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Simon Benjamin

05/26/18

@ Y Combinator

We can create qubits that are entangled at 90% quality, but we can store them practically forever, allowing us to enhance their quality through a process similar to improving a staticky communication channel.

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Simon Benjamin on Architectures for Quantum Computing

@ Y Combinator

Simon Benjamin on Architectures for Quantum Computing

05/26/18

Related Takeaways

Simon Benjamin

05/26/18

@ Y Combinator

Achieving high fidelity in qubit operations is crucial; the Oxford team has reached a fidelity of 99.9%, which is essential for reliable quantum computing operations.

Simon Benjamin

05/26/18

@ Y Combinator

As long as the quantum modules have good memory and quality internal operations, we can take a poor quality link and enhance it to function as a high-quality link.

John Preskill

05/16/18

@ Y Combinator

The coherence time of a qubit, which indicates how long it can interact with the outside world, has improved significantly, increasing about tenfold every three years over the past 15 years.

John Preskill

05/16/18

@ Y Combinator

In the mid-90s, we developed quantum error correction theory, which encodes quantum states in a way that protects them from environmental interactions, ensuring they remain robust.

John Preskill

05/16/18

@ Y Combinator

The key to effective quantum computing is ensuring qubits interact as desired, rather than just focusing on increasing coherence times.

Simon Benjamin

05/26/18

@ Y Combinator

By sacrificing one low-quality Bell pair, we can boost the quality of another, effectively creating a better communication link between quantum modules.

Simon Benjamin

05/26/18

@ Y Combinator

Network approaches to quantum computing enable any qubit to link with any other qubit, enhancing connectivity and power, despite the increased risk of errors if not managed correctly.

Simon Benjamin

05/26/18

@ Y Combinator

Qubits, the building blocks of quantum technology, are inherently unstable and tend to collapse to a single state, making them difficult to control compared to classical bits.

John Preskill

05/16/18

@ Y Combinator

Quantum entanglement is a key property that allows information to be stored in the correlations between parts of a quantum system, making it difficult to access that information by examining individual parts.