Abstract

A stable and uniform multi-wavelength fiber laser based on the hybrid gain of a dispersion compensating fiber (as the Raman gain medium) and an Erbium-doped fiber (EDF) is introduced. The gain competition effects in the fiber Raman amplification (FRA) and EDF amplification are analyzed and compared experimentally. The FRA gain mechanism can suppress the gain competition effectively and make the present multi-wavelength laser stable at room temperature. The hybrid gain medium can also increase the lasing bandwidth (as compared with a pure EDF laser) and the power conversion efficiency (as compared with a pure fiber Raman laser).

© 2006 Optical Society of America

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  1. A. A. M. Staring, L. H. Spiekman, J. J. M. Binsma, E. J. Jansen, T. v. Dongen, P. J. A. Thijs, M. K. Smit, and B. H. Verbeek, "A compact nine-channel multiwavelength laser," IEEE Photon. Technol. Lett. 8, 1139-1141 (1996).
    [CrossRef]
  2. M. Zirngibl, C. H. Joyner, C. R. Doerr, L. W. Stulz, and H. M. Presby, "An 18-channel multifrequency laser," IEEE Photon. Technol. Lett. 8, 870-872 (1996).
    [CrossRef]
  3. M. D. Mermelstein, C. Horn, S. Radic, and C. Headley, "Six-wavelength Raman fibre laser for C- and L-band Raman amplification and dynamic gain flattening," Electron. Lett. 38, 636-638 (2002).
    [CrossRef]
  4. C. J. S. De Matos, D. A. Chestnut, P. C. Reeves-Hall, F. Koch, and J. R. Taylor, "Multi-wavelength, continuous wave fibre Raman ring laser operating at 1.55 ?m," Electron. Lett. 37, 825-826 (2001).
    [CrossRef]
  5. X. Y. Dong, P. Shum, N. Q. Ngo, and C. C. Chan, "Multiwavelength Raman fiber laser with a continuously-tunable spacing," Opt Express 14, 3288-3293 (2006),
    [CrossRef] [PubMed]
  6. S. L. Pan, C. Y. Lou, and Y. Z. Gao, "Multiwavelength erbium-doped fiber laser based on inhomogeneous loss mechanism by use of a highly nonlinear fiber and a Fabry-Perot filter," Opt Express 14, 1113-1118 (2006),
    [CrossRef] [PubMed]
  7. O. Graydon, W. H. Loh, R. I. Laming, and L. Dong, "Triple-frequency operation of an Er-doped twincore fiber loop laser," IEEE Photon.Technol. Lett. 8, 63-65 (1996).
    [CrossRef]
  8. S. Yamishita, and T. Baba, "Spacing-tunable multiwavelength fiber laser," Electron.Lett. 37, 1015-1517 (2001).
    [CrossRef]
  9. 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 1620 nm," IEEE Photon. Technol. Lett. 17, 989-991 (2005).
    [CrossRef]
  10. D. N. Wang, F. W. Tong, X. Fang, W. Jin, P. K. A. Wai, and J. M. Gong, "Multiwavelength erbium-doped fiber ring laser source with a hybrid gain medium," Opt. Commun. 228, 295-301 (2003).
    [CrossRef]
  11. P. G. Agrawal, Nonlinear Fiber Optics (Academic Press, San Diego, 2001).
  12. D. B. MORTIMORE, "Fiber Loop Reflectors," J. Lightwave Technol. 6, 1217-1224 (1988).
    [CrossRef]
  13. X. P. Dong, S. Li, K. S. Chiang, M. N. Ng, and B. C. B. Chu, "Multiwavelength erbium-doped fiber laser based on a high-birefringence fiber loop mirror," Electron. Lett. 36, 1609-1610 (2000).
    [CrossRef]
  14. K. Zhou, J. Ngo, and J. P. Yao, "Comb filter based on all polarization maintaining fiber loop and its applications," Proc. SPIE 4833, 988-994 (2002).
    [CrossRef]

2006

X. Y. Dong, P. Shum, N. Q. Ngo, and C. C. Chan, "Multiwavelength Raman fiber laser with a continuously-tunable spacing," Opt Express 14, 3288-3293 (2006),
[CrossRef] [PubMed]

