Abstract

We propose a novel high power random fiber laser (RFL) based on tapered fiber. It can overcome the power scaling limitation of RFL while maintaining good beam quality to a certain extent. An output power of 26.5 W has been achieved in a half-open cavity with one kilometer long tapered fiber whose core diameter gradually changes from 8 μm to 20 μm. The steady-state light propagation equations have been modified by taking into account the effective core area to demonstrate the tapered RFL through numerical calculations. The numerical model effectively describes the power characteristics of the tapered fiber based RFL, and both the calculating and experimental results show higher power exporting potential compared with the conventional single mode RFL.

© 2016 Optical Society of America

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References

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  1. D. V. Churkin, S. Sugavanam, I. D. Vatnik, Z. Wang, E. V. Podivilov, S. A. Babin, Y. Rao, and S. K. Turitsyn, “Recent advances in fundamentals and applications of random fiber lasers,” Adv. Opt. Photonics 7(3), 516–569 (2015).
    [Crossref]
  2. S. K. Turitsyn, S. A. Babin, D. V. Churkin, I. D. Vatnik, M. Nikulin, and E. V. Podivilov, “Random distributed feedback fibre lasers,” Phys. Rep. 542(2), 133–193 (2014).
    [Crossref]
  3. S. K. Turitsyn, S. A. Babin, A. E. El-Taher, P. Harper, D. V. Churkin, S. I. Kablukov, J. D. Ania-Castañón, V. Karalekas, and E. V. Podivilov, “Random distributed feedback fibre laser,” Nat. Photonics 4(4), 231–235 (2010).
    [Crossref]
  4. Z. Wang, H. Wu, M. Fan, L. Zhang, Y. Rao, W. Zhang, and X. Jia, “High power random fiber laser with short cavity length: theoretical and experimental investigations,” IEEE J. Sel. Top. Quantum Electron. 21(1), 900506 (2015).
  5. S. A. Babin, I. D. Vatnik, A. Y. Laptev, M. M. Bubnov, and E. M. Dianov, “High-efficiency cascaded Raman fiber laser with random distributed feedback,” Opt. Express 22(21), 24929–24934 (2014).
    [Crossref] [PubMed]
  6. H. Zhang, P. Zhou, H. Xiao, and X. Xu, “Efficient Raman fiber laser based on random Rayleigh distributed feedback with record high power,” Laser Phys. Lett. 11(7), 075104 (2014).
    [Crossref]
  7. X. Du, H. Zhang, P. Ma, H. Xiao, X. Wang, P. Zhou, and Z. Liu, “Kilowatt-level fiber amplifier with spectral-broadening-free property, seeded by a random fiber laser,” Opt. Lett. 40(22), 5311–5314 (2015).
    [Crossref] [PubMed]
  8. X. Du, H. Zhang, X. Wang, P. Zhou, and Z. Liu, “Short cavity-length random fiber laser with record power and ultrahigh efficiency,” Opt. Lett. 41(3), 571–574 (2016).
    [Crossref] [PubMed]
  9. I. D. Vatnik, D. V. Churkin, and S. A. Babin, “Power optimization of random distributed feedback fiber lasers,” Opt. Express 20(27), 28033–28038 (2012).
    [Crossref] [PubMed]
  10. V. Filippov, J. Kerttula, Y. Chamorovskii, K. Golant, and O. G. Okhotnikov, “Highly efficient 750 W tapered double-clad ytterbium fiber laser,” Opt. Express 18(12), 12499–12512 (2010).
    [Crossref] [PubMed]
  11. J. Kerttula, V. Filippov, Y. Chamorovskii, V. Ustimchik, K. Golant, and O. G. Okhotnikov, “Principles and performance of tapered fiber lasers: from uniform to flared geometry,” Appl. Opt. 51(29), 7025–7038 (2012).
    [Crossref] [PubMed]
  12. D. V. Churkin, S. A. Babin, A. E. El-Taher, P. Harper, S. I. Kablukov, V. Karalekas, J. D. Ania-Castañón, E. V. Podivilov, and S. K. Turitsyn, “Raman fiber lasers with a random distributed feedback based on Rayleigh scattering,” Phys. Rev. A 82(3), 033828 (2010).
    [Crossref]
  13. S. Sugavanam, N. Tarasov, X. Shu, and D. V. Churkin, “Narrow-band generation in random distributed feedback fiber laser,” Opt. Express 21(14), 16466–16472 (2013).
    [Crossref] [PubMed]
  14. S. V. Smirnov and D. V. Churkin, “Modeling of spectral and statistical properties of a random distributed feedback fiber laser,” Opt. Express 21(18), 21236–21241 (2013).
    [Crossref] [PubMed]
  15. R. H. Stolen, “Fiber Raman lasers,” Fiber Integr. Opt. 3(1), 21–51 (1980).
    [Crossref]
  16. W. P. Urquhart and P. J. Laybourn, “Effective core area for stimulated Raman scattering in single-mode optical fibres,” IEE Proc., J Optoelectron. 132(4), 201–204 (1985).
    [Crossref]

