Abstract

A diode-pumped femtosecond ytterbium laser with a host material of Y2O3 ceramics is reported. Passive mode locking by a semiconductor saturable-absorber mirror generates 98-MHz, 615-fs pulses at a center wavelength of 1076.5 nm. The average power is 420 mW and the pulse energy is 4.3 nJ with a 2.6-W absorbed pump power. To our knowledge, this is the first continuous-wave mode-locked ceramic laser.

© 2003 Optical Society of America

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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef] [PubMed]
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    [CrossRef]
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    [CrossRef]
  7. F. Brunner, G, J. Spühler, J. Aus der Au, L. Krainer, F. Morier-Genoud, R. Paschotta, N. Lichtenstein, S. Weiss, C. Harder, A. A. Lagatsky, A. Abdolvand, N. V. Kuleshov, and U. Keller, �??Diode-pumped femtosecond Yb:KGd(WO4)2 laser with 1.1-W average power,�?? Opt. Lett. 25, 1119-1121 (2000).
    [CrossRef]
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    [CrossRef]
  9. F. Druon, S. Chénais, P. Raybaut, F. Balembois, P. Georges, R. Gaumé, G. Aka, B. Viana, S. Mohr, and D. Kopf, �??Diode-pumped Yb:Sr3Y(BO3)3 femtosecond laser,�?? Opt. Lett. 27, 197-199 (2002).
    [CrossRef]
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    [CrossRef]
  11. J. Kawanaka, K. Yamakawa, H. Nishioka, and K. Ueda, �??30-mJ, diode-pumped, chirped-pulse Yb:YLF regenerative amplifier,�?? appearing in Opt. Lett. 28, 2121-2123 (2003).
    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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Appl. Phys. Lett. (2)

J. Lu, K. Takaichi, T. Uematsu, A. Shirakawa, M. Musha, K. Ueda, H. Yagi, T. Yanagitani, and A. A. Kaminskii,�??Promising ceramic laser material : Highly transparent Nd3+:Lu2O3 ceramic,�?? Appl. Phys. Lett. 23, 4324-4326 (2002).
[CrossRef]

K. Takaichi, H. Yagi, J. Lu, J-F. Bisson, A. Shirakawa, K. Ueda, T. Yanagitani, and A. A. Kaminskii,�?? Highly efficient Yb3+-doped Y2O3 ceramic lasers at 1030 nm and 1075 nm,�?? submitted to Appl. Phys. Lett. (2003).

Cer. Int. (1)

L. Fornasiero, E. Mix, V. Peters, K. Peterman, and G. Huber, �??Czochoralski growth and laser parameters of RE3+ -doped Y2O3 and Sc2O3,�?? Cer. Int. 26, 589-592 (2002).
[CrossRef]

CLEO 2003 (1)

P. Klopp, U. Griebner, V. Petrov, K. Petermann and V. Peters, �??Highly-efficient mode-locked Yb:Sc2O3 laser,�?? in Conference on Lasers and Electro-Optics, Vol. x of 2003 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 2003), paper CWG1

IEEE J. Quantum Electron. (1)

L. D. DeLoach, S. A. Payne, L. L. Chase, L. K. Smith, W. L. Kway, and W. F. Krupke, �??Evaluation of absorption and Emission properties of Yb3+ doped crystals for laser application�??, IEEE J. Quantum Electron. 29, 1179-1191 (1993).
[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. Höninger, N. Matuschek, 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]

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

W. F. Krupke, �??Ytterbium solid-state lasers �?? the first decade,�?? IEEE J. Sel. Top. Quantum. Electron. 6, 1287-1296 (2000).
[CrossRef]

J. Lum. (1)

K. Petermann, G. Huber, L. Fornasiero S. Koch, E. Mix, V. Peters, and S. A. Basun, �??Rare-earth doped sesquioxides,�?? J. Lum. 87-89, 973-975 (2000).
[CrossRef]

J. Opt. Soc. Am. B (3)

J. Phys. C (1)

D. Bloor and J. R. Dean, �??Spectroscopy of rare earth oxide systems: I. Far infrared spectra of the rare earth sesquioxide, and nonstoichiometric praseodymium and terbium oxides,�?? J. Phys. C 5, 1237-1252 (1972).
[CrossRef]

Jpn. J. Appl. Phys (1)

J. Lu, K. Takaichi, T. Uematsu, A. Shirakawa, M. Musha, K. Ueda, H. Yagi, T. Yanagitani, and A. A. Kaminskii,�??Yb3+:Y2O3 ceramics �?? a novel solid-state laser material,�?? Jpn. J. Appl. Phys. 41, L1373-L1375 (2002).
[CrossRef]

Jpn. J. Appl. Phys. (1)

J. Lu, J. Lu, T. Murai, K. Takaichi, T. Uematsu, K. Ueda, H. Yagi, T. Yanagitani, and A. A. Kaminskii,�?? Nd3+:Y2O3 ceramic laser,�?? Jpn. J. Appl. Phys. 40, L1277-L1279 (2001).
[CrossRef]

Opt. Lett. (11)

F. Druon, F. Balembois, P. Georges, A. Brun, A. Courjaud, C. Höninger, F. Salin, A. Aron, F. Mougel, G. Aka, and D. Vivien, �??Generation of 90 fs pulses from a mode-locked diode-pumped Yb3+:Ca4GdO(BO3)3 laser,�?? Opt. Lett. 25, 423-425 (2000).
[CrossRef]

