Abstract

We report the generation of tunable GHz-repetition-rate femtosecond pulses in a synchronously-pumped optical parametric oscillator (SPOPO) with extended cavity length pumped by a 76 MHz Kerr-lens mode-locked Ti:sapphire laser. In a SPOPO based on periodically-poled LiNbO3, insertion of a prism pair for dispersion compensation internal to the linear cavity provides stable output pulse trains of up to 14th harmonic of pump repetition-rate (1064 MHz) with 70 mW of average power for 1.45 W of pump. Near-transform-limited pulses down to 216 fs are achieved with wide tunability across 1500-1540 nm by continuous detuning of the SPOPO cavity delay over 8 µm.

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References

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  1. P. E. Powers, R. J. Ellingson, W. S. Pelouch, and C. L. Tang, “Recent advances of the Ti:sapphire-pumped high-repetition-rate femtosecond optical parametric oscillator,” J. Opt. Soc. Am. B 10(11), 2162–2167 (1993).
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    [CrossRef]
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    [CrossRef]
  9. A. Esteban-Martin, O. Kokabee, K. Moutzouris, and M. Ebrahim-Zadeh, “High-harmonic-repetition-rate, 1 GHz femtosecond optical parametric oscillator pumped by a 76 MHz Ti:sapphire laser,” Opt. Lett. 34(4), 428–430 (2009).
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2009

2008

2003

J. Jiang and T. Hasama, “Synchronously pumped femtosecond optical parametric oscillator based on an improved pumping concept,” Opt. Commun. 220(1-3), 193–202 (2003).
[CrossRef]

2002

J. Jiang and T. Hasama, “Harmonic repetition-rate femtosecond optical parametric oscillator,” Appl. Phys. B 74(4-5), 313–317 (2002).
[CrossRef]

S. Lecomte, L. Krainer, R. Paschotta, M. J. P. Dymott, K. J. Weingarten, and U. Keller, “Optical parametric oscillator with a 10-GHz repetition rate and 100-mW average output power in the spectral region near 1.5 mum,” Opt. Lett. 27(19), 1714–1716 (2002).
[CrossRef]

X. P. Zhang, J. Hebling, A. Bartels, D. Nau, J. Kuhl, W. W. Rühle, and H. Giessen, “1-GHz-repetition-rate femtosecond optical parametric oscillator,” Appl. Phys. Lett. 80(11), 1873–1875 (2002).
[CrossRef]

1999

1993

Bartels, A.

Dekorsy, T.

Diddams, S. A.

Dymott, M. J. P.

Ebrahim-Zadeh, M.

Ellingson, R. J.

Esteban-Martin, A.

Gebs, R.

Giessen, H.

X. P. Zhang, J. Hebling, A. Bartels, D. Nau, J. Kuhl, W. W. Rühle, and H. Giessen, “1-GHz-repetition-rate femtosecond optical parametric oscillator,” Appl. Phys. Lett. 80(11), 1873–1875 (2002).
[CrossRef]

Hasama, T.

J. Jiang and T. Hasama, “Synchronously pumped femtosecond optical parametric oscillator based on an improved pumping concept,” Opt. Commun. 220(1-3), 193–202 (2003).
[CrossRef]

J. Jiang and T. Hasama, “Harmonic repetition-rate femtosecond optical parametric oscillator,” Appl. Phys. B 74(4-5), 313–317 (2002).
[CrossRef]

Hebling, J.

X. P. Zhang, J. Hebling, A. Bartels, D. Nau, J. Kuhl, W. W. Rühle, and H. Giessen, “1-GHz-repetition-rate femtosecond optical parametric oscillator,” Appl. Phys. Lett. 80(11), 1873–1875 (2002).
[CrossRef]

Jiang, J.

J. Jiang and T. Hasama, “Synchronously pumped femtosecond optical parametric oscillator based on an improved pumping concept,” Opt. Commun. 220(1-3), 193–202 (2003).
[CrossRef]

J. Jiang and T. Hasama, “Harmonic repetition-rate femtosecond optical parametric oscillator,” Appl. Phys. B 74(4-5), 313–317 (2002).
[CrossRef]

Keller, U.

