Abstract

An improved analytical model is presented for the design of <i>n</i>th-order cascaded Raman fiber lasers (CRFLs) by considering the variation of Raman fiber effective core area with Stokes wavelength. Using this model, we determine the approximate optimal Raman fiber length and output-coupler (OC) reflectivity which make pump-to-Stokes conversion efficiency maximum. The output performance for a fifth-order Ge-doped CRFL calculated by our model is compared with the published experimental data, and good agreements between them have been found. Our calculated results show that losses, including gray losses of fiber Bragg gratings and splicing losses of fibers, have a significant effect on CRFLs characteristics, and the conversion efficiency is insensitive to the variation of Raman fiber length or reflectivity of OC near the optimal value.

© 2007 IEEE

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  1. M. Rini, I. Cristiani, V. Degiorgio, "Numerical modeling and optimization of cascaded CW Raman fiber lasers," IEEE J. Quantum Electron. 36, 1117-1122 (2000).
  2. S. D. Jackson, P. H. Muir, "Theory and numerical simulation of nth-order cascaded Raman fiber lasers," J. Opt. Soc. Amer. B, Opt. Phys. 18, 1297-1306 (2001).
  3. B. Burgoyne, N. Godbout, S. Lacroix, "Theoretical analysis of nth-order cascaded continuous-wave Raman fiber lasers. I. Model and resolution," J. Opt. Soc. Amer. B, Opt. Phys. 22, 764-771 (2005).
  4. B. Burgoyne, N. Godbout, S. Lacroix, "Theoretical analysis of nth-order cascaded continuous-wave Raman fiber lasers. II. Optimization and design rules," J. Opt. Soc. Amer. B, Opt. Phys. 22, 772-776 (2005).
  5. T. Liu, X. Zhou, "Comment on ‘Theoretical analysis of nth-order cascaded continuous-wave Raman fiber lasers. II. Optimization and design rules’," J. Opt. Soc. Amer. B, Opt. Phys. 24, 28-29 (2007).
  6. F. Leplingard, C. Martinelli, S. Borne, L. Lorcy, D. Bayart, F. Castella, P. Chartier, E. Faou, "Modeling of multiwavelength Raman fiber lasers using a new and fast algorithm," IEEE Photon. Technol. Lett. 16, 2601-2603 (2004).
  7. Y. Wang, H. Po, "Characteristics of fibre Bragg gratings and influences on high-power Raman fibre lasers ," Meas. Sci. Technol. 14, 883-891 (2003).
  8. P. Suret, S. Randoux, "Influence of spectral broadening on steady characteristics of Raman fiber lasers: From experiments to questions about validity of usual models," Opt. Commun. 237, 201-212 (2004).

2007

T. Liu, X. Zhou, "Comment on ‘Theoretical analysis of nth-order cascaded continuous-wave Raman fiber lasers. II. Optimization and design rules’," J. Opt. Soc. Amer. B, Opt. Phys. 24, 28-29 (2007).

2005

B. Burgoyne, N. Godbout, S. Lacroix, "Theoretical analysis of nth-order cascaded continuous-wave Raman fiber lasers. I. Model and resolution," J. Opt. Soc. Amer. B, Opt. Phys. 22, 764-771 (2005).

B. Burgoyne, N. Godbout, S. Lacroix, "Theoretical analysis of nth-order cascaded continuous-wave Raman fiber lasers. II. Optimization and design rules," J. Opt. Soc. Amer. B, Opt. Phys. 22, 772-776 (2005).

2004

F. Leplingard, C. Martinelli, S. Borne, L. Lorcy, D. Bayart, F. Castella, P. Chartier, E. Faou, "Modeling of multiwavelength Raman fiber lasers using a new and fast algorithm," IEEE Photon. Technol. Lett. 16, 2601-2603 (2004).

P. Suret, S. Randoux, "Influence of spectral broadening on steady characteristics of Raman fiber lasers: From experiments to questions about validity of usual models," Opt. Commun. 237, 201-212 (2004).

2003

Y. Wang, H. Po, "Characteristics of fibre Bragg gratings and influences on high-power Raman fibre lasers ," Meas. Sci. Technol. 14, 883-891 (2003).

2001

S. D. Jackson, P. H. Muir, "Theory and numerical simulation of nth-order cascaded Raman fiber lasers," J. Opt. Soc. Amer. B, Opt. Phys. 18, 1297-1306 (2001).

2000

M. Rini, I. Cristiani, V. Degiorgio, "Numerical modeling and optimization of cascaded CW Raman fiber lasers," IEEE J. Quantum Electron. 36, 1117-1122 (2000).

IEEE J. Quantum Electron.

M. Rini, I. Cristiani, V. Degiorgio, "Numerical modeling and optimization of cascaded CW Raman fiber lasers," IEEE J. Quantum Electron. 36, 1117-1122 (2000).

IEEE Photon. Technol. Lett.

F. Leplingard, C. Martinelli, S. Borne, L. Lorcy, D. Bayart, F. Castella, P. Chartier, E. Faou, "Modeling of multiwavelength Raman fiber lasers using a new and fast algorithm," IEEE Photon. Technol. Lett. 16, 2601-2603 (2004).

J. Opt. Soc. Amer. B, Opt. Phys.

S. D. Jackson, P. H. Muir, "Theory and numerical simulation of nth-order cascaded Raman fiber lasers," J. Opt. Soc. Amer. B, Opt. Phys. 18, 1297-1306 (2001).

B. Burgoyne, N. Godbout, S. Lacroix, "Theoretical analysis of nth-order cascaded continuous-wave Raman fiber lasers. I. Model and resolution," J. Opt. Soc. Amer. B, Opt. Phys. 22, 764-771 (2005).

B. Burgoyne, N. Godbout, S. Lacroix, "Theoretical analysis of nth-order cascaded continuous-wave Raman fiber lasers. II. Optimization and design rules," J. Opt. Soc. Amer. B, Opt. Phys. 22, 772-776 (2005).

T. Liu, X. Zhou, "Comment on ‘Theoretical analysis of nth-order cascaded continuous-wave Raman fiber lasers. II. Optimization and design rules’," J. Opt. Soc. Amer. B, Opt. Phys. 24, 28-29 (2007).

Meas. Sci. Technol.

Y. Wang, H. Po, "Characteristics of fibre Bragg gratings and influences on high-power Raman fibre lasers ," Meas. Sci. Technol. 14, 883-891 (2003).

Opt. Commun.

P. Suret, S. Randoux, "Influence of spectral broadening on steady characteristics of Raman fiber lasers: From experiments to questions about validity of usual models," Opt. Commun. 237, 201-212 (2004).

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