抄録
Elimination of a back-reflected TE mode traveling in a TM-mode optical isolator was investigated. The optical isolator had a Mach-Zehnder interferometer that included a polarization-dependent reciprocal phase shifter in one of the arms. The reciprocal phase shift was achieved by an optical path difference between the two arms. By adjustment of the length of the reciprocal phase shifter, the interferometer prevented the back-reflected TE mode from coupling into an input port of the isolator. An extinction ratio of more than 18 dB was obtained against the back-reflected TE mode at a wavelength of 1.55 μm.
| 本文言語 | English |
|---|---|
| ページ（範囲） | 7045-7051 |
| ページ数 | 7 |
| ジャーナル | Applied Optics |
| 巻 | 41 |
| 号 | 33 |
| DOI | |
| 出版ステータス | Published - 2002 11月 20 |
| 外部発表 | はい |
ASJC Scopus subject areas
- 原子分子物理学および光学
- 工学（その他）
- 電子工学および電気工学