Pulse width tunable passively mode-locked Nd:YVO<sub>4</sub> laser based on
                hybrid laser gain medium locations

doi:10.1364/OE.18.017584

Pulse width tunable passively mode-locked Nd:YVO₄ laser based on hybrid laser gain medium locations

Hua Lin, Yen-Yin Lin, Yuan-Yao Lin, Jinping He, Jinfeng Li, and Xiaoyan Liang »View Author Affiliations

Optics Express, Vol. 18, Issue 17, pp. 17584-17590 (2010)
http://dx.doi.org/10.1364/OE.18.017584

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Abstract

A pulse width tunable passively mode-locked laser with a wavelength of 1,064 nm and two Nd:YVO₄ crystals located in asymmetric positions is demonstrated. By adjusting the pump power of the crystals, the pulse width can be continuously tuned from 8.8 to 20.3 ps at a stable mode-locked repetition rate of 122 MHz. A theoretical model is proposed to describe the experiment results phenomenologically. In this system, a maximum output power of 4.44 W is achieved with a pump of 13.68 W, corresponding to an optical-to-optical efficiency of 32.5%. The beam quality factor, M², is found to be M²_x = 1.15 and M²_y = 1.13 in the orthogonal directions at an output power of 3.2 W.

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.4050) Lasers and laser optics : Mode-locked lasers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: March 8, 2010
Revised Manuscript: July 9, 2010
Manuscript Accepted: July 23, 2010
Published: August 2, 2010

Citation
Hua Lin, Yen-Yin Lin, Yuan-Yao Lin, Jinping He, Jinfeng Li, and Xiaoyan Liang, "Pulse width tunable passively mode-locked Nd:YVO₄ laser based on hybrid laser gain medium locations," Opt. Express 18, 17584-17590 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-17-17584

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References

E. Gratton and M. J. van de Ven, “Laser sources for confocal microscopy,” in Handbook of Biological confocal microscopy, James B. Pawley, ed. (Springer Science + Business Media, LLC, 2006).
K. Weingarten, “High Energy Picosecond Lasers: Ready for Prime Time,” Laser Technik Journal 6(3), 51–54 (2009). [CrossRef]
B. Braun, K. J. Weingarten, F. X. Kärtner, and U. Keller, “Continuous-wave mode-locked solid-state lasers with enhanced spatial hole burning,” Appl. Phys. B 61(5), 429–437 (1995). [CrossRef]
F. X. Kärtner, B. Braun, and U. Keller, “Continuous-wave mode-locked solid-state lasers with enhanced spatial hole burning,” Appl. Phys. B 61(6), 569–579 (1995). [CrossRef]
F. Brunner, R. Paschotta, J. Aus der Au, G. J. Spühler, F. Morier-Genoud, R. Hövel, M. Moser, S. Erhard, M. Karszewski, A. Giesen, and U. Keller, “Widely tunable pulse durations from a passively mode-locked thin-disk Yb:YAG laser,” Opt. Lett. 26(6), 379–381 (2001), http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-26-6-379 . [CrossRef]
C. J. Flood, D. R. Walker, and H. M. van Driel, “Effect of spatial hole burning in a mode-locked diode end-pumped Nd:YAG laser,” Opt. Lett. 20(1), 58–60 (1995), http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-20-1-58 . [CrossRef] [PubMed]
C. J. Flood, D. R. Walker, and H. M. van Driel, “Role of Spatial Hole Burning in an Actively Mode-Locked Solid-State Laser, ” in Advanced Solid State Lasers, B. Chai and S. Payne, eds., Vol. 24 of OSA Proceedings Series (Optical Society of America, 1995), paper PL1 http://www.opticsinfobase.org/abstract.cfm?URI=ASSL-1995-PL1 .
A. Agnesi, A. Lucca, G. Reali, and A. Tomaselli, “All-solid-state high-repetition-rate optical source tunable in wavelength and in pulse duration,” J. Opt. Soc. Am. B 18(3), 286–290 (2001), http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-18-3-286 . [CrossRef]
A. Takada, K. Sato, M. Saruwatari, and M. Yamamoto, “Pulse width tunable subpicosecond pulse generation from an actively modelocked monolithic MOW laser/MQW electroabsorption modulator,” Electron. Lett. 30(11), 898–900 (1994). [CrossRef]
M. Lührmann, C. Theobald, R. Wallenstein, and J. A. L’huillier, “Efficient generation of mode-locked pulses in Nd:YVO4 with a pulse duration adjustable between 34 ps and 1 ns,” Opt. Express 17(8), 6177–6186 (2009). [CrossRef] [PubMed]
M. Haiml, R. Grange, and U. Keller, “Optical characterization of semiconductor saturable absorbers,” Appl. Phys. B 79(3), 331–339 (2004). [CrossRef]
U. Keller, “Recent developments in compact ultrafast lasers,” Nature 424(6950), 831–838 (2003). [CrossRef] [PubMed]
U. Keller, “Ultrafast solid-state lasers,” Prog. Opt. 46, 1–115 (2004). [CrossRef]
F. X. Kurtner, J. A. der Au, and U. Keller, “Mode-locking with slow and fast saturable absorbers - What's the difference?” IEEE J. Quantum Electron. 4(2), 159–168 (1998). [CrossRef]
B. A. Malomed, A. G. Vladimirov, and V. Galina, “Stable autosolitons in dispersive media with saturable gain and absorption,” Phys. Lett. A 274(3-4), 111–116 (2000). [CrossRef]
A. G. Vladimirov, N. N. Rozanov, S. V. Fedorov, and G. V. Khodova, “Bifurcation analysis of laser autosolitons,” Quantum Electron. 27(11), 949–952 (1997). [CrossRef]

