Filter-Aware Voltage Signal Sequences for Ion Trap Transport
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Solution Overview
Problem
Existing methods for determining voltage signal sequences for transporting manipulatable objects in ion traps are inefficient due to the degradation of voltage signals caused by filtering, which results in reduced effectiveness and increased object heating during transport operations.
Innovation Solution
The method involves determining sets of voltage signal sequences that take into account the filter responses of the filters used, ensuring that the voltage signals are optimized to minimize heating and efficiently transport objects between locations within the ion trap by synchronously determining voltage signal sequences that smooth transitions and maintain energy states across transport profiles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If voltage signals are filtered to reduce noise effects, then noise reduction is improved, but signal effectiveness deteriorates
Solution Approach 1:
The patent applies preliminary action by pre-compensating the voltage signals before filtering. The controller determines corrected voltage signal sequences that account for the filter's frequency response characteristics in advance, so that after filtering, the signals maintain their intended effectiveness for transporting manipulatable objects without degradation.
2Object-affected harmful factors
If filtering is applied to voltage signals, then noise reduction is improved, but object heating increases
Solution Approach 1:
The system pre-compensates voltage signals by determining corrected sequences that account for filter characteristics before application. This preliminary adjustment ensures that filtered signals maintain proper amplitude and frequency content, preventing excessive heating of manipulatable objects during transport operations.
3Device complexity
If filter responses are not considered in voltage signal determination, then device complexity is reduced, but transport efficiency deteriorates
Solution Approach 1:
The patent implements feedback by incorporating filter response characteristics into the voltage signal determination process. The controller uses knowledge of the filter's frequency response to iteratively adjust and optimize voltage signal sequences, ensuring efficient transport operations while maintaining manageable system complexity through automated compensation algorithms.
Data Source
AI summary
A controller is configured to control operation of a confinement apparatus comprising one or more radio frequency rails and a plurality of control electrodes. The controller comprises a processing element, non-transitory computer-readable memory storing computer-executable instructions. The computer-executable instructions are configured to, when executed by the processing element, cause the controller to at least identify a manipulatable object transport operation to be performed; obtain a set of voltage signal sequences corresponding to the manipulatable object transport operation to be performed from the voltage signal sequence library; and cause one or more voltage sources to apply respective voltage signal sequences of the set of voltage signal sequences corresponding to the manipulatable object transport operation to respective control electrodes of the plurality of control electrodes via respective filters. The set of voltage signal sequences is determined based at least in part on respective filter responses of the respective filters.