Abstract

We report the demonstration of a 250-MHz mode-locked, intracavity frequency-doubled, diode-pumped Nd:YAG laser. The laser produces 520-psec pulses at an average power of 76 mW and a wavelength of 532 nm. The laser has an electrical-to-optical efficiency of 1.43% and was operated both cw and mode locked. Mode locking increased the average output power by 60% and eliminated noise due to modal competition.

© 1989 Optical Society of America

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References

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  1. W. Streifer, D. Scifres, G. Harnagel, D. Welch, J. Berger, M. Sakamoto, IEEE J. Quantum Electron. QE-24, 883 (1988).
    [CrossRef]
  2. T. Baer, M. S. Keirstead, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1985), paper THZZ1.
  3. W. Kozlovsky, C. D. Nabors, R. L. Byer, IEEE J. Quantum Electron. QE-24, 913 (1988).
    [CrossRef]
  4. T. Baer, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1986), paper WG3.
  5. M. Oka, S. Kubota, Opt. Lett. 13, 805 (1988).
    [CrossRef] [PubMed]
  6. K. C. Liu, M. G. Cohen, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1986), paper TUK36.
  7. R. R. Rice, J. R. Teague, J. E. Jackson, J. Appl. Phys. 46, 2716 (1975).
    [CrossRef]
  8. J. Falk, IEEE J. Quantum Electron. QE-11, 21 (1975).
    [CrossRef]

1988 (3)

W. Streifer, D. Scifres, G. Harnagel, D. Welch, J. Berger, M. Sakamoto, IEEE J. Quantum Electron. QE-24, 883 (1988).
[CrossRef]

W. Kozlovsky, C. D. Nabors, R. L. Byer, IEEE J. Quantum Electron. QE-24, 913 (1988).
[CrossRef]

M. Oka, S. Kubota, Opt. Lett. 13, 805 (1988).
[CrossRef] [PubMed]

1975 (2)

R. R. Rice, J. R. Teague, J. E. Jackson, J. Appl. Phys. 46, 2716 (1975).
[CrossRef]

J. Falk, IEEE J. Quantum Electron. QE-11, 21 (1975).
[CrossRef]

Baer, T.

T. Baer, M. S. Keirstead, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1985), paper THZZ1.

T. Baer, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1986), paper WG3.

Berger, J.

W. Streifer, D. Scifres, G. Harnagel, D. Welch, J. Berger, M. Sakamoto, IEEE J. Quantum Electron. QE-24, 883 (1988).
[CrossRef]

Byer, R. L.

W. Kozlovsky, C. D. Nabors, R. L. Byer, IEEE J. Quantum Electron. QE-24, 913 (1988).
[CrossRef]

Cohen, M. G.

K. C. Liu, M. G. Cohen, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1986), paper TUK36.

Falk, J.

J. Falk, IEEE J. Quantum Electron. QE-11, 21 (1975).
[CrossRef]

Harnagel, G.

W. Streifer, D. Scifres, G. Harnagel, D. Welch, J. Berger, M. Sakamoto, IEEE J. Quantum Electron. QE-24, 883 (1988).
[CrossRef]

Jackson, J. E.

R. R. Rice, J. R. Teague, J. E. Jackson, J. Appl. Phys. 46, 2716 (1975).
[CrossRef]

Keirstead, M. S.

T. Baer, M. S. Keirstead, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1985), paper THZZ1.

Kozlovsky, W.

W. Kozlovsky, C. D. Nabors, R. L. Byer, IEEE J. Quantum Electron. QE-24, 913 (1988).
[CrossRef]

Kubota, S.

Liu, K. C.

K. C. Liu, M. G. Cohen, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1986), paper TUK36.

Nabors, C. D.

W. Kozlovsky, C. D. Nabors, R. L. Byer, IEEE J. Quantum Electron. QE-24, 913 (1988).
[CrossRef]

Oka, M.

Rice, R. R.

R. R. Rice, J. R. Teague, J. E. Jackson, J. Appl. Phys. 46, 2716 (1975).
[CrossRef]

Sakamoto, M.

W. Streifer, D. Scifres, G. Harnagel, D. Welch, J. Berger, M. Sakamoto, IEEE J. Quantum Electron. QE-24, 883 (1988).
[CrossRef]

Scifres, D.

W. Streifer, D. Scifres, G. Harnagel, D. Welch, J. Berger, M. Sakamoto, IEEE J. Quantum Electron. QE-24, 883 (1988).
[CrossRef]

Streifer, W.

W. Streifer, D. Scifres, G. Harnagel, D. Welch, J. Berger, M. Sakamoto, IEEE J. Quantum Electron. QE-24, 883 (1988).
[CrossRef]

Teague, J. R.

R. R. Rice, J. R. Teague, J. E. Jackson, J. Appl. Phys. 46, 2716 (1975).
[CrossRef]

Welch, D.

W. Streifer, D. Scifres, G. Harnagel, D. Welch, J. Berger, M. Sakamoto, IEEE J. Quantum Electron. QE-24, 883 (1988).
[CrossRef]

IEEE J. Quantum Electron. (3)

W. Streifer, D. Scifres, G. Harnagel, D. Welch, J. Berger, M. Sakamoto, IEEE J. Quantum Electron. QE-24, 883 (1988).
[CrossRef]

W. Kozlovsky, C. D. Nabors, R. L. Byer, IEEE J. Quantum Electron. QE-24, 913 (1988).
[CrossRef]

J. Falk, IEEE J. Quantum Electron. QE-11, 21 (1975).
[CrossRef]

J. Appl. Phys. (1)

R. R. Rice, J. R. Teague, J. E. Jackson, J. Appl. Phys. 46, 2716 (1975).
[CrossRef]

Opt. Lett. (1)

Other (3)

K. C. Liu, M. G. Cohen, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1986), paper TUK36.

T. Baer, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1986), paper WG3.

T. Baer, M. S. Keirstead, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1985), paper THZZ1.

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Figures (5)

Fig. 1
Fig. 1

Schematic of the laser resonator.

Fig. 2
Fig. 2

Circulating power (solid curve) and the doubled power (dashed curve) versus the pump power.

Fig. 3
Fig. 3

Threshold power versus the introduced loss per round trip.

Fig. 4
Fig. 4

Oscillogram of a mode-locked pulse train.

Fig. 5
Fig. 5

(a) Laser noise spectrum when mode locked. (b) Laser noise spectrum when operating cw.

Equations (4)

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τ p = ln 2 Y ,
Y = 2 α SHG 32 g / Δ ω a 2 + 1 2 [ 8 α SHG 2 ( 32 g / Δ ω a 2 ) 2 + 2 δ L ω m 2 32 g / Δ ω a 2 ] 1 / 2 .
α SHG ( opt ) = L i + g L i .
α SHG ( opt ) = 10 % ,

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