S. L. Pan, C. Y. Lou, and Y. Z. Gao, "Multiwavelength erbium-doped fiber laser based on inhomogeneous loss mechanism by use of a highly nonlinear fiber and a Fabry-Perot filter," Opt Express 14, 1113-1118 (2006),
[CrossRef] [PubMed]

2005

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 1620 nm," IEEE Photon. Technol. Lett. 17, 989-991 (2005).
[CrossRef]

2003

D. N. Wang, F. W. Tong, X. Fang, W. Jin, P. K. A. Wai, and J. M. Gong, "Multiwavelength erbium-doped fiber ring laser source with a hybrid gain medium," Opt. Commun. 228, 295-301 (2003).
[CrossRef]

2002

M. D. Mermelstein, C. Horn, S. Radic, and C. Headley, "Six-wavelength Raman fibre laser for C- and L-band Raman amplification and dynamic gain flattening," Electron. Lett. 38, 636-638 (2002).
[CrossRef]

K. Zhou, J. Ngo, and J. P. Yao, "Comb filter based on all polarization maintaining fiber loop and its applications," Proc. SPIE 4833, 988-994 (2002).
[CrossRef]

2001

S. Yamishita, and T. Baba, "Spacing-tunable multiwavelength fiber laser," Electron.Lett. 37, 1015-1517 (2001).
[CrossRef]

C. J. S. De Matos, D. A. Chestnut, P. C. Reeves-Hall, F. Koch, and J. R. Taylor, "Multi-wavelength, continuous wave fibre Raman ring laser operating at 1.55 ?m," Electron. Lett. 37, 825-826 (2001).
[CrossRef]

2000

X. P. Dong, S. Li, K. S. Chiang, M. N. Ng, and B. C. B. Chu, "Multiwavelength erbium-doped fiber laser based on a high-birefringence fiber loop mirror," Electron. Lett. 36, 1609-1610 (2000).
[CrossRef]

1996

A. A. M. Staring, L. H. Spiekman, J. J. M. Binsma, E. J. Jansen, T. v. Dongen, P. J. A. Thijs, M. K. Smit, and B. H. Verbeek, "A compact nine-channel multiwavelength laser," IEEE Photon. Technol. Lett. 8, 1139-1141 (1996).
[CrossRef]

M. Zirngibl, C. H. Joyner, C. R. Doerr, L. W. Stulz, and H. M. Presby, "An 18-channel multifrequency laser," IEEE Photon. Technol. Lett. 8, 870-872 (1996).
[CrossRef]

O. Graydon, W. H. Loh, R. I. Laming, and L. Dong, "Triple-frequency operation of an Er-doped twincore fiber loop laser," IEEE Photon.Technol. Lett. 8, 63-65 (1996).
[CrossRef]

1988

D. B. MORTIMORE, "Fiber Loop Reflectors," J. Lightwave Technol. 6, 1217-1224 (1988).
[CrossRef]

Baba, T.

S. Yamishita, and T. Baba, "Spacing-tunable multiwavelength fiber laser," Electron.Lett. 37, 1015-1517 (2001).
[CrossRef]

Binsma, J. J. M.

A. A. M. Staring, L. H. Spiekman, J. J. M. Binsma, E. J. Jansen, T. v. Dongen, P. J. A. Thijs, M. K. Smit, and B. H. Verbeek, "A compact nine-channel multiwavelength laser," IEEE Photon. Technol. Lett. 8, 1139-1141 (1996).
[CrossRef]

Chan, C. C.

X. Y. Dong, P. Shum, N. Q. Ngo, and C. C. Chan, "Multiwavelength Raman fiber laser with a continuously-tunable spacing," Opt Express 14, 3288-3293 (2006),
[CrossRef] [PubMed]

Chestnut, D. A.

C. J. S. De Matos, D. A. Chestnut, P. C. Reeves-Hall, F. Koch, and J. R. Taylor, "Multi-wavelength, continuous wave fibre Raman ring laser operating at 1.55 ?m," Electron. Lett. 37, 825-826 (2001).
[CrossRef]

Chiang, K. S.