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[1] E. Gratton and M. J. van de Ven, “Laser sources for confocal microscopy,” in Handbook of Biological confocal microscopy, James B. Pawley, ed. (Springer Science + Business Media, LLC, 2006).

[2] K. Weingarten, “High Energy Picosecond Lasers: Ready for Prime Time,” Laser Technik Journal 6(3), 51–54 (2009). [CrossRef]

[3] B. Braun, K. J. Weingarten, F. X. Kärtner, and U. Keller, “Continuous-wave mode-locked solid-state lasers with enhanced spatial hole burning,” Appl. Phys. B 61(5), 429–437 (1995). [CrossRef]

[4] F. X. Kärtner, B. Braun, and U. Keller, “Continuous-wave mode-locked solid-state lasers with enhanced spatial hole burning,” Appl. Phys. B 61(6), 569–579 (1995). [CrossRef]

[5] F. Brunner, R. Paschotta, J. Aus der Au, G. J. Spühler, F. Morier-Genoud, R. Hövel, M. Moser, S. Erhard, M. Karszewski, A. Giesen, and U. Keller, “Widely tunable pulse durations from a passively mode-locked thin-disk Yb:YAG laser,” Opt. Lett. 26(6), 379–381 (2001), http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-26-6-379 . [CrossRef]

[6] C. J. Flood, D. R. Walker, and H. M. van Driel, “Effect of spatial hole burning in a mode-locked diode end-pumped Nd:YAG laser,” Opt. Lett. 20(1), 58–60 (1995), http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-20-1-58 . [CrossRef] [PubMed]

[7] C. J. Flood, D. R. Walker, and H. M. van Driel, “Role of Spatial Hole Burning in an Actively Mode-Locked Solid-State Laser, ” in Advanced Solid State Lasers, B. Chai and S. Payne, eds., Vol. 24 of OSA Proceedings Series (Optical Society of America, 1995), paper PL1 http://www.opticsinfobase.org/abstract.cfm?URI=ASSL-1995-PL1 .

[8] A. Agnesi, A. Lucca, G. Reali, and A. Tomaselli, “All-solid-state high-repetition-rate optical source tunable in wavelength and in pulse duration,” J. Opt. Soc. Am. B 18(3), 286–290 (2001), http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-18-3-286 . [CrossRef]

[9] A. Takada, K. Sato, M. Saruwatari, and M. Yamamoto, “Pulse width tunable subpicosecond pulse generation from an actively modelocked monolithic MOW laser/MQW electroabsorption modulator,” Electron. Lett. 30(11), 898–900 (1994). [CrossRef]

[10] M. Lührmann, C. Theobald, R. Wallenstein, and J. A. L’huillier, “Efficient generation of mode-locked pulses in Nd:YVO4 with a pulse duration adjustable between 34 ps and 1 ns,” Opt. Express 17(8), 6177–6186 (2009). [CrossRef] [PubMed]

[11] M. Haiml, R. Grange, and U. Keller, “Optical characterization of semiconductor saturable absorbers,” Appl. Phys. B 79(3), 331–339 (2004). [CrossRef]

[12] U. Keller, “Recent developments in compact ultrafast lasers,” Nature 424(6950), 831–838 (2003). [CrossRef] [PubMed]

[13] U. Keller, “Ultrafast solid-state lasers,” Prog. Opt. 46, 1–115 (2004). [CrossRef]

[14] F. X. Kurtner, J. A. der Au, and U. Keller, “Mode-locking with slow and fast saturable absorbers - What's the difference?” IEEE J. Quantum Electron. 4(2), 159–168 (1998). [CrossRef]

[15] B. A. Malomed, A. G. Vladimirov, and V. Galina, “Stable autosolitons in dispersive media with saturable gain and absorption,” Phys. Lett. A 274(3-4), 111–116 (2000). [CrossRef]

[16] A. G. Vladimirov, N. N. Rozanov, S. V. Fedorov, and G. V. Khodova, “Bifurcation analysis of laser autosolitons,” Quantum Electron. 27(11), 949–952 (1997). [CrossRef]

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Pulse width tunable passively mode-locked Nd:YVO₄ laser based on hybrid laser gain medium locations