Abstract

An actively mode-locked fiber laser with two overlapping cavities is proposed and successfully demonstrated to generate switchable quadruple-wavelength picosecond pulses. The wavelengths are specified by two Bragg gratings in polarization-maintaining and absorption-reducing fiber. By simple adjustment of two polarization controllers, the proposed laser can be made to operate at quadruple wavelength or to switch between wavelengths at room temperature. For wavelength switching, four single-wavelength, six dual-wavelength, and four triple-wavelength operations were performed without changing the repetition rate of the output pulses.

© 2004 Optical Society of America

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References

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  1. B. Bakhshi, P. A. Andrekson, “Dual-wavelength 10-GHz actively mode-locked erbium fiber laser,” IEEE Photon. Technol. Lett. 11, 1387–1389 (1999).
    [CrossRef]
  2. G. E. Town, L. Chen, P. W. E. Smith, “Dual wavelength modelocked fiber laser,” IEEE Photon. Technol. Lett. 12, 1459–1461 (2000).
    [CrossRef]
  3. S. Yang, Z. Li, S. Yuan, X. Dong, Q. Zhao, “Tunable dual-wavelength actively mode-locked fiber laser with an F-P semiconductor modulator,” IEEE Photon. Technol. Lett. 14, 1494–1496 (2002).
    [CrossRef]
  4. S. Li and, K. T. Chan, “A novel configuration for multiwavelength actively mode-locked fiber lasers using cascaded fiber Bragg gratings,” IEEE Photon. Technol. Lett. 11, 179–181 (1999).
    [CrossRef]
  5. L. R. Chen, G. E. Town, P. Y. Cortes, S. LaRochelle, P. W. E. Smith, “Dual-wavelength actively mode-locked fiber laser with 0.7 nm wavelength spacing,” Electron. Lett. 36, 1921–1922 (2000).
    [CrossRef]
  6. D. Zhao, K. T. Chan, Y. Liu, L. Zhang, I. Bennion, “Wavelength-switched optical pulse generation in a fiber ring laser with a Fabry-Perot semiconductor modulator and a sampled fiber Bragg grating,” IEEE Photon. Technol. Lett. 13, 191–193 (2001).
    [CrossRef]
  7. K. L. Lee, C. Shu, “Alternate and simultaneous generation of 1-GHz dual-wavelength pulse from an electrically tunable harmonically mode-locked fiber laser,” IEEE Photon. Technol. Lett. 12, 624–626 (2000).
    [CrossRef]
  8. J. W. Lou, T. E. Carruthers, M. Currie, “Mode-locked multiple-wavelength erbium-doped fiber laser in a sigma configuration,” IEEE Photon. Technol. Lett. 14, 281–283 (2002).
    [CrossRef]
  9. Z. Li, C. Lou, Y. Gao, K. T. Chan, “A dual-wavelength and dual-repetition-rate actively mode-locked fiber ring laser,” Opt. Commun. 185, 381–385 (2000).
    [CrossRef]
  10. D. Pudo, L. R. Chen, D. Giannone, L. Zhang, I. Bennion, “Actively mode-locked tunable dual-wavelength erbium-doped fiber laser,” IEEE Photon. Technol. Lett. 14, 143–145 (2002).
    [CrossRef]
  11. D. Pudo, L. R. Chen, “Actively modelocked, quadruple-wavelength fiber laser with pump-controlled wavelength switching,” Electron. Lett. 39, 272–274 (2003).
    [CrossRef]
  12. Y. S. Quan, Z. C. Liu, L. Z. Hui, Y. Shuzhong, K. Guiyun, D. Xiaoyi, “Optical pulse generation with different repetition rates in a dual-wavelength actively mode-locked fiber ring laser,” Chin. Phys. Lett. 19, 786–788 (2002).
    [CrossRef]
  13. Q. Mao, J. W. Y. Lit, “Multiwavelength erbium-doped fiber lasers with active overlapping linear cavities,” J. Lightwave Technol. 21, 160–169 (2003).
    [CrossRef]
  14. J. Hernandez-Cordero, V. A. Kozlov, A. L. G. Carter, T. F. Morse, “Fiber laser polarization tuning using a Bragg grating in a hi-bi fiber,” IEEE Photon. Technol. Lett. 10, 941–943 (1998).
    [CrossRef]

2003

D. Pudo, L. R. Chen, “Actively modelocked, quadruple-wavelength fiber laser with pump-controlled wavelength switching,” Electron. Lett. 39, 272–274 (2003).
[CrossRef]

