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Fused Coupler Optical Switch Using a Photochromic Material

Published online by Cambridge University Press:  15 February 2011

Yuji Kobayashi
Affiliation:
Sumitomo Electric Industries, Ltd., 1 Taya-cho, Sakae-ku, Yokohama 244, Japan
Toshifumi Hosoya
Affiliation:
Sumitomo Electric Industries, Ltd., 1 Taya-cho, Sakae-ku, Yokohama 244, Japan
Tsuyoshi Nonaka
Affiliation:
Sumitomo Electric Industries, Ltd., 1 Taya-cho, Sakae-ku, Yokohama 244, Japan
Yasuo Matsuda
Affiliation:
Sumitomo Electric Industries, Ltd., 1 Taya-cho, Sakae-ku, Yokohama 244, Japan
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Abstract

An optical switch based on a single-mode fused coupler has been fabricated. The switch is worked by light induced refractive index change of an organic photochromic compound as cladding material in the coupling region. The splitting ratio of optical output at 1.3 μ m wavelength light can change 44.5%. The optical loss in the switch is less than 0.4

Type
Research Article
Copyright
Copyright © Materials Research Society 1992

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References

[1] Diemeer, M.B.J. et al..Electron.Lett., 24,457458 (1988)10.1049/el:19880309CrossRefGoogle Scholar
[2] Bennion, I. et al., Radio. Electro. Eng., 53, 313320 (1983)CrossRefGoogle Scholar

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