摘要

The design of multichannel optical filter is studied theoretically. New efficient two-step method based on combination of 6-th moment minimization and straightforward numerical minimization is developed. It is applied to find a fiber Bragg grating profile with minimal refractive index variation for 5 divided by 32 channels. Obtained results are closer to the theoretical limit than previously reported.

  • 出版日期2011-3-15