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Optics Letters

Optics Letters


  • Vol. 28, Iss. 3 — Feb. 1, 2003
  • pp: 197–199

Arrayed waveguide Sagnac interferometer

José Capmany, Pascual Muñoz, Salvador Sales, Daniel Pastor, Beatriz Ortega, and Alfonso Martinez  »View Author Affiliations

Optics Letters, Vol. 28, Issue 3, pp. 197-199 (2003)

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We present a novel device, an arrayed waveguide Sagnac interferometer, that combines the flexibility of arrayed waveguides and the wide application range of fiber or integrated optics Sagnac loops. We form the device by closing an array of wavelength-selective light paths provided by two arrayed waveguides with a single 2×2 coupler in a Sagnac configuration. The equations that describe the device’s operation in general conditions are derived. A preliminary experimental demonstration is provided of a fiber prototype in passive operation that shows good agreement with the expected theoretical performance. Potential applications of the device in nonlinear operation are outlined and discussed.

© 2003 Optical Society of America

OCIS Codes
(230.1150) Optical devices : All-optical devices
(230.4040) Optical devices : Mirrors

José Capmany, Pascual Muñoz, Salvador Sales, Daniel Pastor, Beatriz Ortega, and Alfonso Martinez, "Arrayed waveguide Sagnac interferometer," Opt. Lett. 28, 197-199 (2003)

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