Abstract

A new configuration of a cascaded optical isolator with high isolation over a wide range of temperature and wavelength is proposed. The configuration consists of two unit isolators, each of which is optimized for a different temperature and wavelength.

© 1987 Optical Society of America

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References

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  1. K. Shinagawa, S. Taniguchi, Jpn. J. Appl. Phys. 13, 1663 (1974).
    [CrossRef]
  2. T. Tamaki, K. Tsushima, Nippon Hoso Kyokai Tech. J. 37, 118 (1985).
  3. K. Shiraishi, Appl. Opt. 24, 951 (1985).
    [CrossRef] [PubMed]
  4. S. Kawakami, Appl. Opt. 22, 2426 (1983).
    [CrossRef] [PubMed]
  5. K. Shiraishi, S. Sugaya, K. Baba, S. Kawakami, Appl. Opt. 25, 311 (1986).
    [CrossRef] [PubMed]
  6. Y. Honda, T. Hibiya, K. Shiroki, in Technical Digest, 9th Annual Conference on Magnetics (Magnetic Society of Japan, Tokyo, 1985), paper 27pB-3.
  7. Y. Asahara, Y. Nomi, H. Ishikawa, K. Nakajima, K. Machida, Tech. J. Electron. Materials Lab. 4, 2 (1986).
  8. H. Minemoto, K. Matsuda, O. Kamada, S. Ishizuka, in Technical Digest, 10th Annual Conference on Magnetics (Magnetic Society of Japan, Tokyo, 1986), paper 4pE-9.
  9. R. Booth, E. White, J. Phys. D 17, 579 (1984).
    [CrossRef]
  10. M. Shirasaki, H. Nakajima, K. Asama, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1983), paper ThA2.

1986 (2)

K. Shiraishi, S. Sugaya, K. Baba, S. Kawakami, Appl. Opt. 25, 311 (1986).
[CrossRef] [PubMed]

Y. Asahara, Y. Nomi, H. Ishikawa, K. Nakajima, K. Machida, Tech. J. Electron. Materials Lab. 4, 2 (1986).

1985 (2)

T. Tamaki, K. Tsushima, Nippon Hoso Kyokai Tech. J. 37, 118 (1985).

K. Shiraishi, Appl. Opt. 24, 951 (1985).
[CrossRef] [PubMed]

1984 (1)

R. Booth, E. White, J. Phys. D 17, 579 (1984).
[CrossRef]

1983 (1)

1974 (1)

K. Shinagawa, S. Taniguchi, Jpn. J. Appl. Phys. 13, 1663 (1974).
[CrossRef]

Asahara, Y.

Y. Asahara, Y. Nomi, H. Ishikawa, K. Nakajima, K. Machida, Tech. J. Electron. Materials Lab. 4, 2 (1986).

Asama, K.

M. Shirasaki, H. Nakajima, K. Asama, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1983), paper ThA2.

Baba, K.

Booth, R.

R. Booth, E. White, J. Phys. D 17, 579 (1984).
[CrossRef]

Hibiya, T.

Y. Honda, T. Hibiya, K. Shiroki, in Technical Digest, 9th Annual Conference on Magnetics (Magnetic Society of Japan, Tokyo, 1985), paper 27pB-3.

Honda, Y.

Y. Honda, T. Hibiya, K. Shiroki, in Technical Digest, 9th Annual Conference on Magnetics (Magnetic Society of Japan, Tokyo, 1985), paper 27pB-3.

Ishikawa, H.

Y. Asahara, Y. Nomi, H. Ishikawa, K. Nakajima, K. Machida, Tech. J. Electron. Materials Lab. 4, 2 (1986).

Ishizuka, S.

H. Minemoto, K. Matsuda, O. Kamada, S. Ishizuka, in Technical Digest, 10th Annual Conference on Magnetics (Magnetic Society of Japan, Tokyo, 1986), paper 4pE-9.

Kamada, O.

H. Minemoto, K. Matsuda, O. Kamada, S. Ishizuka, in Technical Digest, 10th Annual Conference on Magnetics (Magnetic Society of Japan, Tokyo, 1986), paper 4pE-9.

