Semiconductor waveguide optical isolator based on nonreciprocal loss induced by ferromagnetic MnAs

被引：40

作者：

Amemiya, T.

Shimizu, H.

Nakano, Y.

Hai, P. N.

Yokoyama, M.

Tanaka, M.

机构：

[1] Univ Tokyo, Res Ctr Adv Sci & Technol, Meguro Ku, Tokyo 1538904, Japan

[2] Japan Sci & Technol Agcy, SORST, Meguro Ku, Tokyo 1538904, Japan

[3] Univ Tokyo, Dept Elect Engn, Meguro Ku, Tokyo 1538904, Japan

来源：

APPLIED PHYSICS LETTERS | 2006年 / 89卷 / 02期

关键词：

D O I：

10.1063/1.2220016

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We fabricated TM mode InGaAlAs/InP active waveguide optical isolators based on the magnetically induced nonreciprocal loss. We used epitaxially grown MnAs thin films as ferromagnetic electrodes of the semiconductor active waveguide optical isolators. We demonstrated TM mode nonreciprocal propagation (8.8 dB/mm) at 1540 nm with an excellent ferromagnetic electrode contact, which has greater semiconductor active waveguide optical isolator performance than that of our previously reported devices with Ni/Fe polycrystalline electrodes. (c) 2006 American Institute of Physics.

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页数：3

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