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Optics Letters

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  • 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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References

  1. T. Tjugiarto, G. D. Peng, P. L. Chu, Electron. Lett. 29, 1077 (1993). [CrossRef]
  2. C. J. Setterlind, L. Thylen, IEEE J. Quantum Electron. QE-22, 595 (1986). [CrossRef]
  3. J. M. Liu, C. Yeh, Appl. Phys. Lett. 50, 1625 (1987). [CrossRef]
  4. S. Trillo, S. Wabnitz, J. M. Soto-Crespo, E. M. Wright, IEEE J. Quantum Electron. 27, 410 (1991). [CrossRef]
  5. M. J. Adams, D. A. H. Mace, J. Singh, M. A. Fisher, IEEE J. Quantum Electron. 26, 1764 (1990). [CrossRef]

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