Quantum Hardware Startups to Watch in 2025 As the quantum race accelerates, hardware is becoming the true battleground. While major players like IBM and Google continue to innovate, a new wave of startups is rising with revolutionary technologies in cryogenics, qubit control, and quantum chip design. In 2025, these startups are not just filling niches—they're shaping the industry's next leap. 1. PsiQuantum – Betting on Photonic Qubits Based in Palo Alto, PsiQuantum is building a fault-tolerant quantum computer using photonic qubits, which are more stable and scalable than traditional superconducting models. Their approach promises room-temperature operation and seamless integration into existing infrastructure. 2. Rigetti Computing – Scalable Quantum Chips Rigetti is developing quantum integrated circuits with a focus on hybrid architectures. Their Aspen-series chips combine quantum and classical elements for performance optimization. Rigetti also offers a...
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