Abstract

A diode-pumped, intracavity-doubled Nd:YVO4 laser, generating as much as 760 mW of power at 671 nm, which was used to efficiently pump a Cr:LiSAF laser, is described. A slope efficiency of ≈39% with maximum continuous-wave output power of >180 mW was achieved with this system. Experiments in tunability and generation of ultrashort pulses are also reported.

© 2002 Optical Society of America

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  1. I. T. Sorokina, E. Sorokin, E. Wintner, A. Cassanho, H. P. Jenssen and R. Szipöcs, “14-fs pulse generation in Kerr-lens mode-locked prismless Cr: LiSGaF and Cr:LiSAF lasers: observation of the self-frequency shift,” Opt. Lett. 22, 1716–1718 (1997).
    [CrossRef]
  2. S. A. Payne, L. L. Chase, L. K. Smith, W. L. Kway, and H. W. Newkirk, “Laser performance of LiSrAlF6:Cr3+,” J. Appl. Phys. 66, 1051–1056 (1989).
    [CrossRef]
  3. S. Uemura and K. Torizuka, “Generation of 12-fs pulses from a diode-pumped Kerr-lens mode-locked Cr: LiSAF laser,” Opt. Lett. 24, 780–782 (1999).
    [CrossRef]
  4. U. Keller, K. J. Weingarten, F. X. Kärtner, D. Kopf, B. Braun, I. D. Jung, R. Fluck, C. Hönninger, N. Matuscheck, and J. Aus der Au, “Semiconductor saturable absorber mirrors (SESAM’s) for femtosecond to nanosecond pulse generation in solid-state lasers,” IEEE J. Sel. Top. Quantum Electron. 2, 435–453 (1996).
    [CrossRef]
  5. D. Kopf, K. J. Weingarten, L. R. Brovelli, M. Kamp, and U. Keller, “Diode-pumped 100-fs passively mode-locked Cr: LiSAF laser with an antiresonant Fabry–Perot saturable absorber,” Opt. Lett. 19, 2143–2145 (1994).
    [CrossRef] [PubMed]
  6. S. Tsuda, W. H. Knox, and S. T. Cundiff, “High efficiency diode pumping of a saturable Bragg reflector-mode-locked Cr: LiSAF femtosecond laser,” Appl. Phys. Lett. 69, 1538–1540 (1996).
    [CrossRef]
  7. D. Botez and D. R. Scifres, eds., Diode Laser Arrays, Vol. 14 of Cambridge Studies in Modern Optics (Cambridge U. Press, Cambridge, 1994).
  8. V. Magni, G. Cerullo, S. De Silvestri, O. Svelto, L. J. Qian, and M. Danailov, “Intracavity frequency doubling of a cw high-power TEM00 Nd: YLF laser,” Opt. Lett. 18, 2111–2113 (1993).
    [CrossRef]
  9. A. Agnesi, G. Reali, and P. G. Gobbi, “430-mW single-transverse-mode diode-pumped Nd:YVO4 laser at 671 nm,” IEEE J. Quantum Electron. 34, 1297–1300 (1998).
    [CrossRef]
  10. J. T. Lin, J. L. Montgomery, and K. Kato, “Temperature-tuned noncritically phase-matched frequency conversion in LiB3O5 crystal,” Opt. Commun. 80, 159–165 (1990).
    [CrossRef]
  11. R. G. Smith, “Theory of intracavity optical second-harmonic generation,” IEEE J. Quantum Electron. 6, 215–223 (1970).
    [CrossRef]
  12. D. Findlay and R. A. Clay, “The measurement of internal losses in a 4-level laser,” Phys. Lett. 20, 277–278 (1966).
    [CrossRef]
  13. I. T. Sorokina, E. Sorokin, E. Wintner, A. Cassanho, H. P. Jenssen, and M. A. Noginov, “Efficient continuous-wave TEM00 and femtosecond Kerr-lens mode-locked Cr: LiSrGaF laser,” Opt. Lett. 21, 204–206 (1996).
    [CrossRef] [PubMed]
  14. W. Koechner, Solid-State Laser Engineering, 4th ed., Vol. 1 of Springer Series in Optical Science (Springer-Verlag, Berlin, 1996).
    [CrossRef]

1999 (1)

1998 (1)