2016 (1)

2015 (3)

X. Du, H. Zhang, P. Ma, H. Xiao, X. Wang, P. Zhou, and Z. Liu, “Kilowatt-level fiber amplifier with spectral-broadening-free property, seeded by a random fiber laser,” Opt. Lett. 40(22), 5311–5314 (2015).
[Crossref] [PubMed]

Z. Wang, H. Wu, M. Fan, L. Zhang, Y. Rao, W. Zhang, and X. Jia, “High power random fiber laser with short cavity length: theoretical and experimental investigations,” IEEE J. Sel. Top. Quantum Electron. 21(1), 900506 (2015).

D. V. Churkin, S. Sugavanam, I. D. Vatnik, Z. Wang, E. V. Podivilov, S. A. Babin, Y. Rao, and S. K. Turitsyn, “Recent advances in fundamentals and applications of random fiber lasers,” Adv. Opt. Photonics 7(3), 516–569 (2015).
[Crossref]

2014 (3)

S. K. Turitsyn, S. A. Babin, D. V. Churkin, I. D. Vatnik, M. Nikulin, and E. V. Podivilov, “Random distributed feedback fibre lasers,” Phys. Rep. 542(2), 133–193 (2014).
[Crossref]

H. Zhang, P. Zhou, H. Xiao, and X. Xu, “Efficient Raman fiber laser based on random Rayleigh distributed feedback with record high power,” Laser Phys. Lett. 11(7), 075104 (2014).
[Crossref]

S. A. Babin, I. D. Vatnik, A. Y. Laptev, M. M. Bubnov, and E. M. Dianov, “High-efficiency cascaded Raman fiber laser with random distributed feedback,” Opt. Express 22(21), 24929–24934 (2014).
[Crossref] [PubMed]

2013 (2)

2012 (2)

2010 (3)

D. V. Churkin, S. A. Babin, A. E. El-Taher, P. Harper, S. I. Kablukov, V. Karalekas, J. D. Ania-Castañón, E. V. Podivilov, and S. K. Turitsyn, “Raman fiber lasers with a random distributed feedback based on Rayleigh scattering,” Phys. Rev. A 82(3), 033828 (2010).
[Crossref]

S. K. Turitsyn, S. A. Babin, A. E. El-Taher, P. Harper, D. V. Churkin, S. I. Kablukov, J. D. Ania-Castañón, V. Karalekas, and E. V. Podivilov, “Random distributed feedback fibre laser,” Nat. Photonics 4(4), 231–235 (2010).
[Crossref]

V. Filippov, J. Kerttula, Y. Chamorovskii, K. Golant, and O. G. Okhotnikov, “Highly efficient 750 W tapered double-clad ytterbium fiber laser,” Opt. Express 18(12), 12499–12512 (2010).
[Crossref] [PubMed]

1985 (1)

W. P. Urquhart and P. J. Laybourn, “Effective core area for stimulated Raman scattering in single-mode optical fibres,” IEE Proc., J Optoelectron. 132(4), 201–204 (1985).
[Crossref]

1980 (1)

R. H. Stolen, “Fiber Raman lasers,” Fiber Integr. Opt. 3(1), 21–51 (1980).
[Crossref]

Ania-Castañón, J. D.

