High-Efficient Generation of Nonlinear Optical Effects in Semiconductor Nanowaveguides
2021
Nonlinear optical effects, including second- and third-harmonic generation, and multi-photon luminescence, are found to be excited much more efficiently via evanescent wave coupling. Taking this advantage, we establish a microfiber-based compact device to extract the magnitude and phase information of ultrafast pulse laser. The sensitivity of this configuration can be down to femto-joule level.
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