A. Agnesi, G. Reali, and P. G. Gobbi, “430-mW single-transverse-mode diode-pumped Nd:YVO4 laser at 671 nm,” IEEE J. Quantum Electron. 34, 1297–1300 (1998).
[CrossRef]

1997 (1)

1996 (3)

I. T. Sorokina, E. Sorokin, E. Wintner, A. Cassanho, H. P. Jenssen, and M. A. Noginov, “Efficient continuous-wave TEM00 and femtosecond Kerr-lens mode-locked Cr: LiSrGaF laser,” Opt. Lett. 21, 204–206 (1996).
[CrossRef] [PubMed]

U. Keller, K. J. Weingarten, F. X. Kärtner, D. Kopf, B. Braun, I. D. Jung, R. Fluck, C. Hönninger, N. Matuscheck, and J. Aus der Au, “Semiconductor saturable absorber mirrors (SESAM’s) for femtosecond to nanosecond pulse generation in solid-state lasers,” IEEE J. Sel. Top. Quantum Electron. 2, 435–453 (1996).
[CrossRef]

S. Tsuda, W. H. Knox, and S. T. Cundiff, “High efficiency diode pumping of a saturable Bragg reflector-mode-locked Cr: LiSAF femtosecond laser,” Appl. Phys. Lett. 69, 1538–1540 (1996).
[CrossRef]

1994 (1)

1993 (1)

1990 (1)

J. T. Lin, J. L. Montgomery, and K. Kato, “Temperature-tuned noncritically phase-matched frequency conversion in LiB3O5 crystal,” Opt. Commun. 80, 159–165 (1990).
[CrossRef]

1989 (1)

S. A. Payne, L. L. Chase, L. K. Smith, W. L. Kway, and H. W. Newkirk, “Laser performance of LiSrAlF6:Cr3+,” J. Appl. Phys. 66, 1051–1056 (1989).
[CrossRef]

1970 (1)

R. G. Smith, “Theory of intracavity optical second-harmonic generation,” IEEE J. Quantum Electron. 6, 215–223 (1970).
[CrossRef]

1966 (1)

D. Findlay and R. A. Clay, “The measurement of internal losses in a 4-level laser,” Phys. Lett. 20, 277–278 (1966).
[CrossRef]

Agnesi, A.

A. Agnesi, G. Reali, and P. G. Gobbi, “430-mW single-transverse-mode diode-pumped Nd:YVO4 laser at 671 nm,” IEEE J. Quantum Electron. 34, 1297–1300 (1998).
[CrossRef]

Aus der Au, J.

U. Keller, K. J. Weingarten, F. X. Kärtner, D. Kopf, B. Braun, I. D. Jung, R. Fluck, C. Hönninger, N. Matuscheck, and J. Aus der Au, “Semiconductor saturable absorber mirrors (SESAM’s) for femtosecond to nanosecond pulse generation in solid-state lasers,” IEEE J. Sel. Top. Quantum Electron. 2, 435–453 (1996).
[CrossRef]

Braun, B.

U. Keller, K. J. Weingarten, F. X. Kärtner, D. Kopf, B. Braun, I. D. Jung, R. Fluck, C. Hönninger, N. Matuscheck, and J. Aus der Au, “Semiconductor saturable absorber mirrors (SESAM’s) for femtosecond to nanosecond pulse generation in solid-state lasers,” IEEE J. Sel. Top. Quantum Electron. 2, 435–453 (1996).
[CrossRef]

Brovelli, L. R.

Cassanho, A.

Cerullo, G.

Chase, L. L.

S. A. Payne, L. L. Chase, L. K. Smith, W. L. Kway, and H. W. Newkirk, “Laser performance of LiSrAlF6:Cr3+,” J. Appl. Phys. 66, 1051–1056 (1989).
[CrossRef]

Clay, R. A.

D. Findlay and R. A. Clay, “The measurement of internal losses in a 4-level laser,” Phys. Lett. 20, 277–278 (1966).
[CrossRef]

Cundiff, S. T.

S. Tsuda, W. H. Knox, and S. T. Cundiff, “High efficiency diode pumping of a saturable Bragg reflector-mode-locked Cr: LiSAF femtosecond laser,” Appl. Phys. Lett. 69, 1538–1540 (1996).
[CrossRef]

Danailov, M.

De Silvestri, S.