Q. Mao, J. W. Y. Lit, “Multiwavelength erbium-doped fiber lasers with active overlapping linear cavities,” J. Lightwave Technol. 21, 160–169 (2003).
[CrossRef]

2002

Y. S. Quan, Z. C. Liu, L. Z. Hui, Y. Shuzhong, K. Guiyun, D. Xiaoyi, “Optical pulse generation with different repetition rates in a dual-wavelength actively mode-locked fiber ring laser,” Chin. Phys. Lett. 19, 786–788 (2002).
[CrossRef]

D. Pudo, L. R. Chen, D. Giannone, L. Zhang, I. Bennion, “Actively mode-locked tunable dual-wavelength erbium-doped fiber laser,” IEEE Photon. Technol. Lett. 14, 143–145 (2002).
[CrossRef]

S. Yang, Z. Li, S. Yuan, X. Dong, Q. Zhao, “Tunable dual-wavelength actively mode-locked fiber laser with an F-P semiconductor modulator,” IEEE Photon. Technol. Lett. 14, 1494–1496 (2002).
[CrossRef]

J. W. Lou, T. E. Carruthers, M. Currie, “Mode-locked multiple-wavelength erbium-doped fiber laser in a sigma configuration,” IEEE Photon. Technol. Lett. 14, 281–283 (2002).
[CrossRef]

2001

D. Zhao, K. T. Chan, Y. Liu, L. Zhang, I. Bennion, “Wavelength-switched optical pulse generation in a fiber ring laser with a Fabry-Perot semiconductor modulator and a sampled fiber Bragg grating,” IEEE Photon. Technol. Lett. 13, 191–193 (2001).
[CrossRef]

2000

K. L. Lee, C. Shu, “Alternate and simultaneous generation of 1-GHz dual-wavelength pulse from an electrically tunable harmonically mode-locked fiber laser,” IEEE Photon. Technol. Lett. 12, 624–626 (2000).
[CrossRef]

Z. Li, C. Lou, Y. Gao, K. T. Chan, “A dual-wavelength and dual-repetition-rate actively mode-locked fiber ring laser,” Opt. Commun. 185, 381–385 (2000).
[CrossRef]

G. E. Town, L. Chen, P. W. E. Smith, “Dual wavelength modelocked fiber laser,” IEEE Photon. Technol. Lett. 12, 1459–1461 (2000).
[CrossRef]

L. R. Chen, G. E. Town, P. Y. Cortes, S. LaRochelle, P. W. E. Smith, “Dual-wavelength actively mode-locked fiber laser with 0.7 nm wavelength spacing,” Electron. Lett. 36, 1921–1922 (2000).
[CrossRef]

1999

B. Bakhshi, P. A. Andrekson, “Dual-wavelength 10-GHz actively mode-locked erbium fiber laser,” IEEE Photon. Technol. Lett. 11, 1387–1389 (1999).
[CrossRef]

S. Li and, K. T. Chan, “A novel configuration for multiwavelength actively mode-locked fiber lasers using cascaded fiber Bragg gratings,” IEEE Photon. Technol. Lett. 11, 179–181 (1999).
[CrossRef]

1998

J. Hernandez-Cordero, V. A. Kozlov, A. L. G. Carter, T. F. Morse, “Fiber laser polarization tuning using a Bragg grating in a hi-bi fiber,” IEEE Photon. Technol. Lett. 10, 941–943 (1998).
[CrossRef]

Andrekson, P. A.

B. Bakhshi, P. A. Andrekson, “Dual-wavelength 10-GHz actively mode-locked erbium fiber laser,” IEEE Photon. Technol. Lett. 11, 1387–1389 (1999).
[CrossRef]

Bakhshi, B.

B. Bakhshi, P. A. Andrekson, “Dual-wavelength 10-GHz actively mode-locked erbium fiber laser,” IEEE Photon. Technol. Lett. 11, 1387–1389 (1999).
[CrossRef]

Bennion, I.

D. Pudo, L. R. Chen, D. Giannone, L. Zhang, I. Bennion, “Actively mode-locked tunable dual-wavelength erbium-doped fiber laser,” IEEE Photon. Technol. Lett. 14, 143–145 (2002).
[CrossRef]

D. Zhao, K. T. Chan, Y. Liu, L. Zhang, I. Bennion, “Wavelength-switched optical pulse generation in a fiber ring laser with a Fabry-Perot semiconductor modulator and a sampled fiber Bragg grating,” IEEE Photon. Technol. Lett. 13, 191–193 (2001).
[CrossRef]

Carruthers, T. E.

