. A. Janacek +9
We characterise the performance of a surface-electrode ion "chip" trap fabricated using established semiconductor integrated circuit and micro-electro-mechanical-system (MEMS) micr…
Planar Ion Trap Geometry for Microfabrication
M. J. Madsen, W. K. Hensinger, D. Stick +2
We describe a novel high aspect ratio radiofrequency linear ion trap geometry that is amenable to modern microfabrication techniques. The ion trap electrode structure consists of a…