Abstract

We demonstrate a passive harmonic mode-locked femtosecond Yb-doped fiber laser employing a semiconductor saturable absorber in a colliding-pulse configuration. 380-fs pulses at 605 MHz repetition rate with >60 dB supermode suppression is achieved.

© 2004 Optical Society of America

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References

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  1. V. Cautaerts, D. J. Richardson, R. Paschotta, and D. C. Hanna, ???Stretched pulse Yb3+ silica fiber laser,??? Opt. Lett. 22, 316 (1997).
    [CrossRef] [PubMed]
  2. L. Lefort, J. H. V. Price, D. J. Richardson, G. J. Spühler, R. Paschotta, U. Keller, A. R. Fry, J. Weston, ???Practical low-noise stretched-pulse Yb3+-doped fiber laser,??? Opt. Lett. 27, 291 (2002).
    [CrossRef]
  3. F. ??. Ilday, J. R. Buckley, H. Lim, F. W. Wise, and W. G. Clark, ???Generation of 50-fs, 5-nJ pulses at 1.03 m from a wave-breaking-free fiber laser,??? Opt. Lett. 28, 1365 (2003).
    [CrossRef] [PubMed]
  4. F. ??. Ilday, J. Buckley, L. Kuznetsova, and F. W. Wise, ???Generation of 36-femtosecond pulses from a ytterbium fiber laser,??? Opt. Express 11, 3550 (2003). <a href="http://www.opticsexpress.org/abstract.cfm?URI=OPEX-11-26-3550">http://www.opticsexpress.org/abstract.cfm?URI=OPEX-11-26-3550</a>
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    [CrossRef]
  9. N. H. Bonadeo, W. H. Knox, J. M. Roth, K. Bergman, ???Passive harmonic mode-locked soliton fiber laser stabilized by an optically pumped saturable Bragg reflector,??? Opt. Lett. 25, 1421 (2000).
    [CrossRef]
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    [CrossRef] [PubMed]
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    [CrossRef]
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    [CrossRef] [PubMed]
  13. J. F. Martins-Filho, E. A. Avrutin, C. N. Ironside and J. S. Roberts, ???Monolithic multiple colliding pulse mode-locked quantum-well lasers: experiment and theory,??? IEEE J. Sel. Top. Quantum Electron. 1, 539, (1995).
    [CrossRef]
  14. O. G. Okhotnikov, M. Guina, ???Colliding-pulse harmonically mode-locked fiber laser,??? Appl. Phys. B 72, 381 (2001).
    [CrossRef]
  15. Rüdiger Paschotta, Johan Nilsson, Anne C. Tropper, and David C. Hanna, ???Ytterbium-doped fiber amplifiers,??? IEEE J. Quantum Electron. 33, 1049, (1997).
    [CrossRef]
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    [CrossRef]
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    [CrossRef] [PubMed]
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    [CrossRef]
  20. Y. Deng and W. H. Knox, ???Self-starting passive harmonic mode-locked femtosecond Yb3+-doped fiber laser at 1030nm,??? Opt. Lett. 29, 2121 (2004).
    [CrossRef] [PubMed]
  21. W. H. Knox, R. L. Fork, M. C. Downer, D. A. B. Miller, D. S. Chemla, C. V. Shank, A. C. Gossard and W. Wiegmann, "Femtosecond Dynamics of Resonantly Excited Excitons in Room Temperature GaAs Quantum Wells," Phys. Rev. Lett. 54, 1306 (1985).
    [CrossRef] [PubMed]
  22. L.E. Nelson, D.J. Jones, K. Tamura, H.A. Haus, E.P. Ippen, ???Ultrashort-pulse fiber ring lasers,??? Appl. Phys. B 65, 277 (1997).
    [CrossRef]
  23. Y. Deng and W. H. Knox, ???Self-starting passive harmonic mode-locked femtosecond Yb3+-doped fiber laser at 1030nm,??? in Conference on Lasers and Electro-Optics (CLEO) 2004, paper CThK2.
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    [CrossRef]

Appl. Opt.

Appl. Phys. A

C. Schaffer, J. Garcia and E. Mazur, "Bulk heating of transparent materials using a high repetition-rate femtosecond laser," Appl. Phys. A 76, 351 (2003).
[CrossRef]

Appl. Phys. B

O. G. Okhotnikov, M. Guina, ???Colliding-pulse harmonically mode-locked fiber laser,??? Appl. Phys. B 72, 381 (2001).
[CrossRef]

L.E. Nelson, D.J. Jones, K. Tamura, H.A. Haus, E.P. Ippen, ???Ultrashort-pulse fiber ring lasers,??? Appl. Phys. B 65, 277 (1997).
[CrossRef]

Electron. Lett.

T. Carruthers, I. Duling, and M. Dennis, ???Active-passive modelocking in a single-polarization Erbium fiber laser,??? Electron. Lett. 30, 1051 (1994).
[CrossRef]

S. M. Kelly, "Characteristic sideband instability of periodically amplified average soliton," Electron. Lett. 28, 806 (1992).
[CrossRef]

IEEE J. Quantum Electron.

