April 30, 2024

The Enchilada Trap: New Device Paves the Way for Bigger and Better Quantum Computers

The Enchilada Trap, manufactured in Sandia National Laboratories Microsystems Engineering, Science and Applications fabrication center. Credit: Craig Fritz, Sandia National Laboratories
Sandia Labs makes its very first devices efficient in supporting 200 trapped ion qubits.
Sandia National Laboratories has produced its first lot of a brand-new world-class ion trap, a main element for specific quantum computers. This ingenious gadget, called the Enchilada Trap, enables scientists to build more powerful devices, moving the experimental yet groundbreaking realm of quantum computing forward.
In addition to traps run at Sandia, a number of traps will be utilized at Duke University for performing quantum algorithms. Duke and Sandia are research partners through the Quantum Systems Accelerator, one of 5 U.S. National Quantum Information Science Research Centers funded by the Department of Energys Office of Science.
An ion trap is a kind of microchip that holds electrically charged atoms, or ions. With more trapped ions, or qubits, a quantum computer system can run more complex algorithms.

Jonathan Sterk indicates the area of an ion trap trapped ion qubits take a trip in a close-up view of the trap inside a vacuum chamber at Sandia National Laboratories Credit: Craig Fritz, Sandia National Laboratories
With adequate control hardware, the Enchilada Trap might keep and transport up to 200 qubits using a network of five trapping zones motivated by its predecessor, the Roadrunner Trap. Both variations are produced at Sandias Microsystems Engineering, Science, and Applications fabrication facility.
According to Daniel Stick, a Sandia scientist and leading scientist with the Quantum Systems Accelerator, a quantum computer system with up to 200 qubits and existing error rates will not outperform a standard computer for fixing beneficial issues. However, it will make it possible for scientists to test an architecture with many qubits that in the future will support more sophisticated quantum algorithms for physics, chemistry, data science, products science, and other locations.
” We are providing the field of quantum computing space to grow and check out bigger makers and more complicated programs,” Stick said.
Sandia National Laboratories electrical engineer Ray Haltli optimizes criteria before placing gold wire bonds on an ion trap. When ready, the maker runs automatically, positioning up to seven wires per second. Credit: Craig Fritz, Sandia National Laboratories.
A positive style
Sandia has actually looked into, built, and tested ion traps for 20 years. To overcome a series of style difficulties, the team combined institutional knowledge with new innovations.
For one, they needed space to hold more ions and a way to rearrange them for complex computations. The service was a network of electrodes that branch off similar to a household tree or tournament bracket. Each narrow branch functions as a location to store and shuttle bus ions.
Sandia had actually explore comparable junctions in previous traps. The Enchilada Trap uses the very same style in a tiled way so it can check out scaling homes of a smaller sized trap. Stick thinks the branching architecture is currently the finest option for rearranging caught ion qubits and prepares for that future, even larger variations of the trap will include a similar style.
Another concern was the dissipation of electrical power on the Enchilada Trap, which could create considerable heat, resulting in increased outgassing from surfaces, a greater risk of electrical breakdown, and elevated levels of electrical field noise. To address this issue, production experts developed new microscopic features to decrease the capacitance of certain electrodes.
” Our team is constantly looking ahead,” said Sandias Zach Meinelt, the lead integrator on the project. “We collaborate with engineers and scientists to find out about the type of innovation, functions, and performance enhancements they will require in the coming years. We then design and produce traps to fulfill those requirements and continuously seek ways to more improve.”
The research was moneyed by the United States Department of Energy.

Sandia National Laboratories electrical engineer Ray Haltli enhances criteria before positioning gold wire bonds on an ion trap. Sandia had experimented with similar junctions in previous traps. The Enchilada Trap utilizes the same design in a tiled way so it can explore scaling homes of a smaller trap. Stick believes the branching architecture is presently the finest option for reorganizing trapped ion qubits and anticipates that future, even larger variations of the trap will include a similar design.
We then style and make traps to fulfill those requirements and constantly look for methods to more improve.”