Implementation of tapered multimode interference lightwave combiner on silicon-on-insulator substrate with negligible back-reflection

Zhigang Wu*, Kazuhiko Nakamura, Soichiro Honda, Katsuyuki Utaka, Tomohiko Edura, Ken Tsutsui, Yasuo Wada

*この研究の対応する著者

研究成果: Article査読

4 被引用数 (Scopus)

抄録

We fabrieated and experimentally evaluated 2 × 1 tapered multimode interference (MMI) combiners on silicon-on-insulator (SOI) substrates. The tapered MMI combiner we previously proposed is expected to be free from the reflection problem usually existed in a conventional rectangular MMI coupler, and such a negligible back-reflection property was actually verified. As one of its applications, we implemented a Mach-Zehnder (MZ) modulator using the tapered MMI combiner, which is often equipped with semiconductor optical amplifiers (SOAs) for ultrahigh-speed photonic switching devices and those SOAs are quite sensitive to the back-reflection.

本文言語English
ページ(範囲)L923-L925
ジャーナルJapanese Journal of Applied Physics, Part 2: Letters
44
28-32
DOI
出版ステータスPublished - 2005 12月 1

ASJC Scopus subject areas

  • 工学(全般)
  • 物理学および天文学(その他)
  • 物理学および天文学(全般)

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