Findlay, D.

D. Findlay and R. A. Clay, “The measurement of internal losses in a 4-level laser,” Phys. Lett. 20, 277–278 (1966).
[CrossRef]

Fluck, R.

U. Keller, K. J. Weingarten, F. X. Kärtner, D. Kopf, B. Braun, I. D. Jung, R. Fluck, C. Hönninger, N. Matuscheck, and J. Aus der Au, “Semiconductor saturable absorber mirrors (SESAM’s) for femtosecond to nanosecond pulse generation in solid-state lasers,” IEEE J. Sel. Top. Quantum Electron. 2, 435–453 (1996).
[CrossRef]

Gobbi, P. G.

A. Agnesi, G. Reali, and P. G. Gobbi, “430-mW single-transverse-mode diode-pumped Nd:YVO4 laser at 671 nm,” IEEE J. Quantum Electron. 34, 1297–1300 (1998).
[CrossRef]

Hönninger, C.

U. Keller, K. J. Weingarten, F. X. Kärtner, D. Kopf, B. Braun, I. D. Jung, R. Fluck, C. Hönninger, N. Matuscheck, and J. Aus der Au, “Semiconductor saturable absorber mirrors (SESAM’s) for femtosecond to nanosecond pulse generation in solid-state lasers,” IEEE J. Sel. Top. Quantum Electron. 2, 435–453 (1996).
[CrossRef]

Jenssen, H. P.

Jung, I. D.

U. Keller, K. J. Weingarten, F. X. Kärtner, D. Kopf, B. Braun, I. D. Jung, R. Fluck, C. Hönninger, N. Matuscheck, and J. Aus der Au, “Semiconductor saturable absorber mirrors (SESAM’s) for femtosecond to nanosecond pulse generation in solid-state lasers,” IEEE J. Sel. Top. Quantum Electron. 2, 435–453 (1996).
[CrossRef]

Kamp, M.

Kärtner, F. X.

U. Keller, K. J. Weingarten, F. X. Kärtner, D. Kopf, B. Braun, I. D. Jung, R. Fluck, C. Hönninger, N. Matuscheck, and J. Aus der Au, “Semiconductor saturable absorber mirrors (SESAM’s) for femtosecond to nanosecond pulse generation in solid-state lasers,” IEEE J. Sel. Top. Quantum Electron. 2, 435–453 (1996).
[CrossRef]

Kato, K.

J. T. Lin, J. L. Montgomery, and K. Kato, “Temperature-tuned noncritically phase-matched frequency conversion in LiB3O5 crystal,” Opt. Commun. 80, 159–165 (1990).
[CrossRef]

Keller, U.

U. Keller, K. J. Weingarten, F. X. Kärtner, D. Kopf, B. Braun, I. D. Jung, R. Fluck, C. Hönninger, N. Matuscheck, and J. Aus der Au, “Semiconductor saturable absorber mirrors (SESAM’s) for femtosecond to nanosecond pulse generation in solid-state lasers,” IEEE J. Sel. Top. Quantum Electron. 2, 435–453 (1996).
[CrossRef]

D. Kopf, K. J. Weingarten, L. R. Brovelli, M. Kamp, and U. Keller, “Diode-pumped 100-fs passively mode-locked Cr: LiSAF laser with an antiresonant Fabry–Perot saturable absorber,” Opt. Lett. 19, 2143–2145 (1994).
[CrossRef] [PubMed]

Knox, W. H.

S. Tsuda, W. H. Knox, and S. T. Cundiff, “High efficiency diode pumping of a saturable Bragg reflector-mode-locked Cr: LiSAF femtosecond laser,” Appl. Phys. Lett. 69, 1538–1540 (1996).
[CrossRef]

Kopf, D.

U. Keller, K. J. Weingarten, F. X. Kärtner, D. Kopf, B. Braun, I. D. Jung, R. Fluck, C. Hönninger, N. Matuscheck, and J. Aus der Au, “Semiconductor saturable absorber mirrors (SESAM’s) for femtosecond to nanosecond pulse generation in solid-state lasers,” IEEE J. Sel. Top. Quantum Electron. 2, 435–453 (1996).
[CrossRef]

D. Kopf, K. J. Weingarten, L. R. Brovelli, M. Kamp, and U. Keller, “Diode-pumped 100-fs passively mode-locked Cr: LiSAF laser with an antiresonant Fabry–Perot saturable absorber,” Opt. Lett. 19, 2143–2145 (1994).
[CrossRef] [PubMed]

Kway, W. L.

