Abstract

We have proposed and demonstrated a multi-wavelength-switchable and uniform erbium-doped fiber laser using unbalanced in-line Sagnac Interferometer. By employing this simple scheme and through the proper control of the polarization controller, we were able to achieve uniform multi-wavelength operation of up to 84 laser lines with the signal-to-noise ratio over 20dB and 0.8-nm wavelength switching at room temperature. Again, we generated more than 300 lines, 0.1-m wavelength switching and good power stability (≦0.2dB) over 1570nm–1610nm in the experiment.

© 2007 Optical Society of America

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References

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  1. B. A. Yu., J. Kwon, S. Chung, S. W. S and B. Lee, "Multiwavelength-switchable SOA-fibre ring laser using sampled Hi-Bi fibre grating," Electron. Lett. 39, 649-650 (2003).
    [CrossRef]
  2. Y. W. Lee, J. Jung and B. Lee, "Multiwavelength-switchable SOA-fiber ring laser based on polarization-maintaining fiber loop mirror and polarization beam splitter," IEEE Photon. Technol. Lett. 16, 54-56 (2004).
    [CrossRef]
  3. H. Q. Lam, P. Shum, L. N. Binh and Y. D. Gong, "Polarization-dependent locking in SOA harmonic mode-locking fiber laser," IEEE Photon. Technol. Lett. 18, 2404-2406 (2006).
    [CrossRef]
  4. S. Rohn, S. Chung, Y. W. Lee, S. I. Yoon and B. Lee, "Channel-spacing- and wavelength-tunable multiwavelength fiber ring laser using semiconductor optical amplifier," IEEE Photon. Technol. Lett. 187, 2302-2304 (2006).
  5. X. Yang, X. Dong, S. Zhang, F. Lu, X. Zhou and C. Lu, "Multiwavelength erbium-doped fiber laser with 0.8-nm spacing using sampled Bragg grating and photonic crystal fiber," IEEE Photon. Technol. Lett. 17, 2538-2540 (2005).
    [CrossRef]
  6. S. Hu, L. Zhan, Y. J. Song, W. Li, S. Y. Luo and Y. X. Xia, "Switchable multiwavelength erbium-doped fiber ring laser with a mutilsection high-birefringence fiber loop mirror," IEEE Photon. Technol. Lett. 17, 1387-1389 (2005).
    [CrossRef]
  7. Y. G. Han, G. Kim, J. H. Lee, S. H. Kim and S. B. Lee, "Lasing wavelength and spacing switchable multiwavelength fiber laser from 1510 to 1620nm," IEEE Photon. Technol. Lett. 17, 989-991 (2005).
    [CrossRef]
  8. M. P. Fok and C. Shu, "Spacing-adjustable multi-wavelength source from a stimulated Brillouin scattering assisted erbium-doped fiber laser," Opt. Express 14, 2618-2624 (2006).
    [CrossRef] [PubMed]
  9. L. Zhan, J. H. Ji, J. Xia, S. Y. Luo and Y. X. Xia, "160-line multiwavelength generation of linear-cavity self-seeded Brillouin-erbium fiber laser," Opt. Express 14, 10233-10238 (2006),
    [CrossRef] [PubMed]
  10. M. P. Fok and C. Shu, "Spacing-adjustable multi-wavelength source from a stimulated Brillouin scattering assisted erbium-doped fiber laser," Opt. Express 14, 2618-2624 (2006).
    [CrossRef] [PubMed]
  11. S. Qin, D. Chen, Y. Tang and S. He, "Stable and uniform multi-wavelength fiber laser based on hybrid Raman and erbium-doped fiber gains," Opt. Express 14, 10522-10527 (2006).
    [CrossRef] [PubMed]

2006

H. Q. Lam, P. Shum, L. N. Binh and Y. D. Gong, "Polarization-dependent locking in SOA harmonic mode-locking fiber laser," IEEE Photon. Technol. Lett. 18, 2404-2406 (2006).
[CrossRef]

S. Rohn, S. Chung, Y. W. Lee, S. I. Yoon and B. Lee, "Channel-spacing- and wavelength-tunable multiwavelength fiber ring laser using semiconductor optical amplifier," IEEE Photon. Technol. Lett. 187, 2302-2304 (2006).

M. P. Fok and C. Shu, "Spacing-adjustable multi-wavelength source from a stimulated Brillouin scattering assisted erbium-doped fiber laser," Opt. Express 14, 2618-2624 (2006).
[CrossRef] [PubMed]

L. Zhan, J. H. Ji, J. Xia, S. Y. Luo and Y. X. Xia, "160-line multiwavelength generation of linear-cavity self-seeded Brillouin-erbium fiber laser," Opt. Express 14, 10233-10238 (2006),
[CrossRef] [PubMed]

M. P. Fok and C. Shu, "Spacing-adjustable multi-wavelength source from a stimulated Brillouin scattering assisted erbium-doped fiber laser," Opt. Express 14, 2618-2624 (2006).
[CrossRef] [PubMed]

S. Qin, D. Chen, Y. Tang and S. He, "Stable and uniform multi-wavelength fiber laser based on hybrid Raman and erbium-doped fiber gains," Opt. Express 14, 10522-10527 (2006).
[CrossRef] [PubMed]

2005

X. Yang, X. Dong, S. Zhang, F. Lu, X. Zhou and C. Lu, "Multiwavelength erbium-doped fiber laser with 0.8-nm spacing using sampled Bragg grating and photonic crystal fiber," IEEE Photon. Technol. Lett. 17, 2538-2540 (2005).
[CrossRef]

