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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 20, Iss. 15 — Aug. 1, 1981
  • pp: 2683–2687

Compact polarization-independent optical circulator

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


Applied Optics, Vol. 20, Issue 15, pp. 2683-2687 (1981)
http://dx.doi.org/10.1364/AO.20.002683


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Abstract

This paper introduces a compact polarization-independent optical circulator for communications using multimode optical fibers. This circulator consists of two pairs of rutile prisms used as polarization separators, a YIG Faraday rotator, a ring-shaped magnet, and a quartz halfwave plate. Insertion losses of 2.3 dB including fiber connection losses and isolations of 32 dB at a wavelength of 1.3 μm were obtained using this circulator, and stabilization of the semiconductor laser was confirmed. Details on the design, fabrication, and characteristics of this circulator are presented.

© 1981 Optical Society of America

History
Original Manuscript: December 9, 1980
Published: August 1, 1981

Citation
M. Shirasaki, H. Kuwahara, and T. Obokata, "Compact polarization-independent optical circulator," Appl. Opt. 20, 2683-2687 (1981)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-20-15-2683

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