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Nonperiodic Optical Superlattice Lithium Niobate Waveguides for the Generation of Polarization Entanglement

: Chung, H.-P.; Lugani, J.; Su, W.-C.; Kumar, P.; Le, Y.-T.; Pertsch, T.; Setzpfandt, F.; Chen, Y.-H.


Optical Society of America -OSA-, Washington/D.C.:
CLEO: Applications and Technology 2020 : Part of CLEO 2020, 10-15 May 2020, Washington, DC United States
Washington, D.C.: OSA, 2020
ISBN: 978-1-943580-76-7
Paper JTh2A.25
Conference on Lasers and Electro-Optics - Applications and Technology (CLEO A&T) <2020, Online>
Conference Paper
Fraunhofer IOF ()
correlated photon pairs; genetic algorithms; lithium; niobium compound; polarization

We implement a nondegenerate polarization-correlated photon-pair source on titanium-diffused nonperiodically-poled lithium niobate waveguides. The nonperiodic domains are optimized using genetic algorithm to maximize and equalize efficiencies of the spontaneous parametric down-conversion processes.