Abstract

We demonstrate a switching effect between the two polarization eigenstates of a Nd-doped fiber laser when it is subjected to an optical feedback signal. Conditions for an optimization of this effect are recognized to depend on the relative orientation of the fiber eigenaxes and the polarization states of the pump and feedback beams.

© 1994 Optical Society of America

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References

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  1. F. Sanchez, P. LeBoudec, P. L. François, G. M. Stephan, Phys. Rev. A 48, 2220 (1993).
    [CrossRef] [PubMed]
  2. T. Chartier, F. Sanchez, G. Stephan, P. LeBoudec, E. Delevaque, R. Leners, P. L. François, Opt. Lett. 18, 356 (1993).
    [CrossRef]
  3. R. Leners, P. L. François, G. M. Stephan, Opt. Lett. 19, 275 (1994).
    [CrossRef] [PubMed]
  4. S. Bielawski, D. Derozier, P. Glorieux, Phys. Rev. A 46, 2811 (1992).
    [CrossRef] [PubMed]
  5. P. Besnard, B. Maziane, G. M. Stephan, IEEE J. Quantum Electron. 29, 1271 (1993).
    [CrossRef]
  6. M. J. F. Digonnet, E. Snitzer, in Rare-Earth-Doped Fiber Lasers and Amplifiers, M. Digonnet (Dekker, New York, 1993), Chap. 5, p. 270.
  7. C. L. Tang, H. Statz, G. deMars, J. Appl. Phys. 34, 2289 (1963).
    [CrossRef]
  8. K. Otsuka, P. Mandel, S. Bielawski, D. Derozier, P. Glorieux, Phys. Rev. A 46, 1692 (1992).
    [CrossRef] [PubMed]

1994 (1)

1993 (3)

F. Sanchez, P. LeBoudec, P. L. François, G. M. Stephan, Phys. Rev. A 48, 2220 (1993).
[CrossRef] [PubMed]

T. Chartier, F. Sanchez, G. Stephan, P. LeBoudec, E. Delevaque, R. Leners, P. L. François, Opt. Lett. 18, 356 (1993).
[CrossRef]

P. Besnard, B. Maziane, G. M. Stephan, IEEE J. Quantum Electron. 29, 1271 (1993).
[CrossRef]

1992 (2)

K. Otsuka, P. Mandel, S. Bielawski, D. Derozier, P. Glorieux, Phys. Rev. A 46, 1692 (1992).
[CrossRef] [PubMed]

S. Bielawski, D. Derozier, P. Glorieux, Phys. Rev. A 46, 2811 (1992).
[CrossRef] [PubMed]

1963 (1)

C. L. Tang, H. Statz, G. deMars, J. Appl. Phys. 34, 2289 (1963).
[CrossRef]

Besnard, P.

P. Besnard, B. Maziane, G. M. Stephan, IEEE J. Quantum Electron. 29, 1271 (1993).
[CrossRef]

Bielawski, S.

S. Bielawski, D. Derozier, P. Glorieux, Phys. Rev. A 46, 2811 (1992).
[CrossRef] [PubMed]

K. Otsuka, P. Mandel, S. Bielawski, D. Derozier, P. Glorieux, Phys. Rev. A 46, 1692 (1992).
[CrossRef] [PubMed]

Chartier, T.

T. Chartier, F. Sanchez, G. Stephan, P. LeBoudec, E. Delevaque, R. Leners, P. L. François, Opt. Lett. 18, 356 (1993).
[CrossRef]

Delevaque, E.

T. Chartier, F. Sanchez, G. Stephan, P. LeBoudec, E. Delevaque, R. Leners, P. L. François, Opt. Lett. 18, 356 (1993).
[CrossRef]

deMars, G.

C. L. Tang, H. Statz, G. deMars, J. Appl. Phys. 34, 2289 (1963).
[CrossRef]

Derozier, D.

S. Bielawski, D. Derozier, P. Glorieux, Phys. Rev. A 46, 2811 (1992).
[CrossRef] [PubMed]

K. Otsuka, P. Mandel, S. Bielawski, D. Derozier, P. Glorieux, Phys. Rev. A 46, 1692 (1992).
[CrossRef] [PubMed]

Digonnet, M. J. F.

M. J. F. Digonnet, E. Snitzer, in Rare-Earth-Doped Fiber Lasers and Amplifiers, M. Digonnet (Dekker, New York, 1993), Chap. 5, p. 270.

François, P. L.

R. Leners, P. L. François, G. M. Stephan, Opt. Lett. 19, 275 (1994).
[CrossRef] [PubMed]

T. Chartier, F. Sanchez, G. Stephan, P. LeBoudec, E. Delevaque, R. Leners, P. L. François, Opt. Lett. 18, 356 (1993).
[CrossRef]

F. Sanchez, P. LeBoudec, P. L. François, G. M. Stephan, Phys. Rev. A 48, 2220 (1993).
[CrossRef] [PubMed]

Glorieux, P.

K. Otsuka, P. Mandel, S. Bielawski, D. Derozier, P. Glorieux, Phys. Rev. A 46, 1692 (1992).
[CrossRef] [PubMed]

S. Bielawski, D. Derozier, P. Glorieux, Phys. Rev. A 46, 2811 (1992).
[CrossRef] [PubMed]

LeBoudec, P.

F. Sanchez, P. LeBoudec, P. L. François, G. M. Stephan, Phys. Rev. A 48, 2220 (1993).
[CrossRef] [PubMed]

T. Chartier, F. Sanchez, G. Stephan, P. LeBoudec, E. Delevaque, R. Leners, P. L. François, Opt. Lett. 18, 356 (1993).
[CrossRef]

Leners, R.

