Abstract

We report a novel nanosecond pulsed laser with a highly accurate gigahertz beat that is realized by injection locking to gigahertz sidebands generated from a single-frequency cw laser radiation using a Mach–Zehnder type intensity modulator. It is shown from both the spectrum of the pulsed sidebands and their coherent beat in the time domain that the frequency accuracy of an rf oscillator driving the intensity modulator is reflected in the injection-locked nanosecond pulse with an intense peak power of the megawatt class.

© 2007 Optical Society of America

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References

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L. Morvan, N. D. Lai, D. Dolfi, J.-P. Huignard, and M. Brunel, Appl. Opt. 41, 5702 (2002).
[CrossRef] [PubMed]

A. V. Sokolov, D. R. Walker, D. D. Yavuz, G. Y. Yin, and S. E. Harris, Phys. Rev. Lett. 85, 562 (2002).
[CrossRef]

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T. D. Raymond and A. V. Smith, IEEE J. Quantum Electron. 31, 1734 (1995).
[CrossRef]

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R. C. Alferness, IEEE Trans. Microwave Theory Tech. 30, 1121 (1982).
[CrossRef]

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Alferness, R. C.

R. C. Alferness, IEEE Trans. Microwave Theory Tech. 30, 1121 (1982).
[CrossRef]

Bösenberg, J.

Brunel, M.

Byer, R. L.

Dolfi, D.

Ertel, K.

Giuliani, G.

Hale, C. P.

Harris, S. E.

A. V. Sokolov, D. R. Walker, D. D. Yavuz, G. Y. Yin, and S. E. Harris, Phys. Rev. Lett. 85, 562 (2002).
[CrossRef]

Henderson, S. W.

Huffaker, R. M.

Huignard, J.-P.

Kane, T. J.

Kao, D. C.

Katsuragawa, M.

Kavaya, M. J.

Lai, N. D.

Linné, H.

Magee, J. R.

Morvan, L.

Mullen, L. J.

Onose, T.

Park, Y. K.

Raymond, T. D.

T. D. Raymond and A. V. Smith, IEEE J. Quantum Electron. 31, 1734 (1995).
[CrossRef]

Smith, A. V.

T. D. Raymond and A. V. Smith, IEEE J. Quantum Electron. 31, 1734 (1995).
[CrossRef]

Sokolov, A. V.

A. V. Sokolov, D. R. Walker, D. D. Yavuz, G. Y. Yin, and S. E. Harris, Phys. Rev. Lett. 85, 562 (2002).
[CrossRef]

Walker, D. R.

A. V. Sokolov, D. R. Walker, D. D. Yavuz, G. Y. Yin, and S. E. Harris, Phys. Rev. Lett. 85, 562 (2002).
[CrossRef]

Yavuz, D. D.

A. V. Sokolov, D. R. Walker, D. D. Yavuz, G. Y. Yin, and S. E. Harris, Phys. Rev. Lett. 85, 562 (2002).
[CrossRef]

Yin, G. Y.

A. V. Sokolov, D. R. Walker, D. D. Yavuz, G. Y. Yin, and S. E. Harris, Phys. Rev. Lett. 85, 562 (2002).
[CrossRef]

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Figures (3)

Fig. 1
Fig. 1

Schematic of injection-locked GHz-beat nanosecond pulsed Ti:sapphire laser system. GLP, Gran laser prism; PMF, polarization-maintaining fiber; SMF, single-mode fiber; FG, function generator; OC, output coupler; PZT, piezoelectric transducer.

Fig. 2
Fig. 2

a, Spectra of seed (dashed curve) and pulsed output (heavy curve) at a modulation frequency of 2.4350000 ( 5 ) GHz . The inset shows the corresponding temporal profile of the pulsed output. b, Spectra of pulsed outputs at various modulation frequencies: 0.5, 2.5, 4.5, 6.5, and 12.5 × FSR , from top to bottom, respectively, with FSR = 0.973 ( 1 ) GHz .

Fig. 3
Fig. 3

a, Temporal profile of injection-locked pulsed output with rf-beat structure, observed by a high-speed detector. The modulation frequency was set at 0.4865000 ( 5 ) GHz . b, Fourier analysis of the temporal profile. c, Distribution of the beat frequency analyzed for the measured 130 temporal profiles.

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