Single-photon generation by correlated loss in a three-core optical fiber.
We demonstrate that by an asymmetric coupling of two nonlinear waveguiding cores to the third strongly absorptive core, it is possible to realize single-photon generation on demand from an input coherent state. This three-core fiber setup can also be implemented for achieving strong photon-number squeezing even for large losses in side cores.
Institute of Physics, Belarus National Academy of Sciences, F. Skarina Avenue 68, Minsk 220072 Belarus. mogilev@ifanbel.bas‑net.by
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Mogilevtsev
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Shchesnovich