R. Leners, P. L. François, G. M. Stephan, Opt. Lett. 19, 275 (1994).
[CrossRef] [PubMed]

T. Chartier, F. Sanchez, G. Stephan, P. LeBoudec, E. Delevaque, R. Leners, P. L. François, Opt. Lett. 18, 356 (1993).
[CrossRef]

Mandel, P.

K. Otsuka, P. Mandel, S. Bielawski, D. Derozier, P. Glorieux, Phys. Rev. A 46, 1692 (1992).
[CrossRef] [PubMed]

Maziane, B.

P. Besnard, B. Maziane, G. M. Stephan, IEEE J. Quantum Electron. 29, 1271 (1993).
[CrossRef]

Otsuka, K.

K. Otsuka, P. Mandel, S. Bielawski, D. Derozier, P. Glorieux, Phys. Rev. A 46, 1692 (1992).
[CrossRef] [PubMed]

Sanchez, F.

F. Sanchez, P. LeBoudec, P. L. François, G. M. Stephan, Phys. Rev. A 48, 2220 (1993).
[CrossRef] [PubMed]

T. Chartier, F. Sanchez, G. Stephan, P. LeBoudec, E. Delevaque, R. Leners, P. L. François, Opt. Lett. 18, 356 (1993).
[CrossRef]

Snitzer, E.

M. J. F. Digonnet, E. Snitzer, in Rare-Earth-Doped Fiber Lasers and Amplifiers, M. Digonnet (Dekker, New York, 1993), Chap. 5, p. 270.

Statz, H.

C. L. Tang, H. Statz, G. deMars, J. Appl. Phys. 34, 2289 (1963).
[CrossRef]

Stephan, G.

T. Chartier, F. Sanchez, G. Stephan, P. LeBoudec, E. Delevaque, R. Leners, P. L. François, Opt. Lett. 18, 356 (1993).
[CrossRef]

Stephan, G. M.

R. Leners, P. L. François, G. M. Stephan, Opt. Lett. 19, 275 (1994).
[CrossRef] [PubMed]

F. Sanchez, P. LeBoudec, P. L. François, G. M. Stephan, Phys. Rev. A 48, 2220 (1993).
[CrossRef] [PubMed]

P. Besnard, B. Maziane, G. M. Stephan, IEEE J. Quantum Electron. 29, 1271 (1993).
[CrossRef]

Tang, C. L.

C. L. Tang, H. Statz, G. deMars, J. Appl. Phys. 34, 2289 (1963).
[CrossRef]

IEEE J. Quantum Electron. (1)

P. Besnard, B. Maziane, G. M. Stephan, IEEE J. Quantum Electron. 29, 1271 (1993).
[CrossRef]

J. Appl. Phys. (1)

C. L. Tang, H. Statz, G. deMars, J. Appl. Phys. 34, 2289 (1963).
[CrossRef]

Opt. Lett. (2)

T. Chartier, F. Sanchez, G. Stephan, P. LeBoudec, E. Delevaque, R. Leners, P. L. François, Opt. Lett. 18, 356 (1993).
[CrossRef]

R. Leners, P. L. François, G. M. Stephan, Opt. Lett. 19, 275 (1994).
[CrossRef] [PubMed]

Phys. Rev. A (3)

S. Bielawski, D. Derozier, P. Glorieux, Phys. Rev. A 46, 2811 (1992).
[CrossRef] [PubMed]

K. Otsuka, P. Mandel, S. Bielawski, D. Derozier, P. Glorieux, Phys. Rev. A 46, 1692 (1992).
[CrossRef] [PubMed]

F. Sanchez, P. LeBoudec, P. L. François, G. M. Stephan, Phys. Rev. A 48, 2220 (1993).
[CrossRef] [PubMed]

Other (1)

M. J. F. Digonnet, E. Snitzer, in Rare-Earth-Doped Fiber Lasers and Amplifiers, M. Digonnet (Dekker, New York, 1993), Chap. 5, p. 270.

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Figures (3)

Fig. 1
Fig. 1

Experimental arrangement. Pump, laser diode with a collimated output beam (λp = 0.81 μm); λ/2 near top left, half-wave plates at λp; M1, coupling mirror (R ≈ 100% at 1.08 μm., T ≈ 80% at λp); MO, microscope objective; M2, output coupler (R = 80% at 1.08 μm); CL, collimating lens; F, bandpass filter (1–1.1 μm); BS, beam splitter (R = T = 40%); P, polarizer; Mext, external mirror (R ≈ 100% at 1.08 μm); λ/2 near center right, half-wave plate at 1.08 μm; GP, Glan polarizer; Ge’s, fast-response (2-GHz) germanium detectors.

Fig. 2
Fig. 2

(a) Output power versus pump input characteristics of the two laser modes obtained without (solid curves) and with (dashed curves) optical feedback, (b) Alternate on-and-off switching of the strong (X) and weak (Y) modes between the threshold of the two modes, (c) Irregular traces obtained well above threshold.

Fig. 3
Fig. 3

Numerical simulations of (a) output versus pump characteristics, (b) alternate switching of the two laser modes, (c) irregular signals corresponding to those of Fig. 2(c).

Equations (4)

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i x τ = κ [ ( d x + β d y 1 ) i x + a ( d x + β d y ) + r x i x ] ,
i y τ = κ [ ( d y + β d x 1 ) i y + a ( d y + β d x ) + r y i y ] ,
d x τ = i p x d x ( i x + β i y ) d x ,
d x τ = i p y d y ( i y + β i x ) d y ,

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