Abstract

We present preliminary experimental data that show that the intrinsic birefringence in a ring erbium fiber laser containing a length of standard communications-grade optical fiber can be used to inhibit longitudinal mode hops. Mode-hop-free operation for periods in excess of several hours is observed with resolution-limited linewidths of 240 kHz.

© 1996 Optical Society of America

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References

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  1. A. Gloag, N. Langford, K. McCallion, W. Johnstone, J. Opt. Soc. Am. B 13, 921 (1996).
    [CrossRef]
  2. A. Gloag, R. J. Forster, N. Langford, “Theoretical model and experimental demonstration of frequency control in rare-earth-doped fiber lasers by use of a 3 × 3 nonplanar fused fiber coupler,” J. Opt. Soc. Am. B (to be published).
  3. N. J. Frigo, A. Dandridge, A. B. Tveten, Electron. Lett. 20, 319 (1984).
    [CrossRef]
  4. T. W. Hansch, B. Couillaud, Opt. Commun. 35, 441 (1980).
    [CrossRef]
  5. A. Gloag, K. McCallion, W. Johnstone, N. Langford, Opt. Lett. 19, 805 (1994), and references therein.
    [CrossRef]
  6. R. J. Forster, N. Langford, “Polarization spectroscopy as applied to rare-earth-doped fiber lasers: a numerical and experimental demonstration,” submitted to J. Opt. Soc. Am. B.
  7. A. Gloag, K. McCallion, W. Johnstone, N. Langford, Appl. Phys. Lett. 66, 3268 (1995).
    [CrossRef]

1996 (1)

1995 (1)

A. Gloag, K. McCallion, W. Johnstone, N. Langford, Appl. Phys. Lett. 66, 3268 (1995).
[CrossRef]

1994 (1)

A. Gloag, K. McCallion, W. Johnstone, N. Langford, Opt. Lett. 19, 805 (1994), and references therein.
[CrossRef]

1984 (1)

N. J. Frigo, A. Dandridge, A. B. Tveten, Electron. Lett. 20, 319 (1984).
[CrossRef]

1980 (1)

T. W. Hansch, B. Couillaud, Opt. Commun. 35, 441 (1980).
[CrossRef]

Couillaud, B.

T. W. Hansch, B. Couillaud, Opt. Commun. 35, 441 (1980).
[CrossRef]

Dandridge, A.

N. J. Frigo, A. Dandridge, A. B. Tveten, Electron. Lett. 20, 319 (1984).
[CrossRef]

Forster, R. J.

A. Gloag, R. J. Forster, N. Langford, “Theoretical model and experimental demonstration of frequency control in rare-earth-doped fiber lasers by use of a 3 × 3 nonplanar fused fiber coupler,” J. Opt. Soc. Am. B (to be published).

R. J. Forster, N. Langford, “Polarization spectroscopy as applied to rare-earth-doped fiber lasers: a numerical and experimental demonstration,” submitted to J. Opt. Soc. Am. B.

Frigo, N. J.

N. J. Frigo, A. Dandridge, A. B. Tveten, Electron. Lett. 20, 319 (1984).
[CrossRef]

Gloag, A.

A. Gloag, N. Langford, K. McCallion, W. Johnstone, J. Opt. Soc. Am. B 13, 921 (1996).
[CrossRef]

A. Gloag, K. McCallion, W. Johnstone, N. Langford, Appl. Phys. Lett. 66, 3268 (1995).
[CrossRef]

A. Gloag, K. McCallion, W. Johnstone, N. Langford, Opt. Lett. 19, 805 (1994), and references therein.
[CrossRef]

A. Gloag, R. J. Forster, N. Langford, “Theoretical model and experimental demonstration of frequency control in rare-earth-doped fiber lasers by use of a 3 × 3 nonplanar fused fiber coupler,” J. Opt. Soc. Am. B (to be published).

Hansch, T. W.

T. W. Hansch, B. Couillaud, Opt. Commun. 35, 441 (1980).
[CrossRef]

Johnstone, W.

