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We demonstrated CW SHG at 400 nm in a first-order QPM adhered slab waveguide with a periodically-poled Mg-doped stoichiometric lithium tantalate core. The measured SHG normalized conversion efficiency was 34.7%/W for a 20 mm length.
We demonstrated RGB laser sources by optical-parametric-generation using first-order quasi-phase-matched adhered slab waveguides with a periodically-poled Mg-doped stoichiometric lithium tantalate core. We also examined the extensible spectral bandwidth by chirped periods against speckle with simulation.
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