Abstract

Generation of sub-100-fs pulses at repetition rates of 100–200 MHz from a passively mode-locked Yb-fiber laser via nonlinear polarization rotation is reported. The limitations to the repetition rate in terms of the pulse dynamics and the physical size of the cavity are discussed. We determine that physical size of the components dictate the maximum repetition rate and discuss the implications of a shorter cavity on the pulse shaping as a consequence of a weaker dispersion map.

© 2005 Optical Society of America

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    [CrossRef]
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    [CrossRef] [PubMed]
  3. J. R. Buckley, F. W. Wise, F. O. Ilday, and T. Sosnowski, �??Femtosecond fiber lasers with pulse energies above 10 nJ,�??to be published in Optics Letters.
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    [CrossRef]

CLEO 2004

J. R. Buckley, F. O. Ilday, H. Lim, and F.W.Wise, �??Self-similar pulses as a route to low repetition-rate femtosecond fiber lasers,�?? Proceedings of the Conference on Lasers and Electro-Optics (Optical Society of America, San Francisco, CA, 2004), paper CthK7.

IEEE J. Sel. Top. Quantum Electron.

B. C. Collings, K. Bergman, S. T. Cundiff, S. Tsuda, J. N. Kutz, J. E. Cunningham, W. Y. Jan, M. Koch, and W. H. Knox, �??Short cavity Erbium/Ytterbium Fiber Lasers Mode-locked with a saturable Bragg reflector,�?? IEEE J. Sel. Top. Quantum Electron. 3, 1065 (1997).
[CrossRef]

IEEE Phot. Technol. Lett.

D. J. Jones, S. Namiki, D. Barbier, E. P. Ippen, and H. A. Haus, �??116-fs soliton source based on an Er-Yb codoped waveguide amplifier,�?? IEEE Phot. Technol. Lett. 10, 666-668 (1998).
[CrossRef]

Opt. Express

Opt. Lett.

A. Berntson, N. J. Doran, W. Forysiak, and J. H. B. Nijhof, �??Power dependence of dispersion-managed solitons for anomalous, zero, and normal path-average dispersion,�?? Opt. Lett. 23, 900-902 (1998).
[CrossRef]

K. Tamura, J. Jacobson, H. A. Haus, E. P. Ippen, and J.G. Fujimoto, �??77-fs pulse generation from a stretched-pulse mode-locked all-fiber ring laser,�?? Opt. Lett. 18, 1080-1082 (1993).
[CrossRef] [PubMed]

B. R. Washburn, S. A. Diddams, and N. R. Newbury, J. W. Nicholson, M. F. Yan, and C. G. Jorgensen, �??Phaselocked, erbium-fiber-laser-based frequency comb in the near infrared,�?? Opt. Lett. 29, 250-252 (2004).
[CrossRef] [PubMed]

T. R. Schibli, K. Minoshima, F.-L. Hong, H. Inaba, A. Onae, H. Matsumoto, I. Hartl, and M. E. Fermann, �??Frequency metrology with a turnkey all-fiber system,�?? Opt. Lett. 29, 2467-2469 (2004).
[CrossRef] [PubMed]

J. Limpert, T. Clausnitzer, A. Liem, T. Schreiber, H.-J. Fuchs, H. Zellmer, E.-B. Kley, and A. Tuennermann, �??High-average-power femtosecond fiber chirped-pulse amplification system,�?? Opt. Lett. 28, 1984-1986 (2003).
[CrossRef] [PubMed]

H. Lim, F. O. Ilday, and F. W. Wise, �??Generation of 2-nJ pulses from a femtosecond Yb fiber laser,�?? Opt. Lett. 28, 660-662 (2003).
[CrossRef] [PubMed]

F. O. Ilday, J. R. Buckley, H. Lim, F. W. Wise, and W. G. Clark, �??Generation of 50-fs, 5-nJ pulses at 1.03 µm from a wave-breaking-free fiber laser,�?? Opt. Lett. 28, 1365-1367 (2003).
[CrossRef] [PubMed]

J. Rauschenberger, T. M. Fortier, D. J. Jones, J. Ye, and S. T. Cundiff, �??Control of the frequency comb of a mode-locked Erbium doped-fiber laser,�?? Opt. Lett. 24, 1404-1410 (2002).

M. Hofer, M. E. Fermann, F. Harberl, M. H. Ober, and A. J. Schmidt, �??Mode-locking with cross-phase and self-phase modulation,�?? Opt. Lett. 16, 502-504 (1991).
[CrossRef] [PubMed]

N. J. Doran, and D. Wood, �??Nonlinear-optical loop mirror,�?? Opt. Lett. 13, 56-58 (1998).
[CrossRef]

F. O. Ilday, F.W.Wise, and T. Sosnowski, �??High-energy femtosecond stretched-pulse fiber laser with a nonlinear optical loop mirror,�?? Opt. Lett. 27, 1531-1533 (2002), and references therein.
[CrossRef]

Phys. Rev. Lett.

F. O. Ilday, J. R. Buckley, W. G. Clark, F. W. Wise, �??Self-similar evolution of parabolic pulses in a laser,�?? Phys. Rev. Lett. 92, 3902-3905 (2004).
[CrossRef]

Other

J. R. Buckley, F. W. Wise, F. O. Ilday, and T. Sosnowski, �??Femtosecond fiber lasers with pulse energies above 10 nJ,�??to be published in Optics Letters.

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Figures (4)

Fig. 1.
Fig. 1.

Experimental setup. Abbreviations: SMF single mode fiber, HWP half-wave retarder, QWP quarter-wave retarder, PSB, polarizing splitter beamcube, WDM wavelength demultiplexing coupler.

Fig. 2.
Fig. 2.

Evolution of the pulse spectrum as the cavity dispersion is changed from -10500 fs2 to +7400 fs2.

Fig. 3.
Fig. 3.

(a) Optical spectrum at cavity dispersion of -1300 fs2 at 162 MHz repetition rate. (b) Intensity autocorrelation of the pulses after external dechirping. Inset: rf spectrum of the pulses.

Fig. 4.
Fig. 4.

(a) Optical spectrum at cavity dispersion of -8400 fs2 at 200 MHz repetition rate. (b) Intensity autocorrelation of the pulses after external dechirping. Inset: rf spectrum of the pulses.

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