Abstract
This study proposes an ultracompact and highly sensitive liquid-filled photonic crystal fiber Michelson interferometer (LF-PCFMI) based on material dispersion engineering. Numerical simulations and experimental measurements are performed in the work, and both of their results show that the temperature sensitivity can be more greatly improved than those of conventional photonic crystal fiber interferometers (PCFIs). The experimental results indicate that a very high sensitivity with interference wavelength shifts of almost 27nm within temperature variation of 5°C has been achieved by the configuration. Numerical analysis for the proposed LF-PCFMI also exhibits a good agreement with the results of the experimental measurements.
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