Switch Network Ion Trap Controller Voltage Glitch Reduction
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing quantum object confinement apparatuses face challenges in efficiently controlling voltages across a large number of control electrodes, leading to complex infrastructure and reduced scalability.
Innovation Solution
A quantum object confinement apparatus with a voltage control circuit that uses a switch network to provide analog control signals to symmetric pairs of control electrodes, ensuring simultaneous closure of switches to minimize voltage glitches and maintain precise control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the number of control electrodes is increased to confine more quantum objects, then the capacity of the quantum object confinement apparatus is improved, but the device complexity increases due to the large infrastructure required for voltage control
Solution Approach 1:
The patent merges the voltage control function into the electrode structure itself by integrating switches and voltage sources directly with the control electrodes. This integration eliminates the need for separate complex voltage control infrastructure, allowing multiple quantum objects to be confined while maintaining manageable system complexity through shared control resources
Solution Approach 2:
The control electrodes are designed to serve multiple functions: they provide both quantum object confinement and voltage control capabilities. The same electrodes that trap quantum objects also serve as the control interface, eliminating the need for dedicated separate control infrastructure and reducing overall device complexity
2Measurement precision
If separate voltage control infrastructure is provided for each control electrode, then the voltage control precision is improved, but the device complexity becomes very large
Solution Approach 1:
The voltage control function is merged with the electrode structure by integrating switches and voltage sources directly with the control electrodes. This integration maintains voltage control precision while eliminating separate control infrastructure, as the control signals are applied through the integrated switch network rather than through dedicated separate wiring for each electrode
Solution Approach 2:
The patent introduces switches as intermediary components between the voltage sources and control electrodes. These switches act as mediators that enable precise voltage control by selectively connecting voltage sources to electrodes, providing fine-grained control while sharing common infrastructure resources rather than requiring dedicated separate control paths for each electrode
Data Source
AI summary
A quantum object confinement apparatus is provided comprising one or more electrode sequences and a voltage control circuit for providing analog control signals to at least a first symmetric pair of control electrodes of one of the electrode sequences. The voltage control circuit (i) selectively closes one of a first plurality of switches to complete an electrical connection between the voltage control circuit and a first symmetric control electrode and (ii) simultaneously selectively closes one of a second plurality of switches to complete an electrical connection between the voltage control circuit and a second symmetric control electrode. The voltage control circuit applies a same voltage to an input of the one of the first plurality of switches and to an input of the one of the second plurality of switches prior to selectively closing and as the switches close.