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We present a summary of our recent experiments showing how various nonlinear phenomena are enhanced due to slow light in silicon photonic crystal waveguides. These nonlinear processes include self-phase modulation (SPM), two-photon absorption (TPA), free-carrier related effects, and third-harmonic generation, the last effect being associated with the emission of green visible light, an unexpected...
We report all-optical in-band OSNR monitoring at 160 Gb/s via slow-light enhanced third harmonic generation in a 2D silicon photonic crystal waveguide, achieving better performance than quadratic methods.
We report visible (green) third-harmonic generation in silicon by launching near-infrared picosecond pulses into highly confined photonic crystal waveguides. We demonstrate slow light enhancement of this nonlinear process.
We report optical performance monitoring via slow-light enhanced third harmonic generation in a 2D silicon photonic crystal waveguide. We achieve all-optical in-band OSNR monitoring of a 40Gb/s Return-to-Zero signal with significantly better performance than methods based on quadratic response functions.
We report visible (green) third-harmonic generation in silicon by launching near-infrared picosecond pulses into highly confined photonic crystal waveguides. We demonstrate slow light enhancement of this nonlinear process.
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