نتایج جستجو برای: poling
تعداد نتایج: 805 فیلتر نتایج به سال:
We propose a method to extend the frequency range of polarization entanglement in periodically poled rubidium-doped potassium titanyl phosphate (Rb:KTP) waveguides. Our calculations predict that output wavelengths from 1130 nm to 1257 nm may be achieved using Rb:KTP by the appropriate selection of a direction of propagation for the waveguide. The fidelity using a poling period of 1 mm is approx...
Sub-micron-sized [Fe(Htrz)(2)(trz)](BF(4))·H(2)O nanoparticles that exhibit a spin crossover transition are positioned between Au electrodes with sub-100 nm separation. After voltage poling, samples exhibit unexpected large conductivity, with photoconductance and photovoltaic behavior.
UV laser-induced poling-inhibition produces inverted domains in LiNbO3 which overlap significantly with waveguide modes. We have observed a 26% enhancement of the effective electro-optic coefficient in such domain-engineered waveguides. OCIS codes: (130.3730) Lithium niobate; (130.0130) Integrated optics; (230.0230) Optical devices
We study resonant light scattering in arrays of channel optical waveguides in which tunable quadratic non-linearity is introduced as nonlinear defects by periodic poling of single (or several) waveguides in the array. We describe novel features of wave scattering that can be observed in this structure and show that it is a good candidate for observation of Fano resonance in nonlinear optics.
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