Abstract

We report what we believe to be the first demonstration of the second and third harmonics in tellurite microstructured fibers pumped by a 1557nm femtosecond fiber laser. The intensities of the second and third harmonics are enhanced by increasing the nonlinear coefficient of the tellurite microstructured fiber. By using tellurite microstructured fiber with a core diameter of 2.7μm, supercontinuum light expanding from 470nmto2400nm could be achieved. The effects of the fiber-core diameter on the flatness of the supercontinuum light are also investigated when pumped at 1557nm.

© 2009 Optical Society of America

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References

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2009 (1)

2008 (2)

2007 (1)

G. S. Qin, R. Jose, and Y. Ohishi, J. Appl. Phys. 101, 093109 (2007).
[CrossRef]

2006 (2)

J. M. Dudley, G. Genty, and S. Coen, Rev. Mod. Phys. 78, 1135 (2006).
[CrossRef]

P. St. J. Russell, J. Lightwave Technol. 24, 4729 (2006).
[CrossRef]

2003 (3)

2000 (1)

Coen, S.

J. M. Dudley, G. Genty, and S. Coen, Rev. Mod. Phys. 78, 1135 (2006).
[CrossRef]

Cordeiro, C. M. B.

Cronin-Golomb, M.

Domachuk, P.

Dudley, J. M.

J. M. Dudley, G. Genty, and S. Coen, Rev. Mod. Phys. 78, 1135 (2006).
[CrossRef]

Efimov, A.

Eggleton, B. J.

Fu, L.

Genty, G.

J. M. Dudley, G. Genty, and S. Coen, Rev. Mod. Phys. 78, 1135 (2006).
[CrossRef]

George, A. K.

Hänsch, T. W.

Holzwarth, R.

Hundertmark, H.

Jose, R.

G. S. Qin, R. Jose, and Y. Ohishi, J. Appl. Phys. 101, 093109 (2007).
[CrossRef]

Knight, J. C.

Lamont, M. R. E.

Mägi, E. C.

Ohishi, Y.

G. S. Qin, R. Jose, and Y. Ohishi, J. Appl. Phys. 101, 093109 (2007).
[CrossRef]

Omenetto, F. G.

Qin, G. S.

G. S. Qin, R. Jose, and Y. Ohishi, J. Appl. Phys. 101, 093109 (2007).
[CrossRef]

Rammler, S.

Ranka, J. K.

Roelens, M. A. F.

Russell, P. S.

Russell, P. St. J.

Stentz, A. J.

Taylor, A. J.

Wadsworth, W. J.

Wang, A.

Wilken, T.

Windeler, R. S.

Wolchover, N. A.

Yeom, D. I.

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Figures (2)

Fig. 1
Fig. 1

(a) Dependence of the SHG, THG, and SC spectra from a 30 - cm -long Fiber 1 on the pump power of the 1557 nm femtosecond fiber laser. Inset, cross-section image (taken by an optical microscope) of the tellurite microstructured fiber with core diameter of 4.2 μ m (Fiber 1). (b) Intensity dependence of the SHG and THG on the pump power. Inset, calculated chromatic dispersion curves of the fundamental mode in the tellurite microstructured fiber with core diameters of 4.2, 2.7, and 1.1 μ m . (c), (d) Dependence of the emission spectra of the tellurite microstructured fibers with core diameter of 2.7 (Fiber 2) or 1.1 μ m (Fiber 3) on the pump power of the 1557 nm femtosecond fiber laser. Inset, cross section image of Fiber 2 taken by an optical microscope or Fiber 3 taken by a scanning electron microscope, respectively.

Fig. 2
Fig. 2

(a) Thin curves, simulated SC spectra from Fiber 1, Fiber 2 or Fiber 3. Thick curves, the corresponding measured SC spectra. (b) Relationship of the calculated dispersive-wave (DW) central wavelength and the soliton wavelength for Fibers 1, 2, and 3.

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