X. P. Dong, S. Li, K. S. Chiang, M. N. Ng, and B. C. B. Chu, "Multiwavelength erbium-doped fiber laser based on a high-birefringence fiber loop mirror," Electron. Lett. 36, 1609-1610 (2000).
[CrossRef]

Chu, B. C. B.

X. P. Dong, S. Li, K. S. Chiang, M. N. Ng, and B. C. B. Chu, "Multiwavelength erbium-doped fiber laser based on a high-birefringence fiber loop mirror," Electron. Lett. 36, 1609-1610 (2000).
[CrossRef]

De Matos, C. J. S.

C. J. S. De Matos, D. A. Chestnut, P. C. Reeves-Hall, F. Koch, and J. R. Taylor, "Multi-wavelength, continuous wave fibre Raman ring laser operating at 1.55 ?m," Electron. Lett. 37, 825-826 (2001).
[CrossRef]

Doerr, C. R.

M. Zirngibl, C. H. Joyner, C. R. Doerr, L. W. Stulz, and H. M. Presby, "An 18-channel multifrequency laser," IEEE Photon. Technol. Lett. 8, 870-872 (1996).
[CrossRef]

Dong, L.

O. Graydon, W. H. Loh, R. I. Laming, and L. Dong, "Triple-frequency operation of an Er-doped twincore fiber loop laser," IEEE Photon.Technol. Lett. 8, 63-65 (1996).
[CrossRef]

Dong, X. P.

X. P. Dong, S. Li, K. S. Chiang, M. N. Ng, and B. C. B. Chu, "Multiwavelength erbium-doped fiber laser based on a high-birefringence fiber loop mirror," Electron. Lett. 36, 1609-1610 (2000).
[CrossRef]

Dong, X. Y.

X. Y. Dong, P. Shum, N. Q. Ngo, and C. C. Chan, "Multiwavelength Raman fiber laser with a continuously-tunable spacing," Opt Express 14, 3288-3293 (2006),
[CrossRef] [PubMed]

Fang, X.

D. N. Wang, F. W. Tong, X. Fang, W. Jin, P. K. A. Wai, and J. M. Gong, "Multiwavelength erbium-doped fiber ring laser source with a hybrid gain medium," Opt. Commun. 228, 295-301 (2003).
[CrossRef]

Gao, Y. Z.

S. L. Pan, C. Y. Lou, and Y. Z. Gao, "Multiwavelength erbium-doped fiber laser based on inhomogeneous loss mechanism by use of a highly nonlinear fiber and a Fabry-Perot filter," Opt Express 14, 1113-1118 (2006),
[CrossRef] [PubMed]

Gong, J. M.

D. N. Wang, F. W. Tong, X. Fang, W. Jin, P. K. A. Wai, and J. M. Gong, "Multiwavelength erbium-doped fiber ring laser source with a hybrid gain medium," Opt. Commun. 228, 295-301 (2003).
[CrossRef]

Graydon, O.

O. Graydon, W. H. Loh, R. I. Laming, and L. Dong, "Triple-frequency operation of an Er-doped twincore fiber loop laser," IEEE Photon.Technol. Lett. 8, 63-65 (1996).
[CrossRef]

Han, Y. G.

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 1620 nm," IEEE Photon. Technol. Lett. 17, 989-991 (2005).
[CrossRef]

Headley, C.

M. D. Mermelstein, C. Horn, S. Radic, and C. Headley, "Six-wavelength Raman fibre laser for C- and L-band Raman amplification and dynamic gain flattening," Electron. Lett. 38, 636-638 (2002).
[CrossRef]

Horn, C.

M. D. Mermelstein, C. Horn, S. Radic, and C. Headley, "Six-wavelength Raman fibre laser for C- and L-band Raman amplification and dynamic gain flattening," Electron. Lett. 38, 636-638 (2002).
[CrossRef]

Jansen, E. J.

A. A. M. Staring, L. H. Spiekman, J. J. M. Binsma, E. J. Jansen, T. v. Dongen, P. J. A. Thijs, M. K. Smit, and B. H. Verbeek, "A compact nine-channel multiwavelength laser," IEEE Photon. Technol. Lett. 8, 1139-1141 (1996).
[CrossRef]

Jin, W.

