Abstract

Experimental results are presented for a study of the stability regime of an actively mode-locked polarization-maintaining fiber ring laser used as a memory. Observations indicate that the pulse widths in the memory can be reduced (by soliton effects) by a factor of approximately 4.4 below the pulse widths predicted by standard active mode-locking theory. Stability regions for the solitons are mapped and compared with theoretical predictions.

© 1996 Optical Society of America

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References

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  1. D. J. Kuizenga, A. E. Siegman, IEEE J. Quantum Electron. 6, 694 (1970).
    [CrossRef]
  2. H. A. Haus, Y. Silberberg, IEEE J. Quantum Electron. 22, 325 (1986).
    [CrossRef]
  3. F. X. Kärtner, D. Kopf, U. Keller, J. Opt. Soc. Am. B 12, 486 (1995).
    [CrossRef]
  4. H. A. Haus, A. Mecozzi, Opt. Lett. 17, 1500 (1992).
    [CrossRef] [PubMed]
  5. G. T. Harvey, L. F. Mollenauer, Opt. Lett. 18, 107 (1993).
    [CrossRef] [PubMed]
  6. E. Yoshida, Y. Kimura, M. Nakazawa, Appl. Phys. Lett. 60, 932 (1992).
    [CrossRef]
  7. S. M. J. Kelly, Electron. Lett. 28, 806 (1992).
    [CrossRef]

1995 (1)

1993 (1)

1992 (3)

E. Yoshida, Y. Kimura, M. Nakazawa, Appl. Phys. Lett. 60, 932 (1992).
[CrossRef]

S. M. J. Kelly, Electron. Lett. 28, 806 (1992).
[CrossRef]

H. A. Haus, A. Mecozzi, Opt. Lett. 17, 1500 (1992).
[CrossRef] [PubMed]

1986 (1)

H. A. Haus, Y. Silberberg, IEEE J. Quantum Electron. 22, 325 (1986).
[CrossRef]

1970 (1)

D. J. Kuizenga, A. E. Siegman, IEEE J. Quantum Electron. 6, 694 (1970).
[CrossRef]

Harvey, G. T.

Haus, H. A.

H. A. Haus, A. Mecozzi, Opt. Lett. 17, 1500 (1992).
[CrossRef] [PubMed]

H. A. Haus, Y. Silberberg, IEEE J. Quantum Electron. 22, 325 (1986).
[CrossRef]

Kärtner, F. X.

Keller, U.

Kelly, S. M. J.

S. M. J. Kelly, Electron. Lett. 28, 806 (1992).
[CrossRef]

Kimura, Y.

E. Yoshida, Y. Kimura, M. Nakazawa, Appl. Phys. Lett. 60, 932 (1992).
[CrossRef]

Kopf, D.

Kuizenga, D. J.

D. J. Kuizenga, A. E. Siegman, IEEE J. Quantum Electron. 6, 694 (1970).
[CrossRef]

Mecozzi, A.

Mollenauer, L. F.

Nakazawa, M.

E. Yoshida, Y. Kimura, M. Nakazawa, Appl. Phys. Lett. 60, 932 (1992).
[CrossRef]

Siegman, A. E.

D. J. Kuizenga, A. E. Siegman, IEEE J. Quantum Electron. 6, 694 (1970).
[CrossRef]

Silberberg, Y.

H. A. Haus, Y. Silberberg, IEEE J. Quantum Electron. 22, 325 (1986).
[CrossRef]

Yoshida, E.

E. Yoshida, Y. Kimura, M. Nakazawa, Appl. Phys. Lett. 60, 932 (1992).
[CrossRef]

Appl. Phys. Lett. (1)

E. Yoshida, Y. Kimura, M. Nakazawa, Appl. Phys. Lett. 60, 932 (1992).
[CrossRef]

Electron. Lett. (1)

S. M. J. Kelly, Electron. Lett. 28, 806 (1992).
[CrossRef]

IEEE J. Quantum Electron. (2)

D. J. Kuizenga, A. E. Siegman, IEEE J. Quantum Electron. 6, 694 (1970).
[CrossRef]

H. A. Haus, Y. Silberberg, IEEE J. Quantum Electron. 22, 325 (1986).
[CrossRef]

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

Opt. Lett. (2)

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Figures (4)

Fig. 1
Fig. 1

Fiber laser using all-polarization-maintaining (PM) fiber. WDM, wavelength-division multiplexer.

Fig. 2
Fig. 2

Autocorrelation trace of pulse with a cavity filter of 7.8 nm. A sech fit (dashed curve) to the trace gives a FWHM pulse width of 634 fs.

Fig. 3
Fig. 3

Optical spectrum of the 7.8-nm pulse shown in Fig. 2. Also shown is the optical spectrum with a 16.7-nm filter, showing pronounced Kelly sidebands, confirming that the pulse is indeed a soliton. au, arbitrary units.

Fig. 4
Fig. 4

(a) Stability region of solitons with the boundaries predicted by conditions (1) and (2). Horizontal lines, explored operating regions at different filter bandwidths; filled circles, clean soliton operation; filled squares, mixture of solitons and Gaussian (mode-locked) pulses. (b) A series of autocorrelation traces referenced in (a), showing the transition between solitons and normal mode-locked pulses. Note the pedestals owing to the competing Gaussian pulses in traces a and c.

Equations (2)

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π 2 24 M Ω m 2 τ 2 + 1 3 l Ω f 2 τ 2 < Re [ M Ω m 2 2 ( 1 Ω f 2 l - j 1 2 D ) ] 1 / 2 ,
π 2 8 M Ω m 2 τ 2 < 1 l Ω f 2 τ 2 .

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