![]() ![]() Our work developing Quantum Firmware is squarely focused on addressing this challenge via quantum control. Q-CTRL uses quantum control to make quantum computing hardware more resilient against errors without actually changing the underlying hardware. The susceptibility of quantum computing hardware to this form of degradation currently represents the primary bottleneck in building more useful systems. Starting with quantum computing, we focus on building tools and techniques that stabilize quantum computing devices against degradation - a process known as decoherence. While the problems targeted vary, the objective is always to improve the utility of quantum hardware. What types? Everything from quantum sensors in aerospace and defense to quantum computers constructed from every candidate technology superconducting circuits, Silicon devices, and trapped atoms and ions. Q-CTRL specializes in advancing the field of quantum control in order to deliver new or enhanced performance in quantum hardware. HOW IS Q-CTRL ADVANCING THE FIELD OF QUANTUM CONTROL? Today, quantum control is an independent research discipline addressing some of the most pressing challenges in the manipulation of quantum coherent hardware across all applications. the improving the loading of atoms into a trap). More recently, quantum optimal control methods have become powerful tools for optimizing quantum experimental systems in advance of their use in various applications (e.g. That included both the treatment of linear systems, such as quantum harmonic oscillators, and the development of numeric techniques for effectively manipulating spin systems using imperfect hardware. This discovery was a major first step and was followed by the emergence of a parallel research discipline in the 1980s that sought to adapt the concepts and numeric tools from control engineering to the strictures of quantum-coherent devices. Then, in 1950, Erwin Hahn demonstrated that an early quantum-control protocol now known as the Hahn echo could mitigate the impacts of magnetic field inhomogeneities on spectroscopic resolution. In those disciplines, hardware imperfections limited the ability to spectroscopically characterize molecules. The field of quantum control largely owes its existence to decades of research in nuclear magnetic resonance and electron paramagnetic resonance, in which semiclassical magnetizations formed from nuclear or electronic spins are manipulated using pulses of resonant RF or microwave radiation. It guides researchers in gaining information about system dynamics through measurements and enabling useful performance in computing, sensing, and metrology. Quantum control is a discipline that addresses the following question How can systems that obey the laws of quantum mechanics be efficiently manipulated to create desired behaviors? Ultimately, quantum control is concerned with how the classical world interacts with quantum devices. In this short overview we provide insight into the foundations of quantum control and its role in the quantum tech industry. Q-CTRL is using quantum control to solve the hardest problems facing quantum technology, improving hardware performance and accelerating pathways to useful quantum computers and other devices. ![]() Fast forward over 100 years and, once again, control is the linchpin of an emerging industry - the quantum technology industry. ![]() Embracing the importance of control theory was integral to making flight a reality. ![]()
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