John Preskill
Showing 1–2 of 2 transcripts.
- Y Combinator1h 19m
Simon Benjamin on Architectures for Quantum Computing
Simon Benjamin, John Preskill, Craig Cannon
Driven by experimental progress surpassing the 99% fault-tolerance threshold, Oxford University's ion trap systems now achieve 99.9% gate fidelity, enabling the first viable implementations of quantum error correction. The research team proposes a modular networking architecture that links high-fidelity units via optical fibers and entanglement purification to scale toward useful applications like molecular simulation while avoiding the engineering bottlenecks of monolithic designs. By addressing hardware limitations through this approach, the project aims to demonstrate a fully linked two-module system within a year, bridging the gap between current quantum supremacy demonstrations and future large-scale computational utility.
- Y Combinator1h 33m
John Preskill on Quantum Computing
John Preskill, Steven Hawking, Kip Thorne, Craig Cannon
Established by Richard Feynman's early theoretical work, the field of quantum computing has evolved from theoretical challenges in the 1970s to a practical reality enabled by mid-1990s error correction and recent hardware advancements in superconducting and trapped-ion systems. As current devices approach 100 qubits, they are poised to disrupt public-key cryptography through Shor's algorithm while simultaneously offering transformative capabilities in quantum chemistry simulation and materials science. The industry now focuses on bridging these applications through hybrid classical-quantum systems and developing post-quantum security measures to address the imminent threat to existing encryption standards.