A cascade of waveguide-coupled Lambda emitters can count photons by routing one photon per emitter to its own detector, and can outperform standard beamsplitter-based photon-number-resolving detectors at strong coupling.
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Photon-Number-Resolving Detector Based on a Cascade of Waveguide-Coupled Quantum Emitters
A cascade of waveguide-coupled Lambda emitters can count photons by routing one photon per emitter to its own detector, and can outperform standard beamsplitter-based photon-number-resolving detectors at strong coupling.