Alice & Bob envisions a future transformed by the practical power of universal, fault-tolerant quantum computing. We are dedicated to pioneering quantum technologies that make this future accessible and impactful, driven by our revolutionary cat qubit architecture which significantly reduces the complexity of quantum hardware.
By merging the brightest minds from academia with industry insight, we strive to bridge the gap between theoretical quantum science and real-world applications. Our cloud-based access empowers global researchers and enterprises to harness quantum systems today, advancing innovation across sectors like healthcare and agriculture.
We are building more than machines; we are creating the foundation for new computational paradigms that will redefine problem-solving and unlock breakthroughs across industries. Our pursuit is nothing less than shaping the quantum future to drive meaningful change for society and industry alike.
Our Review
When we first encountered Alice & Bob, we were immediately struck by their ambitious yet methodical approach to quantum computing. This isn't just another quantum startup making bold promises – they're tackling one of the field's biggest challenges head-on with their innovative cat qubit technology.
A Game-Changing Approach
What really caught our attention is their cat qubit architecture, which could reduce hardware requirements by up to 200 times compared to traditional approaches. That's not just an incremental improvement – it's a potential paradigm shift in how we build quantum computers.
We're particularly impressed by their steady stream of breakthrough achievements. In 2022, they demonstrated their first cat qubit chip and achieved a world record of 100 seconds without bit-flip error. That's the kind of concrete progress that separates serious contenders from speculative players in the quantum space.
Growing with Purpose
Their growth trajectory tells a compelling story. From a small team of 10 researchers in 2021 to over 150 employees across 17 countries today, they've scaled thoughtfully while maintaining their technical edge. The recent opening of their Boston office signals their global ambitions.
What's especially encouraging is their significant funding success – €130 million raised to date – showing strong investor confidence in their approach. This isn't just about having deep pockets; it's about having the resources to execute their ambitious roadmap.
Where They Really Shine
We believe Alice & Bob's strongest asset is their practical focus on accessibility. Their Felis Cloud platform democratizes access to quantum computing, allowing researchers and developers to experiment with cat qubit systems from anywhere in the world. This open approach to innovation could accelerate the field's development significantly.
While their ultimate goal of delivering a 100-logic qubit quantum computer by 2030 is ambitious, their methodical progress and scientific rigor give us confidence. They're not just chasing headlines – they're building a sustainable path to practical quantum computing.
Features
Proprietary cat qubit quantum computing technology
Felis Cloud: Open access to cat qubit systems via cloud
The Box: Consulting services for quantum strategy and solutions
Graphene: Roadmap for 100-logic qubit quantum computer
Built-in error correction with cat qubits reducing hardware needs by up to 200x
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Ploy was founded in 2024.
Alice & Bob is a quantum computing company based in Paris and Boston whose goal is to create the first universal, fault-tolerant quantum computer. Founded in 2020, Alice & Bob has raised €180 million in funding and employs more than 250 people. Advised by Nobel Prize winning researchers, we specialize in cat qubits, a technology developed by the company’s founders. Demonstrating the power of its cat architecture, we also recently showed that it could reduce the hardware requirements for building a useful large-scale quantum computer up to 200 times compared with competing approaches. Check open positions: bit.ly/joinusatAB
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