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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 18, Iss. 22 — Nov. 15, 1993
  • pp: 1913–1915

Narrow-bandpass filter with gain by use of twin-core rare-earth-doped fiber

B. Wu and P. L. Chu  »View Author Affiliations


Optics Letters, Vol. 18, Issue 22, pp. 1913-1915 (1993)
http://dx.doi.org/10.1364/OL.18.001913


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Abstract

We demonstrate both numerically and experimentally that rare-earth-doped twin-core fiber couplers can function as a narrow-bandpass wavelength filter or as a demultiplexer. The experimental bandwidth obtained is 6.5 nm. In addition, the filtered signal experiences a gain of 20 dB instead of attenuation.

© 1993 Optical Society of America

History
Original Manuscript: May 17, 1993
Published: November 15, 1993

Citation
B. Wu and P. L. Chu, "Narrow-bandpass filter with gain by use of twin-core rare-earth-doped fiber," Opt. Lett. 18, 1913-1915 (1993)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-18-22-1913

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