Abstract

An Nd:YVO4 amplifier consisting of two modules end pumped at 808 nm at 30 W total absorbed power has been designed for efficient, diffraction-limited amplification of ultrafast pulses from low-power seeders. We investigated amplification with a 50 mW, 7 ps Nd:YVO4 oscillator, a 2 mW, 15 ps Yb fiber laser, and a 30 mW, 300 fs Nd:glass laser. Output power as high as 9.5 W with 8 ps pulses was achieved with the 250 MHz vanadate seeder, whereas the 20 MHz fiber laser was amplified to 6 W. The femtosecond seeder allowed extracting Fourier-limited 4 ps pulses at 7 W output power. To our knowledge, these are the shortest pulses from any Nd:YVO4 laser device with at least 7 W output power. This suggests a novel approach to exploit the gain bandwidth of vanadate amplifiers with high output power levels. Such amplifier technology promises to offer an interesting alternative to high-power thin disk oscillators at few picoseconds duration, as well as to regenerative amplifiers with low-repetition-rate fiber seeders.

© 2012 Optical Society of America

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2012

D. Bauer, I. Zawischa, D. H. Sutter, A. Killi, and T. Dekorsy, Opt. Express 20, 9698 (2012).
[CrossRef]

A. Agnesi, L. Carrà, C. Di Marco, R. Piccoli, and G. Reali, IEEE Photon. Technol. Lett. 24, 927 (2012).
[CrossRef]

2011

2010

2009

2007

2006

A. Agnesi, L. Carrà, F. Pirzio, G. Reali, A. Tomaselli, D. Scarpa, and C. Vacchi, IEEE J. Quantum Electron. 42, 772(2006).
[CrossRef]

2001

1995

B. Braun, K. J. Weingarten, F. X. Kärtner, and U. Keller, Appl. Phys. B 61, 429 (1995).
[CrossRef]

Agnesi, A.

A. Agnesi, L. Carrà, C. Di Marco, R. Piccoli, and G. Reali, IEEE Photon. Technol. Lett. 24, 927 (2012).
[CrossRef]

A. Agnesi, F. Pirzio, and G. Reali, Opt. Express 17, 9171 (2009).
[CrossRef]

A. Agnesi, L. Carrà, F. Pirzio, G. Reali, A. Tomaselli, D. Scarpa, and C. Vacchi, IEEE J. Quantum Electron. 42, 772(2006).
[CrossRef]

A. Agnesi, A. Lucca, G. Reali, and A. Tomaselli, J. Opt. Soc. Am. B 18, 286 (2001).
[CrossRef]

Bauer, D.

Benetti, M.

A. Dergachev, M. A. Yakshin, P. F. Moulton, C. Janke, M. Benetti, T. Ruchti, and M. Shinn, in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies (Optical Society of America, 2005), paper CMJ4.

Braun, B.

B. Braun, K. J. Weingarten, F. X. Kärtner, and U. Keller, Appl. Phys. B 61, 429 (1995).
[CrossRef]

Buchvarov, I.

Carrà, L.

A. Agnesi, L. Carrà, C. Di Marco, R. Piccoli, and G. Reali, IEEE Photon. Technol. Lett. 24, 927 (2012).
[CrossRef]

A. Agnesi, L. Carrà, F. Pirzio, G. Reali, A. Tomaselli, D. Scarpa, and C. Vacchi, IEEE J. Quantum Electron. 42, 772(2006).
[CrossRef]

Chuchumishev, D.

Dekorsy, T.

Dergachev, A.

A. Dergachev, M. A. Yakshin, P. F. Moulton, C. Janke, M. Benetti, T. Ruchti, and M. Shinn, in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies (Optical Society of America, 2005), paper CMJ4.

Di Marco, C.

A. Agnesi, L. Carrà, C. Di Marco, R. Piccoli, and G. Reali, IEEE Photon. Technol. Lett. 24, 927 (2012).
[CrossRef]

Ebrahim-Zadeh, M.

Esteban-Martin, A.

Fries, C.

Gabler, T.

Harrison, J.

J. J. Zayhowski and J. Harrison, in Handbook of Photonics, M. C. Gupta, ed. (CRC Press, 1997), pp. 326–392.

Iliev, H.

Janke, C.

A. Dergachev, M. A. Yakshin, P. F. Moulton, C. Janke, M. Benetti, T. Ruchti, and M. Shinn, in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies (Optical Society of America, 2005), paper CMJ4.

Jetschke, S.

Kärtner, F. X.

B. Braun, K. J. Weingarten, F. X. Kärtner, and U. Keller, Appl. Phys. B 61, 429 (1995).
[CrossRef]

Keller, U.

B. Braun, K. J. Weingarten, F. X. Kärtner, and U. Keller, Appl. Phys. B 61, 429 (1995).
[CrossRef]

Killi, A.

Koechner, W.

W. Koechner, Solid-State Laser Engineering (Springer, 1999).

Kokabee, O.

L’huillier, J. A.

Liem, A.

Limpert, J.

Lucca, A.

McDonagh, L.

Moulton, P. F.

A. Dergachev, M. A. Yakshin, P. F. Moulton, C. Janke, M. Benetti, T. Ruchti, and M. Shinn, in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies (Optical Society of America, 2005), paper CMJ4.

Müller, H.-R.

Nebel, A.

Petrov, V.

Piccoli, R.

A. Agnesi, L. Carrà, C. Di Marco, R. Piccoli, and G. Reali, IEEE Photon. Technol. Lett. 24, 927 (2012).
[CrossRef]

Pirzio, F.

