英伟达，再次杀入量子计算

Core Insights - PsiQuantum has completed a $1 billion Series E funding round, with a post-money valuation of $7 billion, aimed at building the world's first commercially viable fault-tolerant quantum computer [2][3] - Nvidia's venture capital arm has invested in PsiQuantum, marking its second investment in the quantum computing sector within a short timeframe [1][5] - The company plans to use the new funds to develop large-scale prototype systems and enhance the performance of its quantum photonic chips and fault-tolerant architecture [2][3] Company Overview - PsiQuantum was founded in 2016 by Jeremy O'Brien and three other scholars, focusing on creating a quantum computer with 1 million qubits capable of fault-tolerant operations [2][3] - The company differentiates itself by using massless photons as qubits, referred to as "flying qubits," which offer unique advantages over traditional qubit materials [3] Investment and Strategic Partnerships - Major investors in the recent funding round include BlackRock, Temasek, and Baillie Gifford, along with new entrants like Macquarie Capital and Qatar Investment Authority [2] - Nvidia has established a strategic partnership with PsiQuantum to collaborate on quantum algorithms, software, and the integration of quantum hardware with AI chips [5] Industry Context - Quantum computing is anticipated to revolutionize various industries, including pharmaceuticals, finance, and communications, by fundamentally altering their underlying logic [3] - The quantum computing sector is experiencing a surge in investment, with other companies like IQM and Infleqtion also securing significant funding recently [6]