Rüdiger Paschotta, Johan Nilsson, Anne C. Tropper, and David C. Hanna, ???Ytterbium-doped fiber amplifiers,??? IEEE J. Quantum Electron. 33, 1049, (1997).
[CrossRef]

S. Fleming and T. Whitley, "Measurement and analysis of pumpdependent refractive index and dispersion effects in erbium-doped fiber amplifiers," IEEE J. Quantum Electron. 32, 1113 (1996).
[CrossRef]

IEEE J. Sel. Top. Quantum Electron.

A. Galvanauskas, ???Mode-scalable fiber-based chirped pulse amplification systems,??? IEEE J. Sel. Top. Quantum Electron. 7, 504, (2001).
[CrossRef]

J. F. Martins-Filho, E. A. Avrutin, C. N. Ironside and J. S. Roberts, ???Monolithic multiple colliding pulse mode-locked quantum-well lasers: experiment and theory,??? IEEE J. Sel. Top. Quantum Electron. 1, 539, (1995).
[CrossRef]

OFC

Y. Deng and W. H. Knox, ???Self-starting passive harmonic mode-locked femtosecond Yb3+-doped fiber laser at 1030nm,??? in Conference on Lasers and Electro-Optics (CLEO) 2004, paper CThK2.

Opt. Express

Opt. Lett.

V. Cautaerts, D. J. Richardson, R. Paschotta, and D. C. Hanna, ???Stretched pulse Yb3+ silica fiber laser,??? Opt. Lett. 22, 316 (1997).
[CrossRef] [PubMed]

L. Lefort, J. H. V. Price, D. J. Richardson, G. J. Spühler, R. Paschotta, U. Keller, A. R. Fry, J. Weston, ???Practical low-noise stretched-pulse Yb3+-doped fiber laser,??? Opt. Lett. 27, 291 (2002).
[CrossRef]

F. ??. Ilday, J. R. Buckley, H. Lim, F. W. Wise, and W. G. Clark, ???Generation of 50-fs, 5-nJ pulses at 1.03 m from a wave-breaking-free fiber laser,??? Opt. Lett. 28, 1365 (2003).
[CrossRef] [PubMed]

C. X. Yu, H. A. Haus, E. P. Ippen, W. S. Wong and A. Sysoliatin, ???Gigahertz-repetition-rate mode-locked fiber laser for continuum generation,??? Opt. Lett. 25, 1418 (2000).
[CrossRef]

N. H. Bonadeo, W. H. Knox, J. M. Roth, K. Bergman, ???Passive harmonic mode-locked soliton fiber laser stabilized by an optically pumped saturable Bragg reflector,??? Opt. Lett. 25, 1421 (2000).
[CrossRef]

Thomas F. Carruthers, Irl N. Duling III, ???10-GHz, 1.3-ps erbium fiber laser employing soliton pulse shortening,??? Opt. Lett. 21, 1927 (1996).
[CrossRef] [PubMed]

W. H. Knox, ???In situ measurement of complete intracavity dispersion in an operating Ti:sapphire femtosecond laser,??? Opt. Lett. 17, 514 (1992).
[CrossRef] [PubMed]

Y. Deng and W. H. Knox, ???Self-starting passive harmonic mode-locked femtosecond Yb3+-doped fiber laser at 1030nm,??? Opt. Lett. 29, 2121 (2004).
[CrossRef] [PubMed]

M. Guina and O. G. Okhotnikov, ???Harmonic mode locking by synchronous optical pumping of a saturable absorber with the residual pump,??? Opt. Lett. 28, 358 (2003).
[CrossRef] [PubMed]

Phys. Rev. Lett.

W. H. Knox, R. L. Fork, M. C. Downer, D. A. B. Miller, D. S. Chemla, C. V. Shank, A. C. Gossard and W. Wiegmann, "Femtosecond Dynamics of Resonantly Excited Excitons in Room Temperature GaAs Quantum Wells," Phys. Rev. Lett. 54, 1306 (1985).
[CrossRef] [PubMed]

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Figures (9)

Fig. 1.
Fig. 1.

The experimental configuration, Ls is set to be 1/14 of the total cavity length.

Fig. 2. (a)
Fig. 2. (a)

The configuration of the pump-probe experiment.

Fig. 2. (b)
Fig. 2. (b)

The transmission spectrum of the SSA.

Fig. 2. (c)
Fig. 2. (c)

Transmission response of the SSA measured by the pump-probe

Fig. 3. (a)
Fig. 3. (a)

Optical spectrum of the fundamental mode-locking caused by the SSA.

Fig. 3. (b)
Fig. 3. (b)

RF spectrum of the fundamental mode-locking caused by the SSA.

Fig. 3. (c)
Fig. 3. (c)

Optical spectrum of the 14th harmonic mode-locking.

Fig. 3. (d)
Fig. 3. (d)

RF spectrum of the 14th harmonic mode-locking at 605 MHz, the supermode suppression is >60 dB.

Fig. 4.
Fig. 4.

(a) The interferometric auto-correlation of the pulse at 14th harmonic, the FWHM of the trace is ~650-fs, the FWHM of the pulse is estimated to be ~380-fs; (b) The pulse train of the 14th harmonic mode-locking at 605 MHz; (c) Cross-correlation between adjacent pulses, the FWHM of the trace is ~820-fs.

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