Wide passband tandem MZI-synchronized AWG employing mode converter and multimode waveguide

Manabu Oguma; Shin Kamei; Tsutomu Kitoh; Toshihiko Hashimoto; Yohei Sakamaki; Mikitaka Itoh; Hiroshi Takahashi

doi:10.1587/elex.7.823

LETTER

Wide passband tandem MZI-synchronized AWG employing mode converter and multimode waveguide

Manabu Oguma, Shin Kamei, Tsutomu Kitoh, Toshihiko Hashimoto, Yohei Sakamaki, Mikitaka Itoh, Hiroshi Takahashi

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Keywords: AWG, MZI, mode converter, PLC, synchronized AWG

JOURNAL FREE ACCESS

2010 Volume 7 Issue 11 Pages 823-826

DOI https://doi.org/10.1587/elex.7.823

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Abstract

We have successfully demonstrated an AWG with a wide and rectangular passband by introducing a new concept using 0th and 1st order modes. An interference circuit consisting of a tandem MZI and a mode converter at the entrance of the 1st slab waveguide perturbs the input light field, thus attaining a 0.5-dB bandwidth of 69% relative to its channel spacing.

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