Sum-frequency generation and photon-pair creation in AlGaAs nano-disks
Marino, Giuseppe; Solntsev, Alexander; Xu, Lei; Gili, Valerio F.; Carletti, Luca; Poddubny, Alexander; Smirnova, Daria; Chen, Haitao; Zhang, Guoquan; Zayats, Anatoly V.; De Angelis, Constantino; Leo, Giuseppe; Kivshar, Yuri; Sukhorukov, Andrey; Neshev, Dragomir
All-dielectric and semiconductor nonlinear nanophotonics is an emerging field enabling efficient optical interactions between magnetic and electric resonances at sub-wavelength scales, thereby achieving high directionality and high figures of merit due to very low losses [1, 2]. It was shown that AlGaAs nanodisks with quadratic nonlinear susceptibility can provide second harmonic generation (SHG) with record-high efficiency of 10 -4 , opening to a wide range of possible applications,...[Show more]
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