View this #Spotlight by Galan Moody of #OPG_OpticaQ: A compact, robust, and tunable open microcavity platform for solid-state quantum electrodynamics https://bit.ly/4xmBZGZ #PrintedCircuitBoards #PhotonicQuantumComputing 💡⚛️

ROTONIUM SRL patent filing describes a photonic quantum computing module using orbital angular momentum modes to implement universal quantum gates with minimal photon losses in silicon-on-insulator waveguides.

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Xanadu Aurora Scalable Photonic Quantum Computer (S4 E32)

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Photonic quantum computing: Light itself might prove more practical and scalable.

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UC Berkeley researchers demonstrated an 80-channel photonic quantum pair source on lithium niobate—the highest number of channels demonstrated to date. The platform achieves 125.7 kHz/μW pair generation and enables scalable quantum applications.

#QuantumPhotonics #PhotonicQuantumComputing #Research

Real-time FPGA feedforward system achieves 196ns latency with >95% quantum efficiency homodyne detection, enabling scalable continuous-variable measurement-based quantum computing for Gaussian Boson Sampling and photonic simulations.

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University of Edinburgh researchers achieved 99.72% two-qubit fusion fidelity using tree-encoded fusion, substantially mitigating photon loss errors and enabling more complex quantum algorithms on photonic systems.

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New type-I fusion gate achieves 75% success probability using only 4 ancillary single photons and passive linear optics—eliminating costly entangled Bell-pair ancillas. Reduces photon overhead for large entangled state generation by up to 2x.

#PhotonicQuantumComputing #LinearOptics #Research

Xanadu detailed Aurora—claimed first networked modular photonic quantum computer—and PennyLane software at its 2026 Analyst Day, targeting commercialization by 2029+ with a $3.1B pro forma valuation via Crane Harbor SPAC merger.

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Novel hybrid multiplexing scheme using active time-bin delays and passive fiber Bragg grating arrays achieves ~2000x improvement in multi-photon generation rates, targeting 8-photon states at ~1 kHz with commercially available hardware.

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