Non-Mechanical Variable Attenuator Module Using Faraday Effect

N. Fukushima; H. Onaka; H. Onaka; M. Shirasaki; M. Shirasaki; Y. Suzuki; Y. Suzuki; T. Tokumasu; T. Tokumasu

Optical Amplifiers and Their Applications
OSA Trends in Optics and Photonics Series (Optica Publishing Group, 1996),
paper SD12

Non-Mechanical Variable Attenuator Module Using Faraday Effect

N. Fukushima, H. Onaka, M. Shirasaki, Y. Suzuki, and T. Tokumasu

Optical Amplifiers and Their Applications 1996

Monterey, California United States
ISBN: 1-55752-435-X

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Semiconductor Devices and Functional Circuits (SD)

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N. Fukushima, H. Onaka, M. Shirasaki, Y. Suzuki, and T. Tokumasu, "Non-Mechanical Variable Attenuator Module Using Faraday Effect," in Optical Amplifiers and Their Applications, R. Jopson, K. Stubkjaer, and M. Suyama, eds., Vol. 5 of OSA Trends in Optics and Photonics Series (Optica Publishing Group, 1996), paper SD12.

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Abstract

We have developed non-mechanical inline optical attenuator which employs a Faraday rotator, two magnets, and two birefringent wedges. The experimental results showed an attenuation range of 1.6-25 dB with a polarization dependence of <0.4 dB.

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