University Kaiserslautern Advances Quantum Computing with New DDS Firmware Option

University Kaiserslautern accelerates quantum computing research using a new DDS firmware option, streamlining qubit manipulation and control.

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Quantum Computing, DDS Firmware

In a significant leap forward for quantum computing research, University Kaiserslautern has announced a breakthrough in their Quantum Computer (QC) development, facilitated by a novel Direct Digital Syntheses (DDS) firmware option from Spectrum Instrumentation. This advancement promises to revolutionize the way qubits are manipulated and controlled within the Rymax One collaboration, bringing unprecedented simplicity and efficiency to the process.


The traditional approach of using lasers to trap individual atoms as qubits in a quantum computer has been laborious, requiring intricate programming and vast amounts of data. However, with the introduction of the DDS firmware option, the complexity has been dramatically reduced, allowing for precise control with minimal programming.

Dipl.-Phys. Jonas Witzenrath from University Kaiserslautern commented, "This is making a huge difference to the progress of our research. Using the new DDS option, we have been able to make rapid progress and reduce the complexity in the system allowing us to focus on advancing the research."

The DDS firmware option enables researchers to control the position of lasers with simple commands, streamlining the process of moving and holding atoms in place. Witzenrath highlighted the next phase of their research, which involves reordering atoms in a static two-dimensional array using the dynamic capabilities of the DDS firmware.


Furthermore, the university plans to utilize Arbitrary Waveform Generators (AWGs) from Spectrum Instrumentation to shape ideal UV laser pulses for precise qubit interactions, indicating a multifaceted application of the DDS technology.

The DDS firmware option allows for the generation of arbitrary periodic sine waves with remarkable flexibility. With up to 23 DDS cores per AWG card, users can define parameters such as frequency, amplitude, phase, and slopes, offering precise control over experimental setups. This capability is crucial for projects like Rymax One's quantum optimization algorithms.

The Rymax One collaboration focuses on quantum optimization problems, utilizing individual Ytterbium atoms trapped in a Rydberg state for analog quantum computing. Spectrum Instrumentation's expertise in dynamic control over laser light and RF-signals complements the project's requirements perfectly.


Spectrum Instrumentation's AWG cards were chosen for their exceptional analog performance, large memory, and high transfer speed onto the card, essential for real-time experiments in quantum computing. The DDS firmware option enables commands with minimal latency, ensuring precise control without inaccuracies.

In addition to quantum computing, the DDS firmware option opens up possibilities for various signal generation applications beyond the QC project, showcasing its versatility in research laboratories.