S. K. Turitsyn, S. A. Babin, A. E. El-Taher, P. Harper, D. V. Churkin, S. I. Kablukov, J. D. Ania-Castañón, V. Karalekas, and E. V. Podivilov, “Random distributed feedback fibre laser,” Nat. Photonics 4(4), 231–235 (2010).
[Crossref]

D. V. Churkin, S. A. Babin, A. E. El-Taher, P. Harper, S. I. Kablukov, V. Karalekas, J. D. Ania-Castañón, E. V. Podivilov, and S. K. Turitsyn, “Raman fiber lasers with a random distributed feedback based on Rayleigh scattering,” Phys. Rev. A 82(3), 033828 (2010).
[Crossref]

Babin, S. A.

D. V. Churkin, S. Sugavanam, I. D. Vatnik, Z. Wang, E. V. Podivilov, S. A. Babin, Y. Rao, and S. K. Turitsyn, “Recent advances in fundamentals and applications of random fiber lasers,” Adv. Opt. Photonics 7(3), 516–569 (2015).
[Crossref]

S. K. Turitsyn, S. A. Babin, D. V. Churkin, I. D. Vatnik, M. Nikulin, and E. V. Podivilov, “Random distributed feedback fibre lasers,” Phys. Rep. 542(2), 133–193 (2014).
[Crossref]

S. A. Babin, I. D. Vatnik, A. Y. Laptev, M. M. Bubnov, and E. M. Dianov, “High-efficiency cascaded Raman fiber laser with random distributed feedback,” Opt. Express 22(21), 24929–24934 (2014).
[Crossref] [PubMed]

I. D. Vatnik, D. V. Churkin, and S. A. Babin, “Power optimization of random distributed feedback fiber lasers,” Opt. Express 20(27), 28033–28038 (2012).
[Crossref] [PubMed]

S. K. Turitsyn, S. A. Babin, A. E. El-Taher, P. Harper, D. V. Churkin, S. I. Kablukov, J. D. Ania-Castañón, V. Karalekas, and E. V. Podivilov, “Random distributed feedback fibre laser,” Nat. Photonics 4(4), 231–235 (2010).
[Crossref]

D. V. Churkin, S. A. Babin, A. E. El-Taher, P. Harper, S. I. Kablukov, V. Karalekas, J. D. Ania-Castañón, E. V. Podivilov, and S. K. Turitsyn, “Raman fiber lasers with a random distributed feedback based on Rayleigh scattering,” Phys. Rev. A 82(3), 033828 (2010).
[Crossref]

Bubnov, M. M.

Chamorovskii, Y.

Churkin, D. V.

D. V. Churkin, S. Sugavanam, I. D. Vatnik, Z. Wang, E. V. Podivilov, S. A. Babin, Y. Rao, and S. K. Turitsyn, “Recent advances in fundamentals and applications of random fiber lasers,” Adv. Opt. Photonics 7(3), 516–569 (2015).
[Crossref]

S. K. Turitsyn, S. A. Babin, D. V. Churkin, I. D. Vatnik, M. Nikulin, and E. V. Podivilov, “Random distributed feedback fibre lasers,” Phys. Rep. 542(2), 133–193 (2014).
[Crossref]

S. Sugavanam, N. Tarasov, X. Shu, and D. V. Churkin, “Narrow-band generation in random distributed feedback fiber laser,” Opt. Express 21(14), 16466–16472 (2013).
[Crossref] [PubMed]

S. V. Smirnov and D. V. Churkin, “Modeling of spectral and statistical properties of a random distributed feedback fiber laser,” Opt. Express 21(18), 21236–21241 (2013).
[Crossref] [PubMed]

I. D. Vatnik, D. V. Churkin, and S. A. Babin, “Power optimization of random distributed feedback fiber lasers,” Opt. Express 20(27), 28033–28038 (2012).
[Crossref] [PubMed]

D. V. Churkin, S. A. Babin, A. E. El-Taher, P. Harper, S. I. Kablukov, V. Karalekas, J. D. Ania-Castañón, E. V. Podivilov, and S. K. Turitsyn, “Raman fiber lasers with a random distributed feedback based on Rayleigh scattering,” Phys. Rev. A 82(3), 033828 (2010).
[Crossref]

S. K. Turitsyn, S. A. Babin, A. E. El-Taher, P. Harper, D. V. Churkin, S. I. Kablukov, J. D. Ania-Castañón, V. Karalekas, and E. V. Podivilov, “Random distributed feedback fibre laser,” Nat. Photonics 4(4), 231–235 (2010).
[Crossref]

Dianov, E. M.

