aiqbench takeQuantum Computing

Quandela and C2N have demonstrated 88% indistinguishability between photons from independent quantum dot sources without spectral filtering, a critical milestone for scaling photonic quantum processors. By leveraging precise fabrication and post-fabrication tuning, this breakthrough enables high-fidelity entangling operations necessary for growing quantum computer power. This advancement directly supports the viability of Spin-Optical Quantum Computing architectures by treating multiple sources as a unified quantum resource.

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Single-Photon Sources Hit 88% Indistinguishability, Enabling Scalable Qubits

Quantum ZeitgeistMay 31, 20264 min read

Researchers achieved 88% indistinguishability between photons from independent quantum dot sources, a key step for scalable photonic quantum.

Researchers at Quandela and C2N have achieved 88 ± 1% indistinguishability between photons originating from independent quantum dot sources without relying on spectral filtering, a critical advancement for building scalable photonic quantum computers. This breakthrough addresses a longstanding technical hurdle in the field, where ensuring photons from multiple sources behave identically has proven exceptionally difficult. The work focuses on enabling the Spin-Optical Quantum Computing (SPOQC) architecture, where…

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