S. A. Payne, L. L. Chase, L. K. Smith, W. L. Kway, and H. W. Newkirk, “Laser performance of LiSrAlF6:Cr3+,” J. Appl. Phys. 66, 1051–1056 (1989).
[CrossRef]

Lin, J. T.

J. T. Lin, J. L. Montgomery, and K. Kato, “Temperature-tuned noncritically phase-matched frequency conversion in LiB3O5 crystal,” Opt. Commun. 80, 159–165 (1990).
[CrossRef]

Magni, V.

Matuscheck, N.

U. Keller, K. J. Weingarten, F. X. Kärtner, D. Kopf, B. Braun, I. D. Jung, R. Fluck, C. Hönninger, N. Matuscheck, and J. Aus der Au, “Semiconductor saturable absorber mirrors (SESAM’s) for femtosecond to nanosecond pulse generation in solid-state lasers,” IEEE J. Sel. Top. Quantum Electron. 2, 435–453 (1996).
[CrossRef]

Montgomery, J. L.

J. T. Lin, J. L. Montgomery, and K. Kato, “Temperature-tuned noncritically phase-matched frequency conversion in LiB3O5 crystal,” Opt. Commun. 80, 159–165 (1990).
[CrossRef]

Newkirk, H. W.

S. A. Payne, L. L. Chase, L. K. Smith, W. L. Kway, and H. W. Newkirk, “Laser performance of LiSrAlF6:Cr3+,” J. Appl. Phys. 66, 1051–1056 (1989).
[CrossRef]

Noginov, M. A.

Payne, S. A.

S. A. Payne, L. L. Chase, L. K. Smith, W. L. Kway, and H. W. Newkirk, “Laser performance of LiSrAlF6:Cr3+,” J. Appl. Phys. 66, 1051–1056 (1989).
[CrossRef]

Qian, L. J.

Reali, G.

A. Agnesi, G. Reali, and P. G. Gobbi, “430-mW single-transverse-mode diode-pumped Nd:YVO4 laser at 671 nm,” IEEE J. Quantum Electron. 34, 1297–1300 (1998).
[CrossRef]

Smith, L. K.

S. A. Payne, L. L. Chase, L. K. Smith, W. L. Kway, and H. W. Newkirk, “Laser performance of LiSrAlF6:Cr3+,” J. Appl. Phys. 66, 1051–1056 (1989).
[CrossRef]

Smith, R. G.

R. G. Smith, “Theory of intracavity optical second-harmonic generation,” IEEE J. Quantum Electron. 6, 215–223 (1970).
[CrossRef]

Sorokin, E.

Sorokina, I. T.

Svelto, O.

Szipöcs, R.

Torizuka, K.

Tsuda, S.

S. Tsuda, W. H. Knox, and S. T. Cundiff, “High efficiency diode pumping of a saturable Bragg reflector-mode-locked Cr: LiSAF femtosecond laser,” Appl. Phys. Lett. 69, 1538–1540 (1996).
[CrossRef]

Uemura, S.

Weingarten, K. J.

U. Keller, K. J. Weingarten, F. X. Kärtner, D. Kopf, B. Braun, I. D. Jung, R. Fluck, C. Hönninger, N. Matuscheck, and J. Aus der Au, “Semiconductor saturable absorber mirrors (SESAM’s) for femtosecond to nanosecond pulse generation in solid-state lasers,” IEEE J. Sel. Top. Quantum Electron. 2, 435–453 (1996).
[CrossRef]

D. Kopf, K. J. Weingarten, L. R. Brovelli, M. Kamp, and U. Keller, “Diode-pumped 100-fs passively mode-locked Cr: LiSAF laser with an antiresonant Fabry–Perot saturable absorber,” Opt. Lett. 19, 2143–2145 (1994).
[CrossRef] [PubMed]

Wintner, E.

