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High quality GaInP nonlinear photonic crystals with minimized nonlinear absorption
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Image of FIG. 1.
FIG. 1.

(a) SEM image of the PhC membrane made of GaInP. (b) Resonant lineshape of the PhC cavity. The full width at half maximum giving the loaded Q-factor is estimated using a Lorentzian fit. Inset: transmission spectrum of the waveguide side-coupled to the cavity; the measurement of the dip allows the estimate of the intrinsic Q.

Image of FIG. 2.
FIG. 2.

Nonlinear properties: theoretical dependence of TPA (a) and Kerr coefficient, , (b) from Ref. 13. Solid thick line: GaInP, thin line: , dashed line: the wavelength of interest, . (c) Output (corrected with coupling loss) vs coupled peak power in GaAs and GaInP waveguides. (d) Inverse squared transmission vs coupled peak power in the GaInP waveguide for modes with group index . The circles are experimental data and the line is modeling.

Image of FIG. 3.
FIG. 3.

Nonlinear phase effects. Theoretical (solid line) and measured (markers) spectra at the input and output of the waveguide for . Spectral width (rms) vs coupled peak power , experimental data (markers) and theory (solid). Dashed lines indicate the value of the power for a phase shift.


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Table I.

SPM coefficient in different nonlinear systems.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: High quality GaInP nonlinear photonic crystals with minimized nonlinear absorption