Du, X.

El-Taher, A. E.

S. K. Turitsyn, S. A. Babin, A. E. El-Taher, P. Harper, D. V. Churkin, S. I. Kablukov, J. D. Ania-Castañón, V. Karalekas, and E. V. Podivilov, “Random distributed feedback fibre laser,” Nat. Photonics 4(4), 231–235 (2010).
[Crossref]

D. V. Churkin, S. A. Babin, A. E. El-Taher, P. Harper, S. I. Kablukov, V. Karalekas, J. D. Ania-Castañón, E. V. Podivilov, and S. K. Turitsyn, “Raman fiber lasers with a random distributed feedback based on Rayleigh scattering,” Phys. Rev. A 82(3), 033828 (2010).
[Crossref]

Fan, M.

Z. Wang, H. Wu, M. Fan, L. Zhang, Y. Rao, W. Zhang, and X. Jia, “High power random fiber laser with short cavity length: theoretical and experimental investigations,” IEEE J. Sel. Top. Quantum Electron. 21(1), 900506 (2015).

Filippov, V.

Golant, K.

Harper, P.

D. V. Churkin, S. A. Babin, A. E. El-Taher, P. Harper, S. I. Kablukov, V. Karalekas, J. D. Ania-Castañón, E. V. Podivilov, and S. K. Turitsyn, “Raman fiber lasers with a random distributed feedback based on Rayleigh scattering,” Phys. Rev. A 82(3), 033828 (2010).
[Crossref]

S. K. Turitsyn, S. A. Babin, A. E. El-Taher, P. Harper, D. V. Churkin, S. I. Kablukov, J. D. Ania-Castañón, V. Karalekas, and E. V. Podivilov, “Random distributed feedback fibre laser,” Nat. Photonics 4(4), 231–235 (2010).
[Crossref]

Jia, X.

Z. Wang, H. Wu, M. Fan, L. Zhang, Y. Rao, W. Zhang, and X. Jia, “High power random fiber laser with short cavity length: theoretical and experimental investigations,” IEEE J. Sel. Top. Quantum Electron. 21(1), 900506 (2015).

Kablukov, S. I.

D. V. Churkin, S. A. Babin, A. E. El-Taher, P. Harper, S. I. Kablukov, V. Karalekas, J. D. Ania-Castañón, E. V. Podivilov, and S. K. Turitsyn, “Raman fiber lasers with a random distributed feedback based on Rayleigh scattering,” Phys. Rev. A 82(3), 033828 (2010).
[Crossref]

S. K. Turitsyn, S. A. Babin, A. E. El-Taher, P. Harper, D. V. Churkin, S. I. Kablukov, J. D. Ania-Castañón, V. Karalekas, and E. V. Podivilov, “Random distributed feedback fibre laser,” Nat. Photonics 4(4), 231–235 (2010).
[Crossref]

Karalekas, V.

D. V. Churkin, S. A. Babin, A. E. El-Taher, P. Harper, S. I. Kablukov, V. Karalekas, J. D. Ania-Castañón, E. V. Podivilov, and S. K. Turitsyn, “Raman fiber lasers with a random distributed feedback based on Rayleigh scattering,” Phys. Rev. A 82(3), 033828 (2010).
[Crossref]

S. K. Turitsyn, S. A. Babin, A. E. El-Taher, P. Harper, D. V. Churkin, S. I. Kablukov, J. D. Ania-Castañón, V. Karalekas, and E. V. Podivilov, “Random distributed feedback fibre laser,” Nat. Photonics 4(4), 231–235 (2010).
[Crossref]

Kerttula, J.

Laptev, A. Y.

Laybourn, P. J.

W. P. Urquhart and P. J. Laybourn, “Effective core area for stimulated Raman scattering in single-mode optical fibres,” IEE Proc., J Optoelectron. 132(4), 201–204 (1985).
[Crossref]

Liu, Z.

Ma, P.

Nikulin, M.

S. K. Turitsyn, S. A. Babin, D. V. Churkin, I. D. Vatnik, M. Nikulin, and E. V. Podivilov, “Random distributed feedback fibre lasers,” Phys. Rep. 542(2), 133–193 (2014).
[Crossref]

Okhotnikov, O. G.

