Engineering resonant interband transitions in a GaAs/AlGaAs heterostructure combined with a high-Q metasurface boosts the effective second-order nonlinearity to ~14 nm/V at 1.57 μm.
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2 Pith papers cite this work. Polarity classification is still indexing.
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Thin-film lithium niobate generates tunable polarization-entangled photon pairs at telecom wavelengths by controlling pump polarization via crystal symmetry.
citing papers explorer
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Quantum-Well-Metasurface to Maximize Nonlinear Polarization
Engineering resonant interband transitions in a GaAs/AlGaAs heterostructure combined with a high-Q metasurface boosts the effective second-order nonlinearity to ~14 nm/V at 1.57 μm.
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Generation of Tunable Entanglement from Thin-Film Lithium Niobate
Thin-film lithium niobate generates tunable polarization-entangled photon pairs at telecom wavelengths by controlling pump polarization via crystal symmetry.