Kawakami, S.

Machida, K.

Y. Asahara, Y. Nomi, H. Ishikawa, K. Nakajima, K. Machida, Tech. J. Electron. Materials Lab. 4, 2 (1986).

Matsuda, K.

H. Minemoto, K. Matsuda, O. Kamada, S. Ishizuka, in Technical Digest, 10th Annual Conference on Magnetics (Magnetic Society of Japan, Tokyo, 1986), paper 4pE-9.

Minemoto, H.

H. Minemoto, K. Matsuda, O. Kamada, S. Ishizuka, in Technical Digest, 10th Annual Conference on Magnetics (Magnetic Society of Japan, Tokyo, 1986), paper 4pE-9.

Nakajima, H.

M. Shirasaki, H. Nakajima, K. Asama, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1983), paper ThA2.

Nakajima, K.

Y. Asahara, Y. Nomi, H. Ishikawa, K. Nakajima, K. Machida, Tech. J. Electron. Materials Lab. 4, 2 (1986).

Nomi, Y.

Y. Asahara, Y. Nomi, H. Ishikawa, K. Nakajima, K. Machida, Tech. J. Electron. Materials Lab. 4, 2 (1986).

Shinagawa, K.

K. Shinagawa, S. Taniguchi, Jpn. J. Appl. Phys. 13, 1663 (1974).
[CrossRef]

Shiraishi, K.

Shirasaki, M.

M. Shirasaki, H. Nakajima, K. Asama, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1983), paper ThA2.

Shiroki, K.

Y. Honda, T. Hibiya, K. Shiroki, in Technical Digest, 9th Annual Conference on Magnetics (Magnetic Society of Japan, Tokyo, 1985), paper 27pB-3.

Sugaya, S.

Tamaki, T.

T. Tamaki, K. Tsushima, Nippon Hoso Kyokai Tech. J. 37, 118 (1985).

Taniguchi, S.

K. Shinagawa, S. Taniguchi, Jpn. J. Appl. Phys. 13, 1663 (1974).
[CrossRef]

Tsushima, K.

T. Tamaki, K. Tsushima, Nippon Hoso Kyokai Tech. J. 37, 118 (1985).

White, E.

R. Booth, E. White, J. Phys. D 17, 579 (1984).
[CrossRef]

Appl. Opt. (3)

J. Phys. D (1)

R. Booth, E. White, J. Phys. D 17, 579 (1984).
[CrossRef]

Jpn. J. Appl. Phys. (1)

K. Shinagawa, S. Taniguchi, Jpn. J. Appl. Phys. 13, 1663 (1974).
[CrossRef]

Nippon Hoso Kyokai Tech. J. (1)

T. Tamaki, K. Tsushima, Nippon Hoso Kyokai Tech. J. 37, 118 (1985).

Tech. J. Electron. Materials Lab. (1)

Y. Asahara, Y. Nomi, H. Ishikawa, K. Nakajima, K. Machida, Tech. J. Electron. Materials Lab. 4, 2 (1986).

Other (3)

H. Minemoto, K. Matsuda, O. Kamada, S. Ishizuka, in Technical Digest, 10th Annual Conference on Magnetics (Magnetic Society of Japan, Tokyo, 1986), paper 4pE-9.

Y. Honda, T. Hibiya, K. Shiroki, in Technical Digest, 9th Annual Conference on Magnetics (Magnetic Society of Japan, Tokyo, 1985), paper 27pB-3.

M. Shirasaki, H. Nakajima, K. Asama, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1983), paper ThA2.

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Figures (3)

Fig. 1
Fig. 1

(a) Conventional single isolator and (b) proposed isolator side-views of the cylindrical structure are shown. The proposed isolator consists of two unit isolators, each of which is optimized for a different temperature and wavelength.

Fig. 2
Fig. 2

Dependence of backward (solid curves) and forward (dashed curves) losses of conventional and proposed isolators on (a) temperature and (b) wavelength.

Fig. 3
Fig. 3

Equi-isolation characteristics of (a) conventional and (b) proposed isolators as a function of temperature and wavelength. Figures by the curves stand for the backward losses in decibels.

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