Podivilov, E. V.

D. V. Churkin, S. Sugavanam, I. D. Vatnik, Z. Wang, E. V. Podivilov, S. A. Babin, Y. Rao, and S. K. Turitsyn, “Recent advances in fundamentals and applications of random fiber lasers,” Adv. Opt. Photonics 7(3), 516–569 (2015).
[Crossref]

S. K. Turitsyn, S. A. Babin, D. V. Churkin, I. D. Vatnik, M. Nikulin, and E. V. Podivilov, “Random distributed feedback fibre lasers,” Phys. Rep. 542(2), 133–193 (2014).
[Crossref]

S. K. Turitsyn, S. A. Babin, A. E. El-Taher, P. Harper, D. V. Churkin, S. I. Kablukov, J. D. Ania-Castañón, V. Karalekas, and E. V. Podivilov, “Random distributed feedback fibre laser,” Nat. Photonics 4(4), 231–235 (2010).
[Crossref]

D. V. Churkin, S. A. Babin, A. E. El-Taher, P. Harper, S. I. Kablukov, V. Karalekas, J. D. Ania-Castañón, E. V. Podivilov, and S. K. Turitsyn, “Raman fiber lasers with a random distributed feedback based on Rayleigh scattering,” Phys. Rev. A 82(3), 033828 (2010).
[Crossref]

Rao, Y.

Z. Wang, H. Wu, M. Fan, L. Zhang, Y. Rao, W. Zhang, and X. Jia, “High power random fiber laser with short cavity length: theoretical and experimental investigations,” IEEE J. Sel. Top. Quantum Electron. 21(1), 900506 (2015).

D. V. Churkin, S. Sugavanam, I. D. Vatnik, Z. Wang, E. V. Podivilov, S. A. Babin, Y. Rao, and S. K. Turitsyn, “Recent advances in fundamentals and applications of random fiber lasers,” Adv. Opt. Photonics 7(3), 516–569 (2015).
[Crossref]

Shu, X.

Smirnov, S. V.

Stolen, R. H.

R. H. Stolen, “Fiber Raman lasers,” Fiber Integr. Opt. 3(1), 21–51 (1980).
[Crossref]

Sugavanam, S.

D. V. Churkin, S. Sugavanam, I. D. Vatnik, Z. Wang, E. V. Podivilov, S. A. Babin, Y. Rao, and S. K. Turitsyn, “Recent advances in fundamentals and applications of random fiber lasers,” Adv. Opt. Photonics 7(3), 516–569 (2015).
[Crossref]

S. Sugavanam, N. Tarasov, X. Shu, and D. V. Churkin, “Narrow-band generation in random distributed feedback fiber laser,” Opt. Express 21(14), 16466–16472 (2013).
[Crossref] [PubMed]

Tarasov, N.

Turitsyn, S. K.

D. V. Churkin, S. Sugavanam, I. D. Vatnik, Z. Wang, E. V. Podivilov, S. A. Babin, Y. Rao, and S. K. Turitsyn, “Recent advances in fundamentals and applications of random fiber lasers,” Adv. Opt. Photonics 7(3), 516–569 (2015).
[Crossref]

S. K. Turitsyn, S. A. Babin, D. V. Churkin, I. D. Vatnik, M. Nikulin, and E. V. Podivilov, “Random distributed feedback fibre lasers,” Phys. Rep. 542(2), 133–193 (2014).
[Crossref]

S. K. Turitsyn, S. A. Babin, A. E. El-Taher, P. Harper, D. V. Churkin, S. I. Kablukov, J. D. Ania-Castañón, V. Karalekas, and E. V. Podivilov, “Random distributed feedback fibre laser,” Nat. Photonics 4(4), 231–235 (2010).
[Crossref]

D. V. Churkin, S. A. Babin, A. E. El-Taher, P. Harper, S. I. Kablukov, V. Karalekas, J. D. Ania-Castañón, E. V. Podivilov, and S. K. Turitsyn, “Raman fiber lasers with a random distributed feedback based on Rayleigh scattering,” Phys. Rev. A 82(3), 033828 (2010).
[Crossref]

Urquhart, W. P.

