Using modal phase matching, a continuous wave, wavelength tunable second harmonic
source is experimentally demonstrated at telecommunication wavelengths. The sub-micron …

We report modal phase matched (MPM) second harmonic generation (SHG) in high-index
contrast AlGaAs sub-micron ridge waveguides, by way of sub-mW continuous wave powers …

We analyze phase matching with reference to frequency doubling in nanosized quadratic
waveguides encompassing form birefringence and supporting cross-polarized fundamental …

We report the observation of continuous-wave second-harmonic generation in a
modalphase-matched GaAs/AlGaAs waveguide. The heterostructure has been designed to …

We utilize modal phase matching and type-I configuration to achieve second harmonic
generation in AlGaAs-on-insulator waveguides. We demonstrate an overall normalized …

We have fabricated high-quality periodically-inverted AlGaAs ridge waveguides by
introducing the low temperature MBE growth process, and achieved relatively low …

We have proposed and designed zigzag-folded U-shaped waveguides to realize highly
efficient wavelength conversion with an extremely small footprint. Extreme high efficiencies …

Gallium arsenide is an outstanding nonlinear optical material, thanks to its high second-
order nonlinear coefficient, wide transparency in the infrared, and possibility of integration …

Fabrication of AlGaAs/Alox Waveguides with Inversion-Stacked Core Structure for Higher- Order
Modal-Phase Matching Devices Page 1 Abstract We have proposed and fabricated …

We demonstrate second-harmonic generation (SHG) from sub-micrometer-sized
AlGaAs/Al_xO_y artificially birefringent waveguides. The normalized conversion efficiency is …