Patent Number: 7,826,690

Title: Waveguide type optical isolator and magnet holder used in waveguide type optical isolator

Abstract: A waveguide type optical isolator comprises a substrate, a waveguiding layer provided with waveguides, a magnetic garnet, magnetic field applying means, and a package substrate, wherein a first magnet and a second magnet is provided as the magnetic field applying means, and the first magnet and the second magnet are housed and fixed within a magnet holder.

Inventors: Nakajima; Ikuo (Kanagawa, JP), Hayakawa; Etsuji (Kanagawa, JP), Mizumoto; Tetsuya (Tokyo, JP)

Assignee: Mitsumi Electric Co., Ltd.

International Classification: G02F 1/295 (20060101); G02B 6/36 (20060101)

Expiration Date: 2019-11-02 0:00:00