Simple Method to Simultaneous Characterize Two-Photon Absorption Coefficient and Carrier Lifetime in Silicon Waveguides
2016
We propose a method to simultaneously measure the two-photon absorption (TPA) coefficient and free-carrier lifetime in silicon waveguides using long pulses, revealing a 1.44-ns lifetime and a 0.77-cm/GW TPA coefficient for a fully-etched waveguide.
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