Appl. Phys. Lett. (1)

S. Tsuda, W. H. Knox, and S. T. Cundiff, “High efficiency diode pumping of a saturable Bragg reflector-mode-locked Cr: LiSAF femtosecond laser,” Appl. Phys. Lett. 69, 1538–1540 (1996).
[CrossRef]

IEEE J. Quantum Electron. (2)

R. G. Smith, “Theory of intracavity optical second-harmonic generation,” IEEE J. Quantum Electron. 6, 215–223 (1970).
[CrossRef]

A. Agnesi, G. Reali, and P. G. Gobbi, “430-mW single-transverse-mode diode-pumped Nd:YVO4 laser at 671 nm,” IEEE J. Quantum Electron. 34, 1297–1300 (1998).
[CrossRef]

IEEE J. Sel. Top. Quantum Electron. (1)

U. Keller, K. J. Weingarten, F. X. Kärtner, D. Kopf, B. Braun, I. D. Jung, R. Fluck, C. Hönninger, N. Matuscheck, and J. Aus der Au, “Semiconductor saturable absorber mirrors (SESAM’s) for femtosecond to nanosecond pulse generation in solid-state lasers,” IEEE J. Sel. Top. Quantum Electron. 2, 435–453 (1996).
[CrossRef]

J. Appl. Phys. (1)

S. A. Payne, L. L. Chase, L. K. Smith, W. L. Kway, and H. W. Newkirk, “Laser performance of LiSrAlF6:Cr3+,” J. Appl. Phys. 66, 1051–1056 (1989).
[CrossRef]

Opt. Commun. (1)

J. T. Lin, J. L. Montgomery, and K. Kato, “Temperature-tuned noncritically phase-matched frequency conversion in LiB3O5 crystal,” Opt. Commun. 80, 159–165 (1990).
[CrossRef]

Opt. Lett. (5)

Phys. Lett. (1)

D. Findlay and R. A. Clay, “The measurement of internal losses in a 4-level laser,” Phys. Lett. 20, 277–278 (1966).
[CrossRef]

Other (2)

D. Botez and D. R. Scifres, eds., Diode Laser Arrays, Vol. 14 of Cambridge Studies in Modern Optics (Cambridge U. Press, Cambridge, 1994).

W. Koechner, Solid-State Laser Engineering, 4th ed., Vol. 1 of Springer Series in Optical Science (Springer-Verlag, Berlin, 1996).
[CrossRef]

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Figures (10)

Fig. 1
Fig. 1

Intracavity second-harmonic generation experimental setup: HR, high reflectivity; HT, high transmissivity; AR, antireflective; R, radius of curvature; M’s, mirrors.

Fig. 2
Fig. 2

Lasing characteristics of the 1342-nm vanadate sample (ηs, slope efficiency).

Fig. 3
Fig. 3

Measured (solid curve) and estimated by the plane-wave model (dashed curve) second-harmonic power. Inset, amplitude fluctuation of the second-harmonic power on millisecond and microsecond scales.

Fig. 4
Fig. 4

Experimental setup for the cw Cr:LiSAF laser.

Fig. 5
Fig. 5

Cr:LiSAF pump power threshold as a function of the output coupler’s transmissivity. The results of a Findlay–Clay analysis yield Kc=0.2 W-1 and L=0.6%.

Fig. 6
Fig. 6

Output coupler’s transmissivity (dashed curve) and related measured cw output power (solid curve) of the Cr:LiSAF laser as a function of plate tilting.

Fig. 7
Fig. 7

Cr:LiSAF output power with the optimum output coupler transmissivity as a function of the absorbed pump power. Measured slope efficiency, 39%.

Fig. 8
Fig. 8

Tunability range of the Cr:LiSAF laser. The FWHM is ≈115 nm.

Fig. 9
Fig. 9

Schematic of the resonator employed for mode-locking experiments: MQW, multiple quantum well; OT, output coupler with transmissivity T=2%; other abbreviations defined in Fig. 1.

Fig. 10
Fig. 10

Results of autocorrelation measurements compared with the ideal sech2 shape.

Equations (6)

Equations on this page are rendered with MathJax. Learn more.

P2ω=πw28kIs2-k+LIs+k+LIs2+4 kIs(2KcPi-L)1/22,
k=4π2λω2Z0 deff2l2n3 w2w02β,
R=cos θin-(n2-sin2 θin)1/2cos θin+(n2-sin2 θin)1/22.
2KcPthT+L,
Topt(2KcPinL)1/2-L,
ηs=λpλ TT+L 1-σESAσ,

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