A. Gloag, N. Langford, K. McCallion, W. Johnstone, J. Opt. Soc. Am. B 13, 921 (1996).
[CrossRef]

A. Gloag, K. McCallion, W. Johnstone, N. Langford, Appl. Phys. Lett. 66, 3268 (1995).
[CrossRef]

A. Gloag, K. McCallion, W. Johnstone, N. Langford, Opt. Lett. 19, 805 (1994), and references therein.
[CrossRef]

Langford, N.

A. Gloag, N. Langford, K. McCallion, W. Johnstone, J. Opt. Soc. Am. B 13, 921 (1996).
[CrossRef]

A. Gloag, K. McCallion, W. Johnstone, N. Langford, Appl. Phys. Lett. 66, 3268 (1995).
[CrossRef]

A. Gloag, K. McCallion, W. Johnstone, N. Langford, Opt. Lett. 19, 805 (1994), and references therein.
[CrossRef]

R. J. Forster, N. Langford, “Polarization spectroscopy as applied to rare-earth-doped fiber lasers: a numerical and experimental demonstration,” submitted to J. Opt. Soc. Am. B.

A. Gloag, R. J. Forster, N. Langford, “Theoretical model and experimental demonstration of frequency control in rare-earth-doped fiber lasers by use of a 3 × 3 nonplanar fused fiber coupler,” J. Opt. Soc. Am. B (to be published).

McCallion, K.

A. Gloag, N. Langford, K. McCallion, W. Johnstone, J. Opt. Soc. Am. B 13, 921 (1996).
[CrossRef]

A. Gloag, K. McCallion, W. Johnstone, N. Langford, Appl. Phys. Lett. 66, 3268 (1995).
[CrossRef]

A. Gloag, K. McCallion, W. Johnstone, N. Langford, Opt. Lett. 19, 805 (1994), and references therein.
[CrossRef]

Tveten, A. B.

N. J. Frigo, A. Dandridge, A. B. Tveten, Electron. Lett. 20, 319 (1984).
[CrossRef]

Appl. Phys. Lett. (1)

A. Gloag, K. McCallion, W. Johnstone, N. Langford, Appl. Phys. Lett. 66, 3268 (1995).
[CrossRef]

Electron. Lett. (1)

N. J. Frigo, A. Dandridge, A. B. Tveten, Electron. Lett. 20, 319 (1984).
[CrossRef]

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

Opt. Commun. (1)

T. W. Hansch, B. Couillaud, Opt. Commun. 35, 441 (1980).
[CrossRef]

Opt. Lett. (1)

A. Gloag, K. McCallion, W. Johnstone, N. Langford, Opt. Lett. 19, 805 (1994), and references therein.
[CrossRef]

Other (2)

R. J. Forster, N. Langford, “Polarization spectroscopy as applied to rare-earth-doped fiber lasers: a numerical and experimental demonstration,” submitted to J. Opt. Soc. Am. B.

A. Gloag, R. J. Forster, N. Langford, “Theoretical model and experimental demonstration of frequency control in rare-earth-doped fiber lasers by use of a 3 × 3 nonplanar fused fiber coupler,” J. Opt. Soc. Am. B (to be published).

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Figures (5)

Fig. 1
Fig. 1

Actual cavity configuration: PD’s, pump diodes; WDM’s, wavelength-division multiplexers; EDF, erbium-doped fiber; I, optical isolator; OC, output coupler; PC, polarization controller; 3 × 3, nonplanar 3 × 3 fused fiber coupler; F, filter; LS, length-stabilization unit; W, quarter-wave plate; LP, linear polarizer; LE, locking electronics.

Fig. 2
Fig. 2

Computed intensity responses for (a) the intracavity signal (dashed curve) and the monitor port signal (solid curve) and (b) the monitor port signal (dashed curve) and the control signal (solid curve), each as a function of oscillating frequency.

Fig. 3
Fig. 3

Computed response associated with the monitor port signal (dashed curves) and the control signal (solid curves) as the subcavity optical path length is changed.

Fig. 4
Fig. 4

Output from the differential amplifier when the laser was being forced to mode hop by application of a periodic ramp voltage to the subcavity piezoelectric element.

Fig. 5
Fig. 5

Output fringes from the fiber loop interferometer, showing resolution-limited fringes of 240 kHz.

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