Abstract
We demonstrate double-resonantly enhanced SH harmonic generation at 402 ± 0.5 nm of encapsulated WS2-flakes, as shown in Figure 1b+c, pumped at 805 ± 1 nm, including quadratic energy dependency and polarization dependency and discuss possible generalization schemes. The resonator is implemented as a monolithic element composed of a pair of DBRs and a dielectric spacer, which contains a layer of monolayer crystals.
© 2021 The Author(s)
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