Abstract

A pump/signal fiber coupler with functions of pump light coupling and high-order-mode suppression is reported. This coupler is composed of pump fibers and a double-clad fiber (DCF) with high pump-coupling efficiency. The core of DCF is microdeformed in the coupling region, which serves mode selection. Theoretical analysis and experimental results verify these functions. In the experiment, the pump-coupling and signal-transmitting efficiency of the coupler were 98% and 96%, respectively. This coupler can prevent mode distortion with fundamental mode launching, and improve the fiber laser beam quality with high-order-mode launching.

© 2013 Optical Society of America

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  1. J. P. Koplow, D. A. V. Kliner, and L. Goldberg, Opt. Lett. 25, 442 (2000).
    [CrossRef]
  2. V. Filippov, Y. Chamorovskii, J. Kerttula, A. Kholodkov, and O. Okhotnikov, Opt. Express 17, 1203 (2009).
    [CrossRef]
  3. J. Limpert, H. Zellmer, A. Tünnermann, T. Pertsch, and F. Lederer, in Advanced Solid State Lasers, OSA Technical Digest (CD) (Optical Society of America, 2002), paper MB20.
  4. S. Huang, C. Zhu, C. Liu, X. Ma, C. Swan, and A. Galvanauskas, in Conference on Lasers and Electro-Optics (IEEE, 2009), paper CThGG1.
  5. F. Hakimi and H. Hakimi, in Conference on Lasers and Electro-Optics (IEEE, 2001), paper CTUD2.
  6. D. J. Ripin and L. Goldberg, Electron. Lett. 31, 2204 (1995).
    [CrossRef]
  7. W. M. Sean, P. K. Jeffrey, H. Andrea, W. Georg, and A. K. Dahv, in Conference on Lasers and Electro-Optics (IEEE, 2008), paper CThL2.
  8. C.-W. Huang, C.-L. Chang, C.-H. Kuan, S.-L. Huang, and D.-W. Huang, J. Lightwave Technol. 30, 1743 (2012).
    [CrossRef]
  9. C. Jauregui, S. Bhme, G. Wenetiadis, J. Limpert, and A. Tünnermann, J. Opt. Soc. Am. B 27, 1011 (2010).
    [CrossRef]
  10. K. Okamoto, Fundamentals of Optical Waveguides(Elsevier, 2006), pp. 329–385.

2012 (1)

2010 (1)

2009 (1)

2000 (1)

1995 (1)

D. J. Ripin and L. Goldberg, Electron. Lett. 31, 2204 (1995).
[CrossRef]

Andrea, H.

W. M. Sean, P. K. Jeffrey, H. Andrea, W. Georg, and A. K. Dahv, in Conference on Lasers and Electro-Optics (IEEE, 2008), paper CThL2.

Bhme, S.

Chamorovskii, Y.

Chang, C.-L.

Dahv, A. K.

W. M. Sean, P. K. Jeffrey, H. Andrea, W. Georg, and A. K. Dahv, in Conference on Lasers and Electro-Optics (IEEE, 2008), paper CThL2.

Filippov, V.

Galvanauskas, A.

S. Huang, C. Zhu, C. Liu, X. Ma, C. Swan, and A. Galvanauskas, in Conference on Lasers and Electro-Optics (IEEE, 2009), paper CThGG1.

Georg, W.

W. M. Sean, P. K. Jeffrey, H. Andrea, W. Georg, and A. K. Dahv, in Conference on Lasers and Electro-Optics (IEEE, 2008), paper CThL2.

Goldberg, L.

J. P. Koplow, D. A. V. Kliner, and L. Goldberg, Opt. Lett. 25, 442 (2000).
[CrossRef]

D. J. Ripin and L. Goldberg, Electron. Lett. 31, 2204 (1995).
[CrossRef]

Hakimi, F.

F. Hakimi and H. Hakimi, in Conference on Lasers and Electro-Optics (IEEE, 2001), paper CTUD2.

Hakimi, H.

F. Hakimi and H. Hakimi, in Conference on Lasers and Electro-Optics (IEEE, 2001), paper CTUD2.

Huang, C.-W.

Huang, D.-W.

Huang, S.

S. Huang, C. Zhu, C. Liu, X. Ma, C. Swan, and A. Galvanauskas, in Conference on Lasers and Electro-Optics (IEEE, 2009), paper CThGG1.

Huang, S.-L.

Jauregui, C.

Jeffrey, P. K.

W. M. Sean, P. K. Jeffrey, H. Andrea, W. Georg, and A. K. Dahv, in Conference on Lasers and Electro-Optics (IEEE, 2008), paper CThL2.

Kerttula, J.

Kholodkov, A.

Kliner, D. A. V.

Koplow, J. P.

Kuan, C.-H.

Lederer, F.

