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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 18 — Sep. 5, 2005
  • pp: 7250–7255

An efficient local fundamental-mode cutoff for thermo-optic tunable Er3+-doped fiber ring laser

Nan-Kuang Chen, Sien Chi, and Shiao-Min Tseng  »View Author Affiliations


Optics Express, Vol. 13, Issue 18, pp. 7250-7255 (2005)
http://dx.doi.org/10.1364/OPEX.13.007250


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Abstract

We demonstrate a continuously tunable Er3+-doped fiber laser by incorporating a short-pass filter, which provides a wideband tunable fundamental-mode cutoff with high rejection efficiency (> 45 dB/cm) at long wavelengths, into a ring resonator. The tunable short-pass filter locally suppresses the gain profile of the Er3+-doped fiber at long wavelengths and makes the lasing wavelength continuously move toward short wavelengths when optical polymer is cooling down. The tuning efficiency, tuning range, signal-ASE-ratio, and FWHM linewidth of the laser are 7.65 nm/ºC, 26 nm (1569.8 ~ 1595.8 nm), 40 dB, and 0.5 nm, respectively.

© 2005 Optical Society of America

OCIS Codes
(060.2410) Fiber optics and optical communications : Fibers, erbium
(140.3560) Lasers and laser optics : Lasers, ring
(160.6840) Materials : Thermo-optical materials
(240.7040) Optics at surfaces : Tunneling

ToC Category:
Research Papers

History
Original Manuscript: August 5, 2005
Revised Manuscript: August 30, 2005
Published: September 5, 2005

Citation
Nan-Kuang Chen, Sien Chi, and Shiao-Min Tseng, "An efficient local fundamental-mode cutoff for thermo-optic tunable Er3+-doped fiber ring laser," Opt. Express 13, 7250-7255 (2005)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-13-18-7250


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References

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