Highly tunable mismatched twin-core fibre filters

Abstract

We demonstrated a reproducible and accurate way for adjusting wavelength of mismatched twin-core filters over few hundred nanometres from the same fibre design. The wavelength control together with strength control by fibre length adjustment allows complex filter profiles to be implemented by cascading. These filters are highly stable to changes in temperature and strain.

ECOC '98 Madrid Spain 20-24 Sep (1998)

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