W. P. Urquhart and P. J. Laybourn, “Effective core area for stimulated Raman scattering in single-mode optical fibres,” IEE Proc., J Optoelectron. 132(4), 201–204 (1985).
[Crossref]

Ustimchik, V.

Vatnik, I. D.

D. V. Churkin, S. Sugavanam, I. D. Vatnik, Z. Wang, E. V. Podivilov, S. A. Babin, Y. Rao, and S. K. Turitsyn, “Recent advances in fundamentals and applications of random fiber lasers,” Adv. Opt. Photonics 7(3), 516–569 (2015).
[Crossref]

S. K. Turitsyn, S. A. Babin, D. V. Churkin, I. D. Vatnik, M. Nikulin, and E. V. Podivilov, “Random distributed feedback fibre lasers,” Phys. Rep. 542(2), 133–193 (2014).
[Crossref]

S. A. Babin, I. D. Vatnik, A. Y. Laptev, M. M. Bubnov, and E. M. Dianov, “High-efficiency cascaded Raman fiber laser with random distributed feedback,” Opt. Express 22(21), 24929–24934 (2014).
[Crossref] [PubMed]

I. D. Vatnik, D. V. Churkin, and S. A. Babin, “Power optimization of random distributed feedback fiber lasers,” Opt. Express 20(27), 28033–28038 (2012).
[Crossref] [PubMed]

Wang, X.

Wang, Z.

D. V. Churkin, S. Sugavanam, I. D. Vatnik, Z. Wang, E. V. Podivilov, S. A. Babin, Y. Rao, and S. K. Turitsyn, “Recent advances in fundamentals and applications of random fiber lasers,” Adv. Opt. Photonics 7(3), 516–569 (2015).
[Crossref]

Z. Wang, H. Wu, M. Fan, L. Zhang, Y. Rao, W. Zhang, and X. Jia, “High power random fiber laser with short cavity length: theoretical and experimental investigations,” IEEE J. Sel. Top. Quantum Electron. 21(1), 900506 (2015).

Wu, H.

Z. Wang, H. Wu, M. Fan, L. Zhang, Y. Rao, W. Zhang, and X. Jia, “High power random fiber laser with short cavity length: theoretical and experimental investigations,” IEEE J. Sel. Top. Quantum Electron. 21(1), 900506 (2015).

Xiao, H.

X. Du, H. Zhang, P. Ma, H. Xiao, X. Wang, P. Zhou, and Z. Liu, “Kilowatt-level fiber amplifier with spectral-broadening-free property, seeded by a random fiber laser,” Opt. Lett. 40(22), 5311–5314 (2015).
[Crossref] [PubMed]

H. Zhang, P. Zhou, H. Xiao, and X. Xu, “Efficient Raman fiber laser based on random Rayleigh distributed feedback with record high power,” Laser Phys. Lett. 11(7), 075104 (2014).
[Crossref]

Xu, X.

H. Zhang, P. Zhou, H. Xiao, and X. Xu, “Efficient Raman fiber laser based on random Rayleigh distributed feedback with record high power,” Laser Phys. Lett. 11(7), 075104 (2014).
[Crossref]

Zhang, H.

Zhang, L.

Z. Wang, H. Wu, M. Fan, L. Zhang, Y. Rao, W. Zhang, and X. Jia, “High power random fiber laser with short cavity length: theoretical and experimental investigations,” IEEE J. Sel. Top. Quantum Electron. 21(1), 900506 (2015).

Zhang, W.

Z. Wang, H. Wu, M. Fan, L. Zhang, Y. Rao, W. Zhang, and X. Jia, “High power random fiber laser with short cavity length: theoretical and experimental investigations,” IEEE J. Sel. Top. Quantum Electron. 21(1), 900506 (2015).

Zhou, P.