J. W. Lou, T. E. Carruthers, M. Currie, “Mode-locked multiple-wavelength erbium-doped fiber laser in a sigma configuration,” IEEE Photon. Technol. Lett. 14, 281–283 (2002).
[CrossRef]

Carter, A. L. G.

J. Hernandez-Cordero, V. A. Kozlov, A. L. G. Carter, T. F. Morse, “Fiber laser polarization tuning using a Bragg grating in a hi-bi fiber,” IEEE Photon. Technol. Lett. 10, 941–943 (1998).
[CrossRef]

Chan, K. T.

D. Zhao, K. T. Chan, Y. Liu, L. Zhang, I. Bennion, “Wavelength-switched optical pulse generation in a fiber ring laser with a Fabry-Perot semiconductor modulator and a sampled fiber Bragg grating,” IEEE Photon. Technol. Lett. 13, 191–193 (2001).
[CrossRef]

Z. Li, C. Lou, Y. Gao, K. T. Chan, “A dual-wavelength and dual-repetition-rate actively mode-locked fiber ring laser,” Opt. Commun. 185, 381–385 (2000).
[CrossRef]

S. Li and, K. T. Chan, “A novel configuration for multiwavelength actively mode-locked fiber lasers using cascaded fiber Bragg gratings,” IEEE Photon. Technol. Lett. 11, 179–181 (1999).
[CrossRef]

Chen, L.

G. E. Town, L. Chen, P. W. E. Smith, “Dual wavelength modelocked fiber laser,” IEEE Photon. Technol. Lett. 12, 1459–1461 (2000).
[CrossRef]

Chen, L. R.

D. Pudo, L. R. Chen, “Actively modelocked, quadruple-wavelength fiber laser with pump-controlled wavelength switching,” Electron. Lett. 39, 272–274 (2003).
[CrossRef]

D. Pudo, L. R. Chen, D. Giannone, L. Zhang, I. Bennion, “Actively mode-locked tunable dual-wavelength erbium-doped fiber laser,” IEEE Photon. Technol. Lett. 14, 143–145 (2002).
[CrossRef]

L. R. Chen, G. E. Town, P. Y. Cortes, S. LaRochelle, P. W. E. Smith, “Dual-wavelength actively mode-locked fiber laser with 0.7 nm wavelength spacing,” Electron. Lett. 36, 1921–1922 (2000).
[CrossRef]

Cortes, P. Y.

L. R. Chen, G. E. Town, P. Y. Cortes, S. LaRochelle, P. W. E. Smith, “Dual-wavelength actively mode-locked fiber laser with 0.7 nm wavelength spacing,” Electron. Lett. 36, 1921–1922 (2000).
[CrossRef]

Currie, M.

J. W. Lou, T. E. Carruthers, M. Currie, “Mode-locked multiple-wavelength erbium-doped fiber laser in a sigma configuration,” IEEE Photon. Technol. Lett. 14, 281–283 (2002).
[CrossRef]

Dong, X.

S. Yang, Z. Li, S. Yuan, X. Dong, Q. Zhao, “Tunable dual-wavelength actively mode-locked fiber laser with an F-P semiconductor modulator,” IEEE Photon. Technol. Lett. 14, 1494–1496 (2002).
[CrossRef]

Gao, Y.

Z. Li, C. Lou, Y. Gao, K. T. Chan, “A dual-wavelength and dual-repetition-rate actively mode-locked fiber ring laser,” Opt. Commun. 185, 381–385 (2000).
[CrossRef]

Giannone, D.

D. Pudo, L. R. Chen, D. Giannone, L. Zhang, I. Bennion, “Actively mode-locked tunable dual-wavelength erbium-doped fiber laser,” IEEE Photon. Technol. Lett. 14, 143–145 (2002).
[CrossRef]

Guiyun, K.

Y. S. Quan, Z. C. Liu, L. Z. Hui, Y. Shuzhong, K. Guiyun, D. Xiaoyi, “Optical pulse generation with different repetition rates in a dual-wavelength actively mode-locked fiber ring laser,” Chin. Phys. Lett. 19, 786–788 (2002).
[CrossRef]

Hernandez-Cordero, J.

