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Whispering-gallery-mode analysis of phase-matched doubly resonant second-harmonic generation

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Academic year: 2021

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Figure

FIG. 1. The generic structure studied in this work is constituted by a nonlinear microdisk side coupled with a bus waveguide
FIG. 2. The proposed structure is etched in a planar waveguide constituted by a core in Al 28% Ga 72% As and a cladding layer in AlAs
FIG. 5. Enhancement factor ␩ / ␩ 0 as a function of the distance between the bus waveguide and the microdisk calculated for  differ-ent values 共 Q ␻0 , Q 2␻0 兲 of internal Q factors: 共 i 兲 solid triangles 共 7.5 ⫻ 10 4 , 7.5 ⫻ 10 4 兲 , 共 ii 兲 white circles

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