Adv. Opt. Photonics (1)

D. V. Churkin, S. Sugavanam, I. D. Vatnik, Z. Wang, E. V. Podivilov, S. A. Babin, Y. Rao, and S. K. Turitsyn, “Recent advances in fundamentals and applications of random fiber lasers,” Adv. Opt. Photonics 7(3), 516–569 (2015).
[Crossref]

Appl. Opt. (1)

Fiber Integr. Opt. (1)

R. H. Stolen, “Fiber Raman lasers,” Fiber Integr. Opt. 3(1), 21–51 (1980).
[Crossref]

IEE Proc., J Optoelectron. (1)

W. P. Urquhart and P. J. Laybourn, “Effective core area for stimulated Raman scattering in single-mode optical fibres,” IEE Proc., J Optoelectron. 132(4), 201–204 (1985).
[Crossref]

IEEE J. Sel. Top. Quantum Electron. (1)

Z. Wang, H. Wu, M. Fan, L. Zhang, Y. Rao, W. Zhang, and X. Jia, “High power random fiber laser with short cavity length: theoretical and experimental investigations,” IEEE J. Sel. Top. Quantum Electron. 21(1), 900506 (2015).

Laser Phys. Lett. (1)

H. Zhang, P. Zhou, H. Xiao, and X. Xu, “Efficient Raman fiber laser based on random Rayleigh distributed feedback with record high power,” Laser Phys. Lett. 11(7), 075104 (2014).
[Crossref]

Nat. Photonics (1)

S. K. Turitsyn, S. A. Babin, A. E. El-Taher, P. Harper, D. V. Churkin, S. I. Kablukov, J. D. Ania-Castañón, V. Karalekas, and E. V. Podivilov, “Random distributed feedback fibre laser,” Nat. Photonics 4(4), 231–235 (2010).
[Crossref]

Opt. Express (5)

Opt. Lett. (2)

Phys. Rep. (1)

S. K. Turitsyn, S. A. Babin, D. V. Churkin, I. D. Vatnik, M. Nikulin, and E. V. Podivilov, “Random distributed feedback fibre lasers,” Phys. Rep. 542(2), 133–193 (2014).
[Crossref]

Phys. Rev. A (1)

D. V. Churkin, S. A. Babin, A. E. El-Taher, P. Harper, S. I. Kablukov, V. Karalekas, J. D. Ania-Castañón, E. V. Podivilov, and S. K. Turitsyn, “Raman fiber lasers with a random distributed feedback based on Rayleigh scattering,” Phys. Rev. A 82(3), 033828 (2010).
[Crossref]

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Figures (8)

Fig. 1
Fig. 1 Principle of the tapered fiber based random fiber laser. FBG: fiber Bragg grating.
Fig. 2
Fig. 2 The output power of 1st Stokes, 2nd Stokes, and residual pump waves as a function of total input pump power for the TF RFL (dots: experimental data; solid line: numerical simulation result); Inset: the dependence of Aeff on the fiber position.
Fig. 3
Fig. 3 The temporal behavior of 1st Stokes wave at maximum power; Inset: corresponding RF spectrum.
Fig. 4
Fig. 4 (a) The output spectra of the tapered fiber based RFL under different pump power; (b) the FWHM of tapered fiber based RFL and flat-cutting-end assisted Raman oscillator.
Fig. 5
Fig. 5 Far-field beam shape of the TF RFL.
Fig. 6
Fig. 6 The output power of 1st order Stokes, 2nd order Stokes, and residual pump waves as a function of total input pump power in the case of 99%-4% cavity (dots: experimental data; solid line: numerical simulation result).
Fig. 7
Fig. 7 The calculated threshold and maximum power of 1st Stokes wave for tapered fiber (blue) and SMF (red).
Fig. 8
Fig. 8 The ratio of achievable maximum power between tapered fiber and SMF.

Equations (6)

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d P 0 d z = λ 1 λ 0 g R 1 A e f f ( P 1 + + P 1 + 4 h v 1 Δ v 1 B 1 ) P 0 α 0 P 0
± d P 1 ± d z = g R 1 A e f f P 0 ( P 1 ± + 2 h v 1 Δ v 1 B 1 ) + ε 1 P 1 λ 2 λ 1 g R 2 A e f f ( P 2 + + P 2 + 4 h v 2 Δ v 2 B 2 ) P 1 ± α 1 P 1 ±
± d P 2 ± d z = g R 2 A e f f ( P 1 + + P 1 ) ( P 2 ± + 2 h v 2 Δ v 2 B 2 ) + ε 2 P 2 α 2 P 2 ±
B j = 1 + 1 exp [ h ( v j v j 1 ) k B T ] 1 ( j = 1 , 2 )
A e f f = 2 π W 2
W ( V ) = a 2 ( 0.65 + 1.619 V 3 / 2 + 2.879 V 6 )

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