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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 21, Iss. 11 — Jun. 1, 1982
  • pp: 1943–1949

Bistable magnetooptic switch for multimode optical fiber

M. Shirasaki, H. Takamatsu, and T. Obokata  »View Author Affiliations


Applied Optics, Vol. 21, Issue 11, pp. 1943-1949 (1982)
http://dx.doi.org/10.1364/AO.21.001943


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Abstract

A bistable nonmechanical optical switch for multimode optical fiber is presented. It is a 2-input/2-output device for the 1-μm wavelength range. The optical characteristics are independent of the polarization state of incident light. The switch consists of Faraday rotators of thin plates of yttrium-iron-garnet single crystal, electromagnets whose cores are made of semihard magnetic material, halfwave plates of crystal quartz, polarizing prisms of rutile, and lenses. Switching is performed by one-shot 3-V 20-μsec pulses with a maximum current of 500 mA. The 1.5-dB insertion losses and −32-dB cross talk were obtained at a wavelength of 1.3 μm.

© 1982 Optical Society of America

History
Original Manuscript: November 7, 1981
Published: June 1, 1982

Citation
M. Shirasaki, H. Takamatsu, and T. Obokata, "Bistable magnetooptic switch for multimode optical fiber," Appl. Opt. 21, 1943-1949 (1982)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-21-11-1943

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