D. N. Wang, F. W. Tong, X. Fang, W. Jin, P. K. A. Wai, and J. M. Gong, "Multiwavelength erbium-doped fiber ring laser source with a hybrid gain medium," Opt. Commun. 228, 295-301 (2003).
[CrossRef]

Joyner, C. H.

M. Zirngibl, C. H. Joyner, C. R. Doerr, L. W. Stulz, and H. M. Presby, "An 18-channel multifrequency laser," IEEE Photon. Technol. Lett. 8, 870-872 (1996).
[CrossRef]

Kim, G.

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 1620 nm," IEEE Photon. Technol. Lett. 17, 989-991 (2005).
[CrossRef]

Kim, S. H.

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 1620 nm," IEEE Photon. Technol. Lett. 17, 989-991 (2005).
[CrossRef]

Koch, F.

C. J. S. De Matos, D. A. Chestnut, P. C. Reeves-Hall, F. Koch, and J. R. Taylor, "Multi-wavelength, continuous wave fibre Raman ring laser operating at 1.55 ?m," Electron. Lett. 37, 825-826 (2001).
[CrossRef]

Laming, R. I.

O. Graydon, W. H. Loh, R. I. Laming, and L. Dong, "Triple-frequency operation of an Er-doped twincore fiber loop laser," IEEE Photon.Technol. Lett. 8, 63-65 (1996).
[CrossRef]

Lee, J. H.

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 1620 nm," IEEE Photon. Technol. Lett. 17, 989-991 (2005).
[CrossRef]

Lee, S. B.

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 1620 nm," IEEE Photon. Technol. Lett. 17, 989-991 (2005).
[CrossRef]

Li, S.

X. P. Dong, S. Li, K. S. Chiang, M. N. Ng, and B. C. B. Chu, "Multiwavelength erbium-doped fiber laser based on a high-birefringence fiber loop mirror," Electron. Lett. 36, 1609-1610 (2000).
[CrossRef]

Loh, W. H.

O. Graydon, W. H. Loh, R. I. Laming, and L. Dong, "Triple-frequency operation of an Er-doped twincore fiber loop laser," IEEE Photon.Technol. Lett. 8, 63-65 (1996).
[CrossRef]

Lou, C. Y.

S. L. Pan, C. Y. Lou, and Y. Z. Gao, "Multiwavelength erbium-doped fiber laser based on inhomogeneous loss mechanism by use of a highly nonlinear fiber and a Fabry-Perot filter," Opt Express 14, 1113-1118 (2006),
[CrossRef] [PubMed]

Mermelstein, M. D.

M. D. Mermelstein, C. Horn, S. Radic, and C. Headley, "Six-wavelength Raman fibre laser for C- and L-band Raman amplification and dynamic gain flattening," Electron. Lett. 38, 636-638 (2002).
[CrossRef]

Ng, M. N.

X. P. Dong, S. Li, K. S. Chiang, M. N. Ng, and B. C. B. Chu, "Multiwavelength erbium-doped fiber laser based on a high-birefringence fiber loop mirror," Electron. Lett. 36, 1609-1610 (2000).
[CrossRef]

Ngo, J.

K. Zhou, J. Ngo, and J. P. Yao, "Comb filter based on all polarization maintaining fiber loop and its applications," Proc. SPIE 4833, 988-994 (2002).
[CrossRef]

Ngo, N. Q.

X. Y. Dong, P. Shum, N. Q. Ngo, and C. C. Chan, "Multiwavelength Raman fiber laser with a continuously-tunable spacing," Opt Express 14, 3288-3293 (2006),
[CrossRef] [PubMed]

Pan, S. L.

S. L. Pan, C. Y. Lou, and Y. Z. Gao, "Multiwavelength erbium-doped fiber laser based on inhomogeneous loss mechanism by use of a highly nonlinear fiber and a Fabry-Perot filter," Opt Express 14, 1113-1118 (2006),
[CrossRef] [PubMed]

Presby, H. M.

M. Zirngibl, C. H. Joyner, C. R. Doerr, L. W. Stulz, and H. M. Presby, "An 18-channel multifrequency laser," IEEE Photon. Technol. Lett. 8, 870-872 (1996).
[CrossRef]

Radic, S.

