Use of a sampled Bragg grating as an in-fiber optical resonator for the realization of a referencing optical frequency scale for WDM communications

摘要

Standardization for absolute laser frequency assignment in projected dense wavelength-division multiplexing (DWDM) networks has become a very important issue. Recently, we have proposed a referencing scale of standard optical frequencies that are exact multiples of 100 GHz.~1 Such a scale is independent of the atomic or molecular reference used to set the absolute value and is uniformly applicable to all spectral ranges.