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A tunable thermo-optic intensity-modulated switch is investigated theoretically and numerically.It is based on the infiltra-tion of temperature-sensitive mixture liquids into index-guiding photonic crystal fibers(PCFs).The switching function attributes to the thermo-optic effect of the effective refractive index of the cladding.The simulation illustrates that the switch presents a tunable transition point according to the concentration of the mixture liquids,and the on-off switching functionality can be realized within a narrow temperature range of 2 oC.The switches have wide application for innovative all-in-fiber optical communication and logic devices.
A tunable thermo-optic intensity-modulated switch is a situated a theoretically and numerically. It is based on the infiltra tion of temperature-sensitive mixtures liquids into index-guiding photonic crystal fibers (PCFs). The switching function attributes to the thermo-optic effect of the effective refractive index of the cladding. The simulation shows that the switch presents a tunable transition point according to the concentration of the mixture liquids, and the on-off switching functionality can be realized within a narrow temperature range of 2 oC. switches have wide application for innovative all-in-fiber optical communication and logic devices.