Publications de Ezgi Sahin | EPFL Graph Search

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Spectral tunability methods used in optical communications and signal processing leveraging optical, electrical, and acousto-optic effects typically involve spectral truncation that results in energy loss. Here we demonstrate temperature tunable spectral b ...

Difference-frequency generation (DFG) is elemental for nonlinear parametric processes such as optical parametric oscillation and is instrumental for generating coherent light at long wavelengths, especially in the middle infrared. Second-order nonlinear fr ...

Emerging compositionally engineered complementary metal-oxide-semiconductor (CMOS)-compatible platforms have been employed for high efficiencies in various on-chip applications, including optical parametric amplification and wavelength conversion. Combinin ...

All-optical poling leads to an effective second-order nonlinearity (chi((2))) in centrosymmetric materials without the need for sophisticated fabrication techniques or material processing, through the periodic self-organization of the charges. The absence ...

Ezgi Sahin

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Thermo-optically tunable spectral broadening in a nonlinear ultra-silicon-rich nitride Bragg grating

Difference-frequency generation in optically poled silicon nitride waveguides

Optical parametric gain in CMOS-compatible sub-100 mu m photonic crystal waveguides

Difference frequency generation in optically poled silicon nitride waveguides

Difference-frequency generation in silicon nitride waveguides based on all-optical poling