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In recent years,silicon photonics has become a rapidly growing area.The nonlinear effects in silicon-on-insulator (SOI) waveguides are attracting attention because of the large values of the Kerr parameter and the tight confinement of the optical mode,which can be used to develop different highly integrated multifunctional devices that perform both optical and electrical operations on a single low-cost chip,such as laser,amplifier,modulator,wavelength converter,and optical parametric oscillator.