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Applied Optics

Applied Optics


  • Vol. 37, Iss. 33 — Nov. 20, 1998
  • pp: 7712–7717

All-fiber optical add–drop multiplexer based on a selective fused coupler and a single fiber Bragg grating

Beatriz Ortega, Liang Dong, and Laurence Reekie  »View Author Affiliations

Applied Optics, Vol. 37, Issue 33, pp. 7712-7717 (1998)

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We demonstrate a novel fiber add–drop multiplexer based on a selective fused coupler consisting of a twin-core fiber and a standard telecommunication fiber and a single fiber Bragg grating. Loss as low as ∼1.1 dB for the added and dropped channel is demonstrated with a potential to be as low as ∼0.4 dB. Better than 30-dB isolation is also achieved between the dropped and added channels. The device is based on well-developed fused coupler and Bragg grating technology. Most importantly, the method is noninterferometric, which means it does not need critical alignment or trimming. The fused coupler and grating are completely decoupled and can be made separately.

© 1998 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2340) Fiber optics and optical communications : Fiber optics components
(060.4230) Fiber optics and optical communications : Multiplexing

Original Manuscript: April 24, 1998
Revised Manuscript: July 27, 1998
Published: November 20, 1998

Beatriz Ortega, Liang Dong, and Laurence Reekie, "All-fiber optical add–drop multiplexer based on a selective fused coupler and a single fiber Bragg grating," Appl. Opt. 37, 7712-7717 (1998)

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