M. D. Mermelstein, C. Horn, S. Radic, and C. Headley, "Six-wavelength Raman fibre laser for C- and L-band Raman amplification and dynamic gain flattening," Electron. Lett. 38, 636-638 (2002).
[CrossRef]

Reeves-Hall, P. C.

C. J. S. De Matos, D. A. Chestnut, P. C. Reeves-Hall, F. Koch, and J. R. Taylor, "Multi-wavelength, continuous wave fibre Raman ring laser operating at 1.55 ?m," Electron. Lett. 37, 825-826 (2001).
[CrossRef]

Shum, P.

X. Y. Dong, P. Shum, N. Q. Ngo, and C. C. Chan, "Multiwavelength Raman fiber laser with a continuously-tunable spacing," Opt Express 14, 3288-3293 (2006),
[CrossRef] [PubMed]

Spiekman, L. H.

A. A. M. Staring, L. H. Spiekman, J. J. M. Binsma, E. J. Jansen, T. v. Dongen, P. J. A. Thijs, M. K. Smit, and B. H. Verbeek, "A compact nine-channel multiwavelength laser," IEEE Photon. Technol. Lett. 8, 1139-1141 (1996).
[CrossRef]

Staring, A. A. M.

A. A. M. Staring, L. H. Spiekman, J. J. M. Binsma, E. J. Jansen, T. v. Dongen, P. J. A. Thijs, M. K. Smit, and B. H. Verbeek, "A compact nine-channel multiwavelength laser," IEEE Photon. Technol. Lett. 8, 1139-1141 (1996).
[CrossRef]

Stulz, L. W.

M. Zirngibl, C. H. Joyner, C. R. Doerr, L. W. Stulz, and H. M. Presby, "An 18-channel multifrequency laser," IEEE Photon. Technol. Lett. 8, 870-872 (1996).
[CrossRef]

Taylor, J. R.

C. J. S. De Matos, D. A. Chestnut, P. C. Reeves-Hall, F. Koch, and J. R. Taylor, "Multi-wavelength, continuous wave fibre Raman ring laser operating at 1.55 ?m," Electron. Lett. 37, 825-826 (2001).
[CrossRef]

Tong, F. W.

D. N. Wang, F. W. Tong, X. Fang, W. Jin, P. K. A. Wai, and J. M. Gong, "Multiwavelength erbium-doped fiber ring laser source with a hybrid gain medium," Opt. Commun. 228, 295-301 (2003).
[CrossRef]

Wai, P. K. A.

D. N. Wang, F. W. Tong, X. Fang, W. Jin, P. K. A. Wai, and J. M. Gong, "Multiwavelength erbium-doped fiber ring laser source with a hybrid gain medium," Opt. Commun. 228, 295-301 (2003).
[CrossRef]

Wang, D. N.

D. N. Wang, F. W. Tong, X. Fang, W. Jin, P. K. A. Wai, and J. M. Gong, "Multiwavelength erbium-doped fiber ring laser source with a hybrid gain medium," Opt. Commun. 228, 295-301 (2003).
[CrossRef]

Yamishita, S.

S. Yamishita, and T. Baba, "Spacing-tunable multiwavelength fiber laser," Electron.Lett. 37, 1015-1517 (2001).
[CrossRef]

Yao, J. P.

K. Zhou, J. Ngo, and J. P. Yao, "Comb filter based on all polarization maintaining fiber loop and its applications," Proc. SPIE 4833, 988-994 (2002).
[CrossRef]

Zhou, K.

K. Zhou, J. Ngo, and J. P. Yao, "Comb filter based on all polarization maintaining fiber loop and its applications," Proc. SPIE 4833, 988-994 (2002).
[CrossRef]

Zirngibl, M.

M. Zirngibl, C. H. Joyner, C. R. Doerr, L. W. Stulz, and H. M. Presby, "An 18-channel multifrequency laser," IEEE Photon. Technol. Lett. 8, 870-872 (1996).
[CrossRef]

Electron. Lett.