J. Hernandez-Cordero, V. A. Kozlov, A. L. G. Carter, T. F. Morse, “Fiber laser polarization tuning using a Bragg grating in a hi-bi fiber,” IEEE Photon. Technol. Lett. 10, 941–943 (1998).
[CrossRef]

Hui, L. Z.

Y. S. Quan, Z. C. Liu, L. Z. Hui, Y. Shuzhong, K. Guiyun, D. Xiaoyi, “Optical pulse generation with different repetition rates in a dual-wavelength actively mode-locked fiber ring laser,” Chin. Phys. Lett. 19, 786–788 (2002).
[CrossRef]

Kozlov, V. A.

J. Hernandez-Cordero, V. A. Kozlov, A. L. G. Carter, T. F. Morse, “Fiber laser polarization tuning using a Bragg grating in a hi-bi fiber,” IEEE Photon. Technol. Lett. 10, 941–943 (1998).
[CrossRef]

LaRochelle, S.

L. R. Chen, G. E. Town, P. Y. Cortes, S. LaRochelle, P. W. E. Smith, “Dual-wavelength actively mode-locked fiber laser with 0.7 nm wavelength spacing,” Electron. Lett. 36, 1921–1922 (2000).
[CrossRef]

Lee, K. L.

K. L. Lee, C. Shu, “Alternate and simultaneous generation of 1-GHz dual-wavelength pulse from an electrically tunable harmonically mode-locked fiber laser,” IEEE Photon. Technol. Lett. 12, 624–626 (2000).
[CrossRef]

Li, Z.

S. Yang, Z. Li, S. Yuan, X. Dong, Q. Zhao, “Tunable dual-wavelength actively mode-locked fiber laser with an F-P semiconductor modulator,” IEEE Photon. Technol. Lett. 14, 1494–1496 (2002).
[CrossRef]

Z. Li, C. Lou, Y. Gao, K. T. Chan, “A dual-wavelength and dual-repetition-rate actively mode-locked fiber ring laser,” Opt. Commun. 185, 381–385 (2000).
[CrossRef]

Li and, S.

S. Li and, K. T. Chan, “A novel configuration for multiwavelength actively mode-locked fiber lasers using cascaded fiber Bragg gratings,” IEEE Photon. Technol. Lett. 11, 179–181 (1999).
[CrossRef]

Lit, J. W. Y.

Liu, Y.

D. Zhao, K. T. Chan, Y. Liu, L. Zhang, I. Bennion, “Wavelength-switched optical pulse generation in a fiber ring laser with a Fabry-Perot semiconductor modulator and a sampled fiber Bragg grating,” IEEE Photon. Technol. Lett. 13, 191–193 (2001).
[CrossRef]

Liu, Z. C.

Y. S. Quan, Z. C. Liu, L. Z. Hui, Y. Shuzhong, K. Guiyun, D. Xiaoyi, “Optical pulse generation with different repetition rates in a dual-wavelength actively mode-locked fiber ring laser,” Chin. Phys. Lett. 19, 786–788 (2002).
[CrossRef]

Lou, C.

Z. Li, C. Lou, Y. Gao, K. T. Chan, “A dual-wavelength and dual-repetition-rate actively mode-locked fiber ring laser,” Opt. Commun. 185, 381–385 (2000).
[CrossRef]

Lou, J. W.

J. W. Lou, T. E. Carruthers, M. Currie, “Mode-locked multiple-wavelength erbium-doped fiber laser in a sigma configuration,” IEEE Photon. Technol. Lett. 14, 281–283 (2002).
[CrossRef]

Mao, Q.

Morse, T. F.

J. Hernandez-Cordero, V. A. Kozlov, A. L. G. Carter, T. F. Morse, “Fiber laser polarization tuning using a Bragg grating in a hi-bi fiber,” IEEE Photon. Technol. Lett. 10, 941–943 (1998).
[CrossRef]

Pudo, D.

D. Pudo, L. R. Chen, “Actively modelocked, quadruple-wavelength fiber laser with pump-controlled wavelength switching,” Electron. Lett. 39, 272–274 (2003).
[CrossRef]

D. Pudo, L. R. Chen, D. Giannone, L. Zhang, I. Bennion, “Actively mode-locked tunable dual-wavelength erbium-doped fiber laser,” IEEE Photon. Technol. Lett. 14, 143–145 (2002).
[CrossRef]

Quan, Y. S.

