High-nonlinearity micro-ring waveguide optical device
A waveguide light and microring technology, applied in nonlinear optics, instruments, optics, etc., can solve problems such as improving microring waveguide optical devices, and achieve the effects of enhancing nonlinear effects, improving efficiency, and reducing thresholds
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[0031] Such as image 3 , 4 As shown, the pump light source or signal light source is laterally coupled into the parallel slot ring resonator 1 through the straight waveguide 2 (the pump light source or signal light source can be coupled into the straight waveguide 2 through the grating or tapered waveguide). When the light is coupled into the parallel slot ring resonator 1, due to the slot structure, with its high refractive index difference and strong optical confinement, the light intensity in the slot area reaches very strong, coupled with the resonance effect of the microring, at a lower Under the pump optical power, various nonlinear effects in the slot structure ring resonator are enhanced, the threshold is reduced, the efficiency is improved, and its high nonlinear effect can be used for all-optical signal processing. When the pump laser is coupled into the resonator, its energy exceeds the threshold of its parametric oscillation, and a new frequency will be excited t...
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