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Quantum photonics roadmap — how Xanadu and PsiQuantum are looking to transfer qubits through beams of light

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Tom's Hardware

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Quantum photonics is explored as a method for transferring qubits through light beams, focusing on Xanadu and PsiQuantum. Xanadu, aiming for a Nasdaq listing, uses continuous-variable encoding, while PsiQuantum employs a dual-rail encoding approach. Quantum photonics offers advantages like room temperature operation and less susceptibility to interference but faces challenges such as photon loss. Xanadu and PsiQuantum are working towards fault-tolerant quantum computing, with Xanadu demonstrating advancements in GKP qubits and PsiQuantum aiming for a 1 million-plus qubit design. Both companies are navigating the complexities of quantum mechanics and the capital-intensive nature of quantum technology development.

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