Abstract

Stabilization of passive harmonic mode locking is achieved for what is believed to be the first time in an Er–Yb soliton fiber laser by optical pumping of the semiconductor saturable absorber above the bandgap. The results show 35-dB mode suppression of undesired harmonics.

© 2000 Optical Society of America

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References

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  1. I. N. Duling and M. L. Dennis, Compact Sources for Ultrashort Pulses (Cambridge U. Press, Cambridge, 1995).
    [CrossRef]
  2. M. Nakazawa, E. Yoshida, T. Yamamoto, E. Yamada, and A. Sahara, Electron. Lett. 34, 907 (1998).
    [CrossRef]
  3. B. C. Collings, M. L. Mitchell, L. Boivin, and W. H. Knox, presented at European Conference on Optical Communication, Nice, France, September 26–30, 1999.
  4. T. F. Carruthers and I. N. Duling, Opt. Lett. 21, 1927 (1996).
    [CrossRef] [PubMed]
  5. B. C. Collings, K. Bergman, and W. H. Knox, Opt. Lett. 23, 123 (1998); 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, IEEE J. Sel. Topics Quantum Electron. 3, 1065 (1997).
    [CrossRef]
  6. J. N. Kutz, B. C. Collings, K. Bergman, and W. H. Knox, IEEE J. Sel. Topics Quantum Electron. 34, 1749 (1998).
    [CrossRef]

1998 (3)

M. Nakazawa, E. Yoshida, T. Yamamoto, E. Yamada, and A. Sahara, Electron. Lett. 34, 907 (1998).
[CrossRef]

B. C. Collings, K. Bergman, and W. H. Knox, Opt. Lett. 23, 123 (1998); 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, IEEE J. Sel. Topics Quantum Electron. 3, 1065 (1997).
[CrossRef]

J. N. Kutz, B. C. Collings, K. Bergman, and W. H. Knox, IEEE J. Sel. Topics Quantum Electron. 34, 1749 (1998).
[CrossRef]

1996 (1)

Bergman, K.

Boivin, L.

B. C. Collings, M. L. Mitchell, L. Boivin, and W. H. Knox, presented at European Conference on Optical Communication, Nice, France, September 26–30, 1999.

Carruthers, T. F.

Collings, B. C.

J. N. Kutz, B. C. Collings, K. Bergman, and W. H. Knox, IEEE J. Sel. Topics Quantum Electron. 34, 1749 (1998).
[CrossRef]

B. C. Collings, K. Bergman, and W. H. Knox, Opt. Lett. 23, 123 (1998); 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, IEEE J. Sel. Topics Quantum Electron. 3, 1065 (1997).
[CrossRef]

B. C. Collings, M. L. Mitchell, L. Boivin, and W. H. Knox, presented at European Conference on Optical Communication, Nice, France, September 26–30, 1999.

Dennis, M. L.

I. N. Duling and M. L. Dennis, Compact Sources for Ultrashort Pulses (Cambridge U. Press, Cambridge, 1995).
[CrossRef]

Duling, I. N.

T. F. Carruthers and I. N. Duling, Opt. Lett. 21, 1927 (1996).
[CrossRef] [PubMed]

I. N. Duling and M. L. Dennis, Compact Sources for Ultrashort Pulses (Cambridge U. Press, Cambridge, 1995).
[CrossRef]

Knox, W. H.

B. C. Collings, K. Bergman, and W. H. Knox, Opt. Lett. 23, 123 (1998); 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, IEEE J. Sel. Topics Quantum Electron. 3, 1065 (1997).
[CrossRef]

J. N. Kutz, B. C. Collings, K. Bergman, and W. H. Knox, IEEE J. Sel. Topics Quantum Electron. 34, 1749 (1998).
[CrossRef]

B. C. Collings, M. L. Mitchell, L. Boivin, and W. H. Knox, presented at European Conference on Optical Communication, Nice, France, September 26–30, 1999.

Kutz, J. N.

J. N. Kutz, B. C. Collings, K. Bergman, and W. H. Knox, IEEE J. Sel. Topics Quantum Electron. 34, 1749 (1998).
[CrossRef]

Mitchell, M. L.

B. C. Collings, M. L. Mitchell, L. Boivin, and W. H. Knox, presented at European Conference on Optical Communication, Nice, France, September 26–30, 1999.

Nakazawa, M.

M. Nakazawa, E. Yoshida, T. Yamamoto, E. Yamada, and A. Sahara, Electron. Lett. 34, 907 (1998).
[CrossRef]

Sahara, A.

M. Nakazawa, E. Yoshida, T. Yamamoto, E. Yamada, and A. Sahara, Electron. Lett. 34, 907 (1998).
[CrossRef]

Yamada, E.

M. Nakazawa, E. Yoshida, T. Yamamoto, E. Yamada, and A. Sahara, Electron. Lett. 34, 907 (1998).
[CrossRef]

Yamamoto, T.

M. Nakazawa, E. Yoshida, T. Yamamoto, E. Yamada, and A. Sahara, Electron. Lett. 34, 907 (1998).
[CrossRef]

Yoshida, E.

M. Nakazawa, E. Yoshida, T. Yamamoto, E. Yamada, and A. Sahara, Electron. Lett. 34, 907 (1998).
[CrossRef]

Electron. Lett. (1)

M. Nakazawa, E. Yoshida, T. Yamamoto, E. Yamada, and A. Sahara, Electron. Lett. 34, 907 (1998).
[CrossRef]

IEEE J. Sel. Topics Quantum Electron. (1)

J. N. Kutz, B. C. Collings, K. Bergman, and W. H. Knox, IEEE J. Sel. Topics Quantum Electron. 34, 1749 (1998).
[CrossRef]

Opt. Lett. (2)

Other (2)

B. C. Collings, M. L. Mitchell, L. Boivin, and W. H. Knox, presented at European Conference on Optical Communication, Nice, France, September 26–30, 1999.

I. N. Duling and M. L. Dennis, Compact Sources for Ultrashort Pulses (Cambridge U. Press, Cambridge, 1995).
[CrossRef]

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Figures (5)

Fig. 1
Fig. 1

Change in reflectivity as a function of (a) 1480-nm power density and (b) delay between the modulated 1480-nm pump and the 1550-nm pulses.

Fig. 2
Fig. 2

Diagram of the fiber laser and the optical feedback loop. Top inset, laser spectrum; bottom inset, laser pulse autocorrelation. PD, photodiode; WDM, wavelength-division multiplexer; OC, output coupler.

Fig. 3
Fig. 3

rf spectra of the laser output with the optical feedback on and off. The fundamental mode of the cavity is suppressed by 37 dB (see inset).

Fig. 4
Fig. 4

Fast digital scope traces of the laser output with the optical feedback on and off.

Fig. 5
Fig. 5

Autocorrelation and cross correlation between adjacent pulses.

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