C. Höninger, G. Zhang, U. Keller, and A. Giesen, �??Femtosecond Yb:YAG laser using semiconductor saturable absorbers,�?? Opt. Lett. 20, 2402-2404 (1995).
[CrossRef]

V. Petrov, U. Griebner, D. Ehrt, and W. Seeber, �??Femtosecond self mode locking of Yb:fluoride phosphate glass laser,�?? Opt. Lett. 22, 408-410 (1997).
[CrossRef] [PubMed]

C. Höninger, F. Morier-Genoud, M. Moser, U. Keller, L. R. Brovelli, and C. Harder, �??Efficient and tunable diode-pumped femtosecond Yb:glass lasers,�?? Opt. Lett. 23, 126-128 (1998).
[CrossRef]

J. Aus der Au, S. F. Schaer, R. Paschotta, C. Höninger, U. Keller, and M. Moser, �??High-power diodepumped mode-locked Yb:YAG lasers,�?? Opt. Lett. 24, 1281-1283 (1999)
[CrossRef]

F. Brunner, G, J. Spühler, J. Aus der Au, L. Krainer, F. Morier-Genoud, R. Paschotta, N. Lichtenstein, S. Weiss, C. Harder, A. A. Lagatsky, A. Abdolvand, N. V. Kuleshov, and U. Keller, �??Diode-pumped femtosecond Yb:KGd(WO4)2 laser with 1.1-W average power,�?? Opt. Lett. 25, 1119-1121 (2000).
[CrossRef]

H. Liu, J. Nees, and G. Mourou, �??Diode-pumped Kerr-lens mode-locked Yb:KY(WO4)2 laser,�?? Opt. Lett. 26, 1723-1725 (2001).
[CrossRef]

F. Druon, S. Chénais, P. Raybaut, F. Balembois, P. Georges, R. Gaumé, G. Aka, B. Viana, S. Mohr, and D. Kopf, �??Diode-pumped Yb:Sr3Y(BO3)3 femtosecond laser,�?? Opt. Lett. 27, 197-199 (2002).
[CrossRef]

F. Druon, S. Chénais, P. Raybaut, F. Balembois, P. Georges, R. Gaumé, P. H. Haumesser, B. Viana, D. Vivien, S. Dhellemmes, V. Ortiz, and C. Larat, �??Apatite-structure crystal, Yb3+:SrY4(SiO4)3O, for the development of diode-pumped femtosecond lasers,�?? Opt. Lett. 27, 1914-1916 (2002).
[CrossRef]

E. Innerhofer, T. Südmeyer, F. Brunner, R. Häring, A. Aschwanden, R. Paschotta, C. Höninger, M. Kumkar, and U. Keller, �??60-W average power in 810-fs pulses from a thin-disk Yb:YAG laser,�?? Opt. Lett. 28, 367-369 (2003).
[CrossRef] [PubMed]

J. Kawanaka, K. Yamakawa, H. Nishioka, and K. Ueda, �??30-mJ, diode-pumped, chirped-pulse Yb:YLF regenerative amplifier,�?? appearing in Opt. Lett. 28, 2121-2123 (2003).
[CrossRef]

Opt. Mat. (1)

K. Petermann, L. Fornasiero, E. Mix, and V. Peters, �??High melting sesquioxides: crystal growth, spectroscopy, and laser experiments,�?? Opt. Mat. 19, 67-71 (2002).
[CrossRef]

Proc. of SPIE (1)

V. Senatsky, A. Shirakawa, Y. Sato, J. Hagiwara, J. Lu, K. Ueda, H. Yagi, and T. Yanagitani, �??Measurements of nonlinear refractive indices in ceramic laser media,�?? Proc. of SPIE, in press

Other (3)

T. Yanagitani, H. Yagi, and M. Ichikawa, Japanese Patent No. 10-101333 (1998).

T. Yanagitani, H. Yagi, and Y. Yamasaki, Japanese Patent No. 10-101411 (1998).

K. K. Kaminskii, Laser Crystals (Springer, Berlin, 1990).

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Figures (4)

Fig. 1.
Fig. 1.

Absorption coefficient (blue) and effective emission cross section (red) of 4 at.% Yb3+:Y2O3 ceramics at room temperature. Arrows indicate the pump and lasing wavelengths.

Fig. 2.
Fig. 2.

Schematic of the diode-pumped mode-locked Yb3+:Y2O3 ceramic laser. L’s, lenses for pump beam shaping: L1, f=8 mm aspherical; L2, f=-6.4 mm cylindrical; L3, f=70 mm cylindrical; L4, f=75 mm doublet. M’s, high-reflecting mirrors; OC’s, output couplers; P’s, SF10 Brewster prisms. Dashed lines indicate the beam lines in a cw operation. Oscillograms of the mode-locked pulse trains are shown in the lower right.

Fig. 3.
Fig. 3.

(a) Intensity autocorrelation trace of the mode-locked pulses. Solid curve : fit with sech2 pulse shape. (b) Spectrum of them. FWHMs are shown by arrows.

Fig. 4.
Fig. 4.

Contour plot of the output beam profile.

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