J. Limpert, H. Zellmer, A. Tünnermann, T. Pertsch, and F. Lederer, in Advanced Solid State Lasers, OSA Technical Digest (CD) (Optical Society of America, 2002), paper MB20.

Limpert, J.

C. Jauregui, S. Bhme, G. Wenetiadis, J. Limpert, and A. Tünnermann, J. Opt. Soc. Am. B 27, 1011 (2010).
[CrossRef]

J. Limpert, H. Zellmer, A. Tünnermann, T. Pertsch, and F. Lederer, in Advanced Solid State Lasers, OSA Technical Digest (CD) (Optical Society of America, 2002), paper MB20.

Liu, C.

S. Huang, C. Zhu, C. Liu, X. Ma, C. Swan, and A. Galvanauskas, in Conference on Lasers and Electro-Optics (IEEE, 2009), paper CThGG1.

Ma, X.

S. Huang, C. Zhu, C. Liu, X. Ma, C. Swan, and A. Galvanauskas, in Conference on Lasers and Electro-Optics (IEEE, 2009), paper CThGG1.

Okamoto, K.

K. Okamoto, Fundamentals of Optical Waveguides(Elsevier, 2006), pp. 329–385.

Okhotnikov, O.

Pertsch, T.

J. Limpert, H. Zellmer, A. Tünnermann, T. Pertsch, and F. Lederer, in Advanced Solid State Lasers, OSA Technical Digest (CD) (Optical Society of America, 2002), paper MB20.

Ripin, D. J.

D. J. Ripin and L. Goldberg, Electron. Lett. 31, 2204 (1995).
[CrossRef]

Sean, W. M.

W. M. Sean, P. K. Jeffrey, H. Andrea, W. Georg, and A. K. Dahv, in Conference on Lasers and Electro-Optics (IEEE, 2008), paper CThL2.

Swan, C.

S. Huang, C. Zhu, C. Liu, X. Ma, C. Swan, and A. Galvanauskas, in Conference on Lasers and Electro-Optics (IEEE, 2009), paper CThGG1.

Tünnermann, A.

C. Jauregui, S. Bhme, G. Wenetiadis, J. Limpert, and A. Tünnermann, J. Opt. Soc. Am. B 27, 1011 (2010).
[CrossRef]

J. Limpert, H. Zellmer, A. Tünnermann, T. Pertsch, and F. Lederer, in Advanced Solid State Lasers, OSA Technical Digest (CD) (Optical Society of America, 2002), paper MB20.

Wenetiadis, G.

Zellmer, H.

J. Limpert, H. Zellmer, A. Tünnermann, T. Pertsch, and F. Lederer, in Advanced Solid State Lasers, OSA Technical Digest (CD) (Optical Society of America, 2002), paper MB20.

Zhu, C.

S. Huang, C. Zhu, C. Liu, X. Ma, C. Swan, and A. Galvanauskas, in Conference on Lasers and Electro-Optics (IEEE, 2009), paper CThGG1.

Electron. Lett. (1)

D. J. Ripin and L. Goldberg, Electron. Lett. 31, 2204 (1995).
[CrossRef]

J. Lightwave Technol. (1)

J. Opt. Soc. Am. B (1)

Opt. Express (1)

Opt. Lett. (1)

Other (5)

J. Limpert, H. Zellmer, A. Tünnermann, T. Pertsch, and F. Lederer, in Advanced Solid State Lasers, OSA Technical Digest (CD) (Optical Society of America, 2002), paper MB20.

S. Huang, C. Zhu, C. Liu, X. Ma, C. Swan, and A. Galvanauskas, in Conference on Lasers and Electro-Optics (IEEE, 2009), paper CThGG1.

F. Hakimi and H. Hakimi, in Conference on Lasers and Electro-Optics (IEEE, 2001), paper CTUD2.

K. Okamoto, Fundamentals of Optical Waveguides(Elsevier, 2006), pp. 329–385.

W. M. Sean, P. K. Jeffrey, H. Andrea, W. Georg, and A. K. Dahv, in Conference on Lasers and Electro-Optics (IEEE, 2008), paper CThL2.

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Figures (7)

Fig. 1.
Fig. 1.

Structure of pump/signal coupler with mode selection.

Fig. 2.
Fig. 2.

Normalized output total power: the normalized output power of the LP01 and LP11 modes, versus height H for LP01 (first row) or LP11 (second row) was, respectively, (a) L=5mm, (b) L=7mm, and (c) L=9mm.

Fig. 3.
Fig. 3.

Intensity patterns (left) and normalized output power (right) along z axis for (a) LP01 mode and (b) LP11 mode of incident beams.

Fig. 4.
Fig. 4.

Microscope pictures of these couplers.

Fig. 5.
Fig. 5.

Schematic drawing of mode-selection measurement.

Fig. 6.
Fig. 6.

BQ with near fundamental mode input.

Fig. 7.
Fig. 7.

BQ with multimode input.

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