Y. S. Quan, Z. C. Liu, L. Z. Hui, Y. Shuzhong, K. Guiyun, D. Xiaoyi, “Optical pulse generation with different repetition rates in a dual-wavelength actively mode-locked fiber ring laser,” Chin. Phys. Lett. 19, 786–788 (2002).
[CrossRef]

Shu, C.

K. L. Lee, C. Shu, “Alternate and simultaneous generation of 1-GHz dual-wavelength pulse from an electrically tunable harmonically mode-locked fiber laser,” IEEE Photon. Technol. Lett. 12, 624–626 (2000).
[CrossRef]

Shuzhong, Y.

Y. S. Quan, Z. C. Liu, L. Z. Hui, Y. Shuzhong, K. Guiyun, D. Xiaoyi, “Optical pulse generation with different repetition rates in a dual-wavelength actively mode-locked fiber ring laser,” Chin. Phys. Lett. 19, 786–788 (2002).
[CrossRef]

Smith, P. W. E.

L. R. Chen, G. E. Town, P. Y. Cortes, S. LaRochelle, P. W. E. Smith, “Dual-wavelength actively mode-locked fiber laser with 0.7 nm wavelength spacing,” Electron. Lett. 36, 1921–1922 (2000).
[CrossRef]

G. E. Town, L. Chen, P. W. E. Smith, “Dual wavelength modelocked fiber laser,” IEEE Photon. Technol. Lett. 12, 1459–1461 (2000).
[CrossRef]

Town, G. E.

G. E. Town, L. Chen, P. W. E. Smith, “Dual wavelength modelocked fiber laser,” IEEE Photon. Technol. Lett. 12, 1459–1461 (2000).
[CrossRef]

L. R. Chen, G. E. Town, P. Y. Cortes, S. LaRochelle, P. W. E. Smith, “Dual-wavelength actively mode-locked fiber laser with 0.7 nm wavelength spacing,” Electron. Lett. 36, 1921–1922 (2000).
[CrossRef]

Xiaoyi, D.

Y. S. Quan, Z. C. Liu, L. Z. Hui, Y. Shuzhong, K. Guiyun, D. Xiaoyi, “Optical pulse generation with different repetition rates in a dual-wavelength actively mode-locked fiber ring laser,” Chin. Phys. Lett. 19, 786–788 (2002).
[CrossRef]

Yang, S.

S. Yang, Z. Li, S. Yuan, X. Dong, Q. Zhao, “Tunable dual-wavelength actively mode-locked fiber laser with an F-P semiconductor modulator,” IEEE Photon. Technol. Lett. 14, 1494–1496 (2002).
[CrossRef]

Yuan, S.

S. Yang, Z. Li, S. Yuan, X. Dong, Q. Zhao, “Tunable dual-wavelength actively mode-locked fiber laser with an F-P semiconductor modulator,” IEEE Photon. Technol. Lett. 14, 1494–1496 (2002).
[CrossRef]

Zhang, L.

D. Pudo, L. R. Chen, D. Giannone, L. Zhang, I. Bennion, “Actively mode-locked tunable dual-wavelength erbium-doped fiber laser,” IEEE Photon. Technol. Lett. 14, 143–145 (2002).
[CrossRef]

D. Zhao, K. T. Chan, Y. Liu, L. Zhang, I. Bennion, “Wavelength-switched optical pulse generation in a fiber ring laser with a Fabry-Perot semiconductor modulator and a sampled fiber Bragg grating,” IEEE Photon. Technol. Lett. 13, 191–193 (2001).
[CrossRef]

Zhao, D.

D. Zhao, K. T. Chan, Y. Liu, L. Zhang, I. Bennion, “Wavelength-switched optical pulse generation in a fiber ring laser with a Fabry-Perot semiconductor modulator and a sampled fiber Bragg grating,” IEEE Photon. Technol. Lett. 13, 191–193 (2001).
[CrossRef]

Zhao, Q.

S. Yang, Z. Li, S. Yuan, X. Dong, Q. Zhao, “Tunable dual-wavelength actively mode-locked fiber laser with an F-P semiconductor modulator,” IEEE Photon. Technol. Lett. 14, 1494–1496 (2002).
[CrossRef]

Chin. Phys. Lett.

Y. S. Quan, Z. C. Liu, L. Z. Hui, Y. Shuzhong, K. Guiyun, D. Xiaoyi, “Optical pulse generation with different repetition rates in a dual-wavelength actively mode-locked fiber ring laser,” Chin. Phys. Lett. 19, 786–788 (2002).
[CrossRef]

Electron. Lett.

