Abstract

We report on successful realization of a picosecond visible-continuum source embedding a single mode fiber taper. The output of ytterbium mode-locked fiber laser was frequency doubled in a periodically-polled lithium niobate (PPLN) crystal to produce green pump light. Spectral brightness of the white light generated in the tapered fiber was improved by limiting the broadening just to the visible wavelengths. The influence of taper parameters, particularly the dispersion, on white light spectrum has been studied.

© 2005 Optical Society of America

Full Article  |  PDF Article

References

  • View by:
  • |

  1. R. R. Alfano and S. L. Shapiro, �??Observation of self-phase modulation and small-scale filaments in crystals and glasses,�?? Phys. Rev. Lett. 24, 592-594 (1970).
    [CrossRef]
  2. S. A. Diddams, D. J. Jones, J. Ye, S. T. Cundiff, J. L. Hall, J. K. Ranka, R. S. Windeler, R. Holzwarth, T. Udem, and T. W. Hansch, �??Direct link between microwave and optical frequencies with a 300 THz femtosecond laser comb,�?? Phys. Rev. Lett. 84, 5102�??5105 (2000).
    [CrossRef] [PubMed]
  3. I. Hartl, X. D. Li, C. Chudoba, R. K. Ghanta, T. H. Ko, J. G. Fujimoto, J. K. Ranka, and R. S. Windeler, �??Ultrahigh resolution optical coherence tomography using continuum generation in an air-silica microstructured optical fiber,�?? Opt. Lett. 26, 608�??610 (2001).
    [CrossRef]
  4. M. Nisoli, S. De Silvestri, O. Svelto, R. Szipocs, K. Ferencz, Ch. Spielmann, S. Sartania, and F. Krausz, �??Compression of high-energy laser pulses below 5 fs,�?? Opt. Lett. 22, 522�??524 (1997).
    [CrossRef] [PubMed]
  5. H. Takara, T. Ohara, K. Mori, K. Sato, E. Yamada, Y. Inoue, T. Shibata, M. Abe, T. Morioka, and K.-I. Sato, �??More than 1000 channel optical frequency chain generation from single supercontinuum source with 12.5 GHz channel spacing,�?? Electron. Lett. 36, 2089�??2090 (2000).
    [CrossRef]
  6. C. Lin and R. H. Stolen, �??New nanosecond continuum for excited-state spectroscopy,�?? Appl. Phys. Lett. 28, 216-218 (1976).
    [CrossRef]
  7. J. K. Ranka, R. S. Windeler, A. J. Stentz, �??Visible continuum generation in air-silica microstructure optical fibers with anomalous dispersion at 800 nm,�?? Opt. Lett. 25, 25-27 (2000).
    [CrossRef]
  8. T. A. Birks, W. J. Wadsworth, P. S. J. Russell, �??Supercontinuum generation in tapered fibers,�?? Opt. Lett. 25, 1415-1417 (2000).
    [CrossRef]
  9. A. V. Husakou and J. Herrmann, �??Supercontinuum Generation of Higher-Order Solitons by Fission in Photonic Crystal Fibers,�?? Phys. Rev. Lett. 87, 203901 1-4 (2001).
    [CrossRef] [PubMed]
  10. A. Liu, M. A. Norsen, and R. D. Mead, �??60-W green output by frequency doubling of a polarized Yb-doped fiber laser,�?? Opt. Lett. 30, 67-69 (2005).
    [CrossRef] [PubMed]
  11. J. M. Dudley, L. Provino, N. Grossard, and H. Maillotte, �??Supercontinuum generation in air�??silica microstructured fibers with nanosecond and femtosecond pulse pumping,�?? J. Opt. Soc. Am. B 19, 765-771 (2002).
    [CrossRef]
  12. S. G. Leon-Saval, T. A. Birks, W. J. Wadsworth, P. St. J. Russell, and M. W. Mason, "Supercontinuum generation in submicron fibre waveguides," Opt. Express 12, 2864-2869 (2004), <a href="http://www.opticsexpress.org/abstract.cfm?URI=OPEX-12-13-2864">http://www.opticsexpress.org/abstract.cfm?URI=OPEX-12-13-2864</a>.
    [CrossRef] [PubMed]
  13. Fianium Ltd., FemtoPower1060, <a href="http://www.fianium.com/products/femtop.htm">http://www.fianium.com/products/femtop.htm</a>.
  14. Stratophase Ltd. grating design software.
  15. T. A. Birks and Y. W. Li, �??The shape of fiber tapers,�?? J. Lightwave Technol. 10, 432-438 (1992).
    [CrossRef]
  16. J. D. Love, �??Spot size, adiabaticity and diffraction in tapered fibres,�?? Electron. Lett. 23, 993-994 (1987).
    [CrossRef]
  17. G. P. Agrawal, Fiber-Optic Communication Systems, 2nd edition, Wiley, (1997).
  18. J. Herrmann, U. Griebner, N. Zhavoronkov, A. Housakou, D. Nickel, J. C. Knight, W. J. Wadsworth, P. St. J. Russell, and G. Korn, �??Experimental evidence for supercontinuum generation by fission of higher-order solitons in photonic fibers,�?? Phys. Rev. Lett. 88, 173901 1-4 (2002).
    [CrossRef] [PubMed]