Kokabee, O.

Krainer, L.

Kuhl, J.

X. P. Zhang, J. Hebling, A. Bartels, D. Nau, J. Kuhl, W. W. Rühle, and H. Giessen, “1-GHz-repetition-rate femtosecond optical parametric oscillator,” Appl. Phys. Lett. 80(11), 1873–1875 (2002).
[CrossRef]

Kurz, H.

Lecomte, S.

Moutzouris, K.

Nau, D.

X. P. Zhang, J. Hebling, A. Bartels, D. Nau, J. Kuhl, W. W. Rühle, and H. Giessen, “1-GHz-repetition-rate femtosecond optical parametric oscillator,” Appl. Phys. Lett. 80(11), 1873–1875 (2002).
[CrossRef]

Paschotta, R.

Pelouch, W. S.

Powers, P. E.

Rühle, W. W.

X. P. Zhang, J. Hebling, A. Bartels, D. Nau, J. Kuhl, W. W. Rühle, and H. Giessen, “1-GHz-repetition-rate femtosecond optical parametric oscillator,” Appl. Phys. Lett. 80(11), 1873–1875 (2002).
[CrossRef]

Tang, C. L.

Weingarten, K. J.

Zhang, X. P.

X. P. Zhang, J. Hebling, A. Bartels, D. Nau, J. Kuhl, W. W. Rühle, and H. Giessen, “1-GHz-repetition-rate femtosecond optical parametric oscillator,” Appl. Phys. Lett. 80(11), 1873–1875 (2002).
[CrossRef]

Appl. Phys. B

J. Jiang and T. Hasama, “Harmonic repetition-rate femtosecond optical parametric oscillator,” Appl. Phys. B 74(4-5), 313–317 (2002).
[CrossRef]

Appl. Phys. Lett.

X. P. Zhang, J. Hebling, A. Bartels, D. Nau, J. Kuhl, W. W. Rühle, and H. Giessen, “1-GHz-repetition-rate femtosecond optical parametric oscillator,” Appl. Phys. Lett. 80(11), 1873–1875 (2002).
[CrossRef]

J. Opt. Soc. Am. B

Opt. Commun.

J. Jiang and T. Hasama, “Synchronously pumped femtosecond optical parametric oscillator based on an improved pumping concept,” Opt. Commun. 220(1-3), 193–202 (2003).
[CrossRef]

Opt. Express

Opt. Lett.

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Figures (7)

Fig. 1
Fig. 1

Comparison of signal gaining in (a) fundamental synchronous SPOPO cavity with two examples for generation of third harmonic of pump repetition-rate (Q = 3) for (b) n = 4 and (c) n = 5. S1 to S5 are the independently generated signal pulses. OC is output coupler.

Fig. 2
Fig. 2

Experimental setup of the synchronously pumped femtosecond SPOPO generating optical pulses at high harmonics of the pump repetition-rate. ISO: optical isolator, HWP: a half-wave plate, L: focusing lens, P1 and P2: pair of SF11 prisms.

Fig. 3
Fig. 3

(a) Input pulse train of KLM Ti:sapphire laser at 76 MHz, and (b) Output signal pulse train of the femtosecond SPOPO at 14th harmonic of pump laser repetition-rate (1064 MHz).

Fig. 4
Fig. 4

Intensity autocorrelation and corresponding optical spectrum of SPOPO signal pulses at the 14th harmonic of pump laser repetition-rate (1064 MHz) with (up) and without (down) pair of SF11 prisms inserted for dispersion compensation.

Fig. 5
Fig. 5

SPOPO output signal wavelength tuning bandwidth and corresponding amount of required SPOPO cavity delay detuning at different harmonics of pump repetition- rate.

Fig. 6
Fig. 6

SPOPO output power and pump power threshold versus harmonic number.

Fig. 7
Fig. 7

SPOPO output power versus pump power at the 14th harmonic of pump laser repetition- rate (1064 MHz).

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