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The tensile and compressive deformation in porous Mg with unidirectionally oriented cylindrical pores and a unique fiber texture in which the normal direction of the {101¯3} plane was preferentially oriented was studied. Porous Mg specimens with unidirectional pores and texture were prepared by unidirectional solidification in a hydrogen atmosphere using a continuous-casting technique and their quasi-static...
A 50 mm-long Mg:LiNbO3-based quasi-phase-matched adhered ridge waveguide wavelength converter records over 5000%/W SHG normalized conversion efficiency at 8 mum-wide waveguide with a low insertion loss of 4.4 dB for 1550 nm.
A Mg:LiNbO3-based adhered ridge waveguide was fabricated by dry etching on a silicon platform. Efficient QPM-SHG (normalized efficiency: 450%/W) and -DFG (efficiency: -9.8 dB for pump power 38 mW) were achieved in the telecommunication band.
A nonlinear optical device is demonstrated on a silicon substrate for hybrid silicon photonics. Efficient second harmonic generation is achieved at telecommunication wavelength by quasi-phase matching in Mg:LiNbO3 core with a ridge waveguide structure. A normalized conversion efficiency of 220%/Wcm2 is obtained at a fundamental wavelength of 1581.5 nm.
We report a 70-mm-long periodically poled Mg doped near stoichiometric LiNbO3 (PPMgSLN) for optical parametric generation (OPG). OPG was performed at room temperature and the threshold of 12.3 MW/cm2 was obtained at focusing parameter xi=1.5.
Efficient wavelength converter was demonstrated in low-loss adhered ridge waveguide fabricated by dry etching in periodically poled Mg:LN. We obtained highest SHG efficiency of 4500 %/W in telecom band for 32 mm interaction length.
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