D. Pudo, L. R. Chen, “Actively modelocked, quadruple-wavelength fiber laser with pump-controlled wavelength switching,” Electron. Lett. 39, 272–274 (2003).
[CrossRef]

L. R. Chen, G. E. Town, P. Y. Cortes, S. LaRochelle, P. W. E. Smith, “Dual-wavelength actively mode-locked fiber laser with 0.7 nm wavelength spacing,” Electron. Lett. 36, 1921–1922 (2000).
[CrossRef]

IEEE Photon. Technol. Lett.

D. Zhao, K. T. Chan, Y. Liu, L. Zhang, I. Bennion, “Wavelength-switched optical pulse generation in a fiber ring laser with a Fabry-Perot semiconductor modulator and a sampled fiber Bragg grating,” IEEE Photon. Technol. Lett. 13, 191–193 (2001).
[CrossRef]

K. L. Lee, C. Shu, “Alternate and simultaneous generation of 1-GHz dual-wavelength pulse from an electrically tunable harmonically mode-locked fiber laser,” IEEE Photon. Technol. Lett. 12, 624–626 (2000).
[CrossRef]

J. W. Lou, T. E. Carruthers, M. Currie, “Mode-locked multiple-wavelength erbium-doped fiber laser in a sigma configuration,” IEEE Photon. Technol. Lett. 14, 281–283 (2002).
[CrossRef]

B. Bakhshi, P. A. Andrekson, “Dual-wavelength 10-GHz actively mode-locked erbium fiber laser,” IEEE Photon. Technol. Lett. 11, 1387–1389 (1999).
[CrossRef]

G. E. Town, L. Chen, P. W. E. Smith, “Dual wavelength modelocked fiber laser,” IEEE Photon. Technol. Lett. 12, 1459–1461 (2000).
[CrossRef]

S. Yang, Z. Li, S. Yuan, X. Dong, Q. Zhao, “Tunable dual-wavelength actively mode-locked fiber laser with an F-P semiconductor modulator,” IEEE Photon. Technol. Lett. 14, 1494–1496 (2002).
[CrossRef]

S. Li and, K. T. Chan, “A novel configuration for multiwavelength actively mode-locked fiber lasers using cascaded fiber Bragg gratings,” IEEE Photon. Technol. Lett. 11, 179–181 (1999).
[CrossRef]

D. Pudo, L. R. Chen, D. Giannone, L. Zhang, I. Bennion, “Actively mode-locked tunable dual-wavelength erbium-doped fiber laser,” IEEE Photon. Technol. Lett. 14, 143–145 (2002).
[CrossRef]

J. Hernandez-Cordero, V. A. Kozlov, A. L. G. Carter, T. F. Morse, “Fiber laser polarization tuning using a Bragg grating in a hi-bi fiber,” IEEE Photon. Technol. Lett. 10, 941–943 (1998).
[CrossRef]

J. Lightwave Technol.

Opt. Commun.

Z. Li, C. Lou, Y. Gao, K. T. Chan, “A dual-wavelength and dual-repetition-rate actively mode-locked fiber ring laser,” Opt. Commun. 185, 381–385 (2000).
[CrossRef]

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Figures (6)

Fig. 1
Fig. 1

Schematic diagram of the proposed laser.

Fig. 2
Fig. 2

Reflection spectrum of the cascaded FBGs.

Fig. 3
Fig. 3

Laser output from four-wavelength operation: (a) spectrum, (b) output pulses after 2.5-km propagation. Here and in succeeding figures, D means division.

Fig. 4
Fig. 4

Laser output from single-wavelength operation: (a) spectra, (b) output pulses after 2.5-km propagation.

Fig. 5
Fig. 5

Laser output from dual-wavelength operation: (a) spectrum, (b) output pulses after 2.5-km propagation.

Fig. 6
Fig. 6

Laser output from triple-wavelength operation: (a) spectrum, (b) output pulses after 2.5-km propagation.

Tables (1)

Tables Icon

Table 1 Output Characteristics of the Proposed Laser under Various Kinds of Operation

Equations (5)

Equations on this page are rendered with MathJax. Learn more.

R0Rjij lij2Gij2=1.
R0R1l112G112=1,
R0R2l212G212=1,
R0R3l312G312l322G322=1,
R0R4l412G412l422G422=1,

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