Control Electronics

Digital-to-Analog Converters (DACs) convert digital signals into analog voltages, crucial for interfacing digital control systems with analog quantum hardware.

Field Programmable Gate Arrays (FPGAs) are integrated circuits that can be programmed to perform specific computations, used in control electronics for quantum systems.

Microwave Sources generate microwave signals required for controlling and manipulating qubits in quantum computing systems.

Pulse Generators produce precise electrical pulses used to control qubits and execute quantum gates in quantum computing.

Integrated quantum computing control systems that combine multiple functionalities, such as signal generation, acquisition, and synchronization, into a single compact unit. Designed for scalability, configurability, and ease of use, these systems are essential for controlling and monitoring qubits in advanced quantum computing setups.

The QRM module has been designed for frequency-multiplexed readout of quantum systems. Combining inputs and outputs in one module makes reflectometry/transmission readout schemes ultimately convenient as the readout pulse and acquisition can be triggered from a single instruction. Arbitrary pulse shapes and arbitrary complex integration functions can be uploaded to suppress crosstalk and optimize measurement efficiency under dynamic readout conditions. Measurements on up to 6 qubits can be multiplexed, however, their timing is completely independent, allowing arbitrary scheduling of measurement operations. Up to 131.072 IQ shots can be stored. Onboard averaging (and binning) can be used to reduce data transfer overhead for averaged experiments that loop over parameters in multiple dimensions.

A Qubit Control Module (QCM) is a baseband signal generator hosting sequence processors for flexible multiplexed driving and tracking of qubits. It is designed for high-fidelity single- and two-qubit control, with advanced sequencing capabilities to optimize characterization experiments and quantum algorithm execution.

Devices specifically designed to generate, manage, or modulate signals for qubit control, including quantum control modules, RF signal generators, and other qubit driving systems.

The Qubit Timetag Module (QTM) adds digital signal generation and acquisition to the Cluster in a module optimized for optically addressable qubits. It generates fast and precisely timed TTL signals for direct laser control while supporting configurable analog thresholding and windowing for photon counting and timetag functionalities. The module integrates signal generation and acquisition into a single control instrument, ensuring inherent synchronization and rendering triggers redundant. It includes eight independent pulse sequence cores, each routed to an input/output channel. Real-time pulse sequencing enables conditional feedback based on photon count measurements to coordinate the continuation of the control sequence.