ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2026
Efficient Polarization-Entangled Photon-Pair Generation by a Fiber-In-Line van der Waals Material.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The recent emergence of van der Waals (vdW) materials with exceptional optical nonlinearity has driven advances in next-generation nonlinear photonic devices beyond classical optics. While integrating these materials into fiber-optic platforms offers unprecedented functionalities in quantum systems, realizing telecom-band in-line photon-pair sources based on highly nonlinear vdW materials remains challenging. Here, we report photon-pair generation centered at telecom wavelength via spontaneous parametric down-conversion in a fiber-integrated device incorporating a ferroelectric vdW crystal, SnP
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