Abstract

Photonic crystal fibers (PCFs) as a special type of optical fibers have a wide range of applications including fiber lasers, amplifiers, telecom components, fiber-optic sensors of various kinds and quantum optics. Chromatic dispersion (CD), which is one of the PCFs' most important parameters, plays key roles in its performance and the device which is made of it. Due to the diversity of PCFs' structure and study of its relevant devices, the precision measurement of PCFs' CD is particularly important. Based on the analysis of CD measurement method, a set of experimental system for measuring PCFs' CD value was developed by using white-light Michelson interferometry. The maximum CD is 1000ps/nm using this system. The algorithms of extracting the CD from the interference spectra were studied. Experiments were carried out to measure the PCFs' CD value based on the CD measurement system. The experimental results show that: the CD value of PCF is -25.8634 ps/(nm • km) at 1300nm wavelength.

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