Appl. Phys. Lett. (1)

C. Lin and R. H. Stolen, �??New nanosecond continuum for excited-state spectroscopy,�?? Appl. Phys. Lett. 28, 216-218 (1976).
[CrossRef]

Electron. Lett. (2)

H. Takara, T. Ohara, K. Mori, K. Sato, E. Yamada, Y. Inoue, T. Shibata, M. Abe, T. Morioka, and K.-I. Sato, �??More than 1000 channel optical frequency chain generation from single supercontinuum source with 12.5 GHz channel spacing,�?? Electron. Lett. 36, 2089�??2090 (2000).
[CrossRef]

J. D. Love, �??Spot size, adiabaticity and diffraction in tapered fibres,�?? Electron. Lett. 23, 993-994 (1987).
[CrossRef]

J. Lightwave Technol. (1)

T. A. Birks and Y. W. Li, �??The shape of fiber tapers,�?? J. Lightwave Technol. 10, 432-438 (1992).
[CrossRef]

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

Opt. Express (1)

Opt. Lett. (5)

Phys. Rev. Lett. (4)

R. R. Alfano and S. L. Shapiro, �??Observation of self-phase modulation and small-scale filaments in crystals and glasses,�?? Phys. Rev. Lett. 24, 592-594 (1970).
[CrossRef]

S. A. Diddams, D. J. Jones, J. Ye, S. T. Cundiff, J. L. Hall, J. K. Ranka, R. S. Windeler, R. Holzwarth, T. Udem, and T. W. Hansch, �??Direct link between microwave and optical frequencies with a 300 THz femtosecond laser comb,�?? Phys. Rev. Lett. 84, 5102�??5105 (2000).
[CrossRef] [PubMed]

A. V. Husakou and J. Herrmann, �??Supercontinuum Generation of Higher-Order Solitons by Fission in Photonic Crystal Fibers,�?? Phys. Rev. Lett. 87, 203901 1-4 (2001).
[CrossRef] [PubMed]

J. Herrmann, U. Griebner, N. Zhavoronkov, A. Housakou, D. Nickel, J. C. Knight, W. J. Wadsworth, P. St. J. Russell, and G. Korn, �??Experimental evidence for supercontinuum generation by fission of higher-order solitons in photonic fibers,�?? Phys. Rev. Lett. 88, 173901 1-4 (2002).
[CrossRef] [PubMed]

Other (3)

G. P. Agrawal, Fiber-Optic Communication Systems, 2nd edition, Wiley, (1997).

Fianium Ltd., FemtoPower1060, <a href="http://www.fianium.com/products/femtop.htm">http://www.fianium.com/products/femtop.htm</a>.

Stratophase Ltd. grating design software.

Cited By

OSA participates in CrossRef's Cited-By Linking service. Citing articles from OSA journals and other participating publishers are listed here.

Alert me when this article is cited.


Figures (7)

Fig. 1.
Fig. 1.

Experimental setup for white light generation in tapered fibers: PPLN - periodically-poled lithium niobate; TEC - thermo-electric cooler.

Fig. 2.
Fig. 2.

Pump spectrum and autocorrelation shown as an inset (a) and corresponding spectrum of the second-harmonic (SH) radiation.

Fig. 3.
Fig. 3.

Sample taper profile.

Fig. 4.
Fig. 4.

Chromatic dispersion versus taper waist diameters for λ=531 nm. Waist diameters of tested tapers are indicated with arrows.

Fig. 5.
Fig. 5.

Chromatic dispersion of tapered fibers with different parameters. The legend shows the taper waist diameters; the dashed line indicates the pump wavelength (531 nm).

Fig. 6.
Fig. 6.

Visible white light continuum at various input power levels (a) and supercontinuum spectrum photograph (b) for the taper with waist diameter of 0.9 μm.

Fig. 7.
Fig. 7.

Visible continua obtained in tapers with waist diameter of 1.1 μm (a), 1.55 μm (b), and 0.8 μm (c) with pump power as a parameter.

Metrics