S. Hu, L. Zhan, Y. J. Song, W. Li, S. Y. Luo and Y. X. Xia, "Switchable multiwavelength erbium-doped fiber ring laser with a mutilsection high-birefringence fiber loop mirror," IEEE Photon. Technol. Lett. 17, 1387-1389 (2005).
[CrossRef]

Y. G. Han, G. Kim, J. H. Lee, S. H. Kim and S. B. Lee, "Lasing wavelength and spacing switchable multiwavelength fiber laser from 1510 to 1620nm," IEEE Photon. Technol. Lett. 17, 989-991 (2005).
[CrossRef]

2004

Y. W. Lee, J. Jung and B. Lee, "Multiwavelength-switchable SOA-fiber ring laser based on polarization-maintaining fiber loop mirror and polarization beam splitter," IEEE Photon. Technol. Lett. 16, 54-56 (2004).
[CrossRef]

2003

B. A. Yu., J. Kwon, S. Chung, S. W. S and B. Lee, "Multiwavelength-switchable SOA-fibre ring laser using sampled Hi-Bi fibre grating," Electron. Lett. 39, 649-650 (2003).
[CrossRef]

Electron. Lett.

B. A. Yu., J. Kwon, S. Chung, S. W. S and B. Lee, "Multiwavelength-switchable SOA-fibre ring laser using sampled Hi-Bi fibre grating," Electron. Lett. 39, 649-650 (2003).
[CrossRef]

IEEE Photon. Technol. Lett.

Y. W. Lee, J. Jung and B. Lee, "Multiwavelength-switchable SOA-fiber ring laser based on polarization-maintaining fiber loop mirror and polarization beam splitter," IEEE Photon. Technol. Lett. 16, 54-56 (2004).
[CrossRef]

H. Q. Lam, P. Shum, L. N. Binh and Y. D. Gong, "Polarization-dependent locking in SOA harmonic mode-locking fiber laser," IEEE Photon. Technol. Lett. 18, 2404-2406 (2006).
[CrossRef]

S. Rohn, S. Chung, Y. W. Lee, S. I. Yoon and B. Lee, "Channel-spacing- and wavelength-tunable multiwavelength fiber ring laser using semiconductor optical amplifier," IEEE Photon. Technol. Lett. 187, 2302-2304 (2006).

X. Yang, X. Dong, S. Zhang, F. Lu, X. Zhou and C. Lu, "Multiwavelength erbium-doped fiber laser with 0.8-nm spacing using sampled Bragg grating and photonic crystal fiber," IEEE Photon. Technol. Lett. 17, 2538-2540 (2005).
[CrossRef]

S. Hu, L. Zhan, Y. J. Song, W. Li, S. Y. Luo and Y. X. Xia, "Switchable multiwavelength erbium-doped fiber ring laser with a mutilsection high-birefringence fiber loop mirror," IEEE Photon. Technol. Lett. 17, 1387-1389 (2005).
[CrossRef]

Y. G. Han, G. Kim, J. H. Lee, S. H. Kim and S. B. Lee, "Lasing wavelength and spacing switchable multiwavelength fiber laser from 1510 to 1620nm," IEEE Photon. Technol. Lett. 17, 989-991 (2005).
[CrossRef]

Opt. Express

M. P. Fok and C. Shu, "Spacing-adjustable multi-wavelength source from a stimulated Brillouin scattering assisted erbium-doped fiber laser," Opt. Express 14, 2618-2624 (2006).
[CrossRef] [PubMed]

L. Zhan, J. H. Ji, J. Xia, S. Y. Luo and Y. X. Xia, "160-line multiwavelength generation of linear-cavity self-seeded Brillouin-erbium fiber laser," Opt. Express 14, 10233-10238 (2006),
[CrossRef] [PubMed]

M. P. Fok and C. Shu, "Spacing-adjustable multi-wavelength source from a stimulated Brillouin scattering assisted erbium-doped fiber laser," Opt. Express 14, 2618-2624 (2006).
[CrossRef] [PubMed]

S. Qin, D. Chen, Y. Tang and S. He, "Stable and uniform multi-wavelength fiber laser based on hybrid Raman and erbium-doped fiber gains," Opt. Express 14, 10522-10527 (2006).
[CrossRef] [PubMed]

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Figures (6)

Fig. 1.
Fig. 1.

Proposed multi-wavelength-switchable and uniform fiber laser using unbalance in-line Sagnac Interferometer incorporating polarization-maintaining fiber.

Fig. 2.
Fig. 2.

Experimental results of the proposed multi-wavelength-switchable fiber laser for 1m PMF spliced at different spliced angle. (a) Output spectra at 0- (black), 15- (red) and 30-degree (green) spliced angle; (b) Output spectra at 45- (pink), 60- (purple) and 90-degree (yellow) spliced angle.

Fig. 3.
Fig. 3.

Output spectra of two multi-wavelength-switchable fiber lasers for (a) 1m, (b) 3m, (c) 6m and (d) 12m PMF.

Fig. 4.
Fig. 4.

Zoomed spectra of two interleaved wavebands for (a) 1m, (b) 3m, (c) 6m and (d) 12m PMF.

Fig. 5.
Fig. 5.

Repeated scanning spectra for 1m, 3m, 6m and 12m PMF in 45 minutes.

Fig. 6.
Fig. 6.

Measured fluctuations of each peak power over 1570–1610nm for the different length of PMF within 3 minutes.

Tables (1)

Tables Icon

Table. 1. Summarized table of wavelength spacing, shift, signal-to-noise ratio, FWHM, power stability and generated lines for the different length of polarization-maintaining fiber.

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