FEATURE
We believe faulttolerant quantum computing will become a foundational part of how customers solve their hardest computational problems on AWS.
If successful, Libra would represent one of the first cloud-accessible fault-tolerant quantum computers available to enterprises, research institutions and government organisations worldwide.
The significance of fault-tolerant quantum computing cannot be overstated. While current quantum computers have demonstrated impressive capabilities, they remain highly susceptible to errors caused by environmental noise, hardware imperfections and the fragile nature of quantum states. These limitations restrict the complexity and duration of calculations that can be performed before results become unreliable.
Fault-tolerant systems aim to overcome these challenges through sophisticated quantum error correction techniques that allow computations to continue even when individual quantum components fail. The result is the potential to run longer, deeper and more reliable quantum algorithms capable of addressing problems beyond the practical reach of classical computing.
For organisations exploring advanced computing technologies, the implications could be substantial. Future applications may include molecular simulation for drug discovery, materials science research, optimisation problems across logistics and manufacturing, and advanced modelling challenges that become prohibitively expensive using conventional computing approaches.
At the centre of QuEra ' s roadmap is Libra, described as a megaquop-class system. The term refers to a machine capable of performing approximately one million reliable logical quantum operations. According to QuEra, this represents a crucial threshold because useful quantum applications depend not only on the number of logical qubits available but also on the number of operations that can be executed before errors accumulate and compromise the calculation.
The planned system is expected to feature more than 256 error-corrected logical qubits and a logical error rate of 10-6 or approximately one error in one million operations. Such specifications would place Libra among the most advanced fault-tolerant quantum systems currently planned for deployment.
Andy Ory, CEO, QuEra Computing, believes the industry is entering a new phase.
" Fault-tolerant quantum computing is moving from a scientific milestone to an engineering and deployment roadmap," said Ory.
" We have executed this roadmap in the open, with peer-reviewed milestones and validated system advances. Libra brings fault-tolerant computing to the cloud at scale in 2028. It is an important step forward, and subsequent generations will scale even further, as we will reveal in our roadmap webinar later this month. We are inviting leaders to engage now so they can build the talent, use cases and workflows needed to be ready when these systems come online."
The announcement also deepens a relationship between QuEra and AWS that has been evolving for several years.
AWS launched Amazon Braket in 2020 as a managed service providing cloud access to a range of quantum computing technologies. The platform allows developers, researchers and enterprises to experiment with quantum algorithms while integrating them with existing cloud infrastructure and classical computing resources.
QuEra became part of that ecosystem in 2022 when its Aquila quantum computer was introduced on Amazon Braket. Aquila, a 256-physical-qubit neutral-atom system, provided researchers with access to one of the largest publicly available neutral-atom quantum processors.
Since then, both organisations have observed growing customer interest in quantum applications spanning quantum reservoir computing, financial optimisation algorithms, high-energy physics simulations and advanced scientific research.
The expanded partnership now focuses on bringing fault-tolerant capabilities to the platform.
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