DOE OSTI · 3002742
A single-photon polarization-frequency controlled-NOT gate
Abstract
We develop a high-fidelity controlled-NOT gate between photonic polarization and frequency, leveraging direction-dependent electro-optic phase modulation in a fiber Sagnac loop. This design could facilitate massively parallelizable entanglement distillation with polarization-frequency resources in lightwave networks.
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Lu, Hsuan-Hao [ORNL] (ORCID:0000000340090787), Lukens, Joseph [ORNL] (ORCID:0000000196504462), Alshowkan, Muneer [ORNL] (ORCID:0000000264293450), Kirby, Brian T [U.S. Army Research Laboratory, Adelphi, MD], Peters, Nicholas [ORNL] (ORCID:0000000272159630). 2025-05-01. A single-photon polarization-frequency controlled-NOT gate. https://doi.org/10.1364/cleo_fs.2025.ff105_3
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