Abstract

FM mode-locked operation of a single-mode Nd3+-doped fiber laser has been achieved with an integrated fiber phase modulator. The technique permits a low-loss cavity configuration, resulting in low threshold and high slope efficiency. Pulses of ∼200-psec duration are observed at a repetition rate of 417 MHz with an average output power of 15 mW.

© 1989 Optical Society of America

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References

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  1. M. W. Phillips, A. I. Ferguson, D. C. Hanna, Opt. Lett. 14, 219 (1989).
    [CrossRef] [PubMed]
  2. G. Geister, R. Ulrich, Opt. Commun. 68, 187 (1988).
    [CrossRef]
  3. S. E. Harris, O. P. McDuff, IEEE J. Quantum Electron. QE-1, 245 (1965).
    [CrossRef]
  4. D. B. Patterson, A. A. Godil, G. S. Kino, B. T. Khuri-Yakub, Opt. Lett. 14, 248 (1989).
    [CrossRef] [PubMed]

1989 (2)

1988 (1)

G. Geister, R. Ulrich, Opt. Commun. 68, 187 (1988).
[CrossRef]

1965 (1)

S. E. Harris, O. P. McDuff, IEEE J. Quantum Electron. QE-1, 245 (1965).
[CrossRef]

IEEE J. Quantum Electron. (1)

S. E. Harris, O. P. McDuff, IEEE J. Quantum Electron. QE-1, 245 (1965).
[CrossRef]

Opt. Commun. (1)

G. Geister, R. Ulrich, Opt. Commun. 68, 187 (1988).
[CrossRef]

Opt. Lett. (2)

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Figures (5)

Fig. 1
Fig. 1

Schematic diagram of FM mode-locked fiber laser: HR, high reflector; OC, output coupler; MO, microscope objective; AOM, acousto-optic modulator.

Fig. 2
Fig. 2

Fiber/modulator arrangement transverse to the fiber axis.

Fig. 3
Fig. 3

Phase retardation versus rf power (measured at 633 nm). Fitted curve: δ m = 1.1 P rf .

Fig. 4
Fig. 4

Sampling oscilloscope display of FM mode-locked pulses from a fiber laser, detected by a InGaAs photodiode (combined detector response time, 50 psec).

Fig. 5
Fig. 5

Power spectrum of FM mode-locked laser (monochromator resolution, 0.2 nm).

Equations (1)

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δ m 1.1 P rf .

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