M. D. Mermelstein, C. Horn, S. Radic, and C. Headley, "Six-wavelength Raman fibre laser for C- and L-band Raman amplification and dynamic gain flattening," Electron. Lett. 38, 636-638 (2002).
[CrossRef]

C. J. S. De Matos, D. A. Chestnut, P. C. Reeves-Hall, F. Koch, and J. R. Taylor, "Multi-wavelength, continuous wave fibre Raman ring laser operating at 1.55 ?m," Electron. Lett. 37, 825-826 (2001).
[CrossRef]

X. P. Dong, S. Li, K. S. Chiang, M. N. Ng, and B. C. B. Chu, "Multiwavelength erbium-doped fiber laser based on a high-birefringence fiber loop mirror," Electron. Lett. 36, 1609-1610 (2000).
[CrossRef]

Electron.Lett.

S. Yamishita, and T. Baba, "Spacing-tunable multiwavelength fiber laser," Electron.Lett. 37, 1015-1517 (2001).
[CrossRef]

IEEE Photon. Technol. Lett.

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 1620 nm," IEEE Photon. Technol. Lett. 17, 989-991 (2005).
[CrossRef]

A. A. M. Staring, L. H. Spiekman, J. J. M. Binsma, E. J. Jansen, T. v. Dongen, P. J. A. Thijs, M. K. Smit, and B. H. Verbeek, "A compact nine-channel multiwavelength laser," IEEE Photon. Technol. Lett. 8, 1139-1141 (1996).
[CrossRef]

M. Zirngibl, C. H. Joyner, C. R. Doerr, L. W. Stulz, and H. M. Presby, "An 18-channel multifrequency laser," IEEE Photon. Technol. Lett. 8, 870-872 (1996).
[CrossRef]

IEEE Photon.Technol. Lett.

O. Graydon, W. H. Loh, R. I. Laming, and L. Dong, "Triple-frequency operation of an Er-doped twincore fiber loop laser," IEEE Photon.Technol. Lett. 8, 63-65 (1996).
[CrossRef]

J. Lightwave Technol.

D. B. MORTIMORE, "Fiber Loop Reflectors," J. Lightwave Technol. 6, 1217-1224 (1988).
[CrossRef]

Opt Express

X. Y. Dong, P. Shum, N. Q. Ngo, and C. C. Chan, "Multiwavelength Raman fiber laser with a continuously-tunable spacing," Opt Express 14, 3288-3293 (2006),
[CrossRef] [PubMed]

S. L. Pan, C. Y. Lou, and Y. Z. Gao, "Multiwavelength erbium-doped fiber laser based on inhomogeneous loss mechanism by use of a highly nonlinear fiber and a Fabry-Perot filter," Opt Express 14, 1113-1118 (2006),
[CrossRef] [PubMed]

Opt. Commun.

D. N. Wang, F. W. Tong, X. Fang, W. Jin, P. K. A. Wai, and J. M. Gong, "Multiwavelength erbium-doped fiber ring laser source with a hybrid gain medium," Opt. Commun. 228, 295-301 (2003).
[CrossRef]

Proc. SPIE

K. Zhou, J. Ngo, and J. P. Yao, "Comb filter based on all polarization maintaining fiber loop and its applications," Proc. SPIE 4833, 988-994 (2002).
[CrossRef]

Other

P. G. Agrawal, Nonlinear Fiber Optics (Academic Press, San Diego, 2001).

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Figures (4)

Fig. 1.
Fig. 1.

Schematic diagram of the present multi-wavelength fiber laser based on a line structure of EDF A and FRA.

Fig. 2.
Fig. 2.

Variation of the gain for signal #A influenced by signal #B at a neighboring channel (with wavelength difference Δλ.) for the RFA and EDFA.

Fig. 3.
Fig. 3.

Experimental results of the present multi-wavelength fiber laser. (a) Output spectrum; (b) Repeated scanning spectrum per minute; and (c) Fluctuation of each peak power within 15 minutes.

Fig. 4.
Fig. 4.

Repeated scanning spectrum of the laser per minute after removing the RFA part (i.e., DCF, LD2, LD3 and LD4).

Tables (2)

Tables Icon

Table 1. Input Parameters for Both Types of Amplification(a) FRA

Tables Icon

Table 2. Wavelengths and Powers of the Four Pump LDs Injected into the Line Cavity

Metrics