A. Agnesi, F. Pirzio, and G. Reali, Opt. Express 17, 9171 (2009).
[CrossRef]

A. Agnesi, L. Carrà, F. Pirzio, G. Reali, A. Tomaselli, D. Scarpa, and C. Vacchi, IEEE J. Quantum Electron. 42, 772(2006).
[CrossRef]

Reali, G.

A. Agnesi, L. Carrà, C. Di Marco, R. Piccoli, and G. Reali, IEEE Photon. Technol. Lett. 24, 927 (2012).
[CrossRef]

A. Agnesi, F. Pirzio, and G. Reali, Opt. Express 17, 9171 (2009).
[CrossRef]

A. Agnesi, L. Carrà, F. Pirzio, G. Reali, A. Tomaselli, D. Scarpa, and C. Vacchi, IEEE J. Quantum Electron. 42, 772(2006).
[CrossRef]

A. Agnesi, A. Lucca, G. Reali, and A. Tomaselli, J. Opt. Soc. Am. B 18, 286 (2001).
[CrossRef]

Ruchti, T.

A. Dergachev, M. A. Yakshin, P. F. Moulton, C. Janke, M. Benetti, T. Ruchti, and M. Shinn, in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies (Optical Society of America, 2005), paper CMJ4.

Scarpa, D.

A. Agnesi, L. Carrà, F. Pirzio, G. Reali, A. Tomaselli, D. Scarpa, and C. Vacchi, IEEE J. Quantum Electron. 42, 772(2006).
[CrossRef]

Schäfer, C.

Shinn, M.

A. Dergachev, M. A. Yakshin, P. F. Moulton, C. Janke, M. Benetti, T. Ruchti, and M. Shinn, in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies (Optical Society of America, 2005), paper CMJ4.

Siegman, A. E.

A. E. Siegman, Lasers (University Science, 1986).

Sutter, D. H.

Theobald, C.

Tomaselli, A.

A. Agnesi, L. Carrà, F. Pirzio, G. Reali, A. Tomaselli, D. Scarpa, and C. Vacchi, IEEE J. Quantum Electron. 42, 772(2006).
[CrossRef]

A. Agnesi, A. Lucca, G. Reali, and A. Tomaselli, J. Opt. Soc. Am. B 18, 286 (2001).
[CrossRef]

Tünnermann, A.

Unger, S.

Vacchi, C.

A. Agnesi, L. Carrà, F. Pirzio, G. Reali, A. Tomaselli, D. Scarpa, and C. Vacchi, IEEE J. Quantum Electron. 42, 772(2006).
[CrossRef]

Wallenstein, R.

Weingarten, K. J.

B. Braun, K. J. Weingarten, F. X. Kärtner, and U. Keller, Appl. Phys. B 61, 429 (1995).
[CrossRef]

Yakshin, M. A.

A. Dergachev, M. A. Yakshin, P. F. Moulton, C. Janke, M. Benetti, T. Ruchti, and M. Shinn, in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies (Optical Society of America, 2005), paper CMJ4.

Zawischa, I.

Zayhowski, J. J.

J. J. Zayhowski and J. Harrison, in Handbook of Photonics, M. C. Gupta, ed. (CRC Press, 1997), pp. 326–392.

Zellmer, H.

Appl. Phys. B

B. Braun, K. J. Weingarten, F. X. Kärtner, and U. Keller, Appl. Phys. B 61, 429 (1995).
[CrossRef]

IEEE J. Quantum Electron.

A. Agnesi, L. Carrà, F. Pirzio, G. Reali, A. Tomaselli, D. Scarpa, and C. Vacchi, IEEE J. Quantum Electron. 42, 772(2006).
[CrossRef]

IEEE Photon. Technol. Lett.

A. Agnesi, L. Carrà, C. Di Marco, R. Piccoli, and G. Reali, IEEE Photon. Technol. Lett. 24, 927 (2012).
[CrossRef]

J. Opt. Soc. Am. B

Opt. Express

Opt. Lett.

Other

A. E. Siegman, Lasers (University Science, 1986).

W. Koechner, Solid-State Laser Engineering (Springer, 1999).

A. Dergachev, M. A. Yakshin, P. F. Moulton, C. Janke, M. Benetti, T. Ruchti, and M. Shinn, in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies (Optical Society of America, 2005), paper CMJ4.

http://www.fianium.com/femtopower.htm .

J. J. Zayhowski and J. Harrison, in Handbook of Photonics, M. C. Gupta, ed. (CRC Press, 1997), pp. 326–392.

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Figures (4)

Fig. 1.
Fig. 1.

Amplifier setup. Two-pass high-gain preamplifier (1) and single-pass power amplifier (2). f1=200mm, f2=300mm. A Faraday isolator protects the seeder.

Fig. 2.
Fig. 2.

(a) Gain measurements as the ratio of output and input power (dots) and best fit model results (lines) for the two amplifier modules. (b) Beam quality at 10 W output (cw).

Fig. 3.
Fig. 3.

Output pulse and spectrum (inset) from the test with the fiber seeder. The input pulse autocorrelation (best fit assuming a sech2 intensity envelope) was basically identical.

Fig. 4.
Fig. 4.

Input and output pulse autocorrelations (a) and spectrum (b) from the femtosecond seeder test.

Tables (1)

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Table 1. Summary of Amplification Tests

Equations (1)

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PiPSL=ln(G0/G)G1.

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