Nanosecond-scale All-Optical Ti3C2T X -Mxene Modulator
Applied physics express(2022)
摘要
Inspired by recent advancements of graphene-based ultrafast photonic devices, Ti3C2T x -MXene, as a graphene-like two-dimensional layer-structure material, has gained extensive interest in nonlinear optical applications, especially in all-optical intensity modulation. Herein, we successfully fabricated an all-optical modulator based on Ti3C2T x -Mxene/polyvinyl-alcohol film with nanosecond-scale response time, modulation speed of 100 kHz, and modulation depth of 10%. Furthermore, the variation of fall edges of modulated signal pulse caused by thermo-optic effect under different pump power was also observed. Considering the ease of fabrication, low cost, and ease of integration, the proposed modulator may open the door for high-speed all-optical communications and signal processing.
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关键词
Ti(3)C(2)Tx-MXene,all-optical,modulation,nanosecond-scale
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