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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 38, Iss. 36 — Dec. 20, 1999
  • pp: 7409–7413

Demonstration of an optical isolator by use of a nonreciprocal phase shift

Hideki Yokoi, Tetsuya Mizumoto, Tomoaki Takano, and Nobuhiro Shinjo  »View Author Affiliations


Applied Optics, Vol. 38, Issue 36, pp. 7409-7413 (1999)
http://dx.doi.org/10.1364/AO.38.007409


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Abstract

The experimental study of an optical isolator by use of a nonreciprocal phase shift is demonstrated. The isolator has an optical interferometer composed of tapered couplers, nonreciprocal phase shifters, and a reciprocal phase shifter. The isolator, designed for a 1.55-µm wavelength, was fabricated to investigate the characteristics of each component. The branching and coupling characteristics of the tapered coupler were measured. The nonreciprocal and reciprocal phase shifts were also evaluated. By applying an external magnetic field to the interferometer, we confirmed the nonreciprocal phase shift in the interferometric isolator.

© 1999 Optical Society of America

OCIS Codes
(230.3120) Optical devices : Integrated optics devices
(230.3240) Optical devices : Isolators
(250.5300) Optoelectronics : Photonic integrated circuits

History
Original Manuscript: June 25, 1999
Revised Manuscript: October 6, 1999
Published: December 20, 1999

Citation
Hideki Yokoi, Tetsuya Mizumoto, Tomoaki Takano, and Nobuhiro Shinjo, "Demonstration of an optical isolator by use of a nonreciprocal phase shift," Appl. Opt. 38, 7409-7413 (1999)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-38-36-7409

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