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Creators/Authors contains: "Estrella, Steven"

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  1. We demonstrate a Bell state analyzer that operates directly on frequency mismatch. Based on electro-optic modulators and Fourier-transform pulse shapers, our quantum frequency processor design implements interleaved Hadamard gates in discrete frequency modes. Experimental tests on entangled-photon inputs reveal fidelities of ∼<#comment/> 98 %<#comment/> for discriminating between the | Ψ<#comment/> + ⟩<#comment/> and | Ψ<#comment/> −<#comment/> ⟩<#comment/> frequency-bin Bell states. Our approach resolves the tension between wavelength-multiplexed state transport and high-fidelity Bell state measurements, which typically require spectral indistinguishability. 
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  2. null (Ed.)