Abstract

High-phase-conjugate reflectivities of >800% have been achieved through degenerate four-wave mixing in a cw diode-side-pumped Nd:YVO4 amplifier. Reflectivity curves are shown as a function of input pump-beam intensity for three values of small-signal amplifier gain, and comparison is made with a numerical simulation.

© 1999 Optical Society of America

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References

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1997 (1)

1995 (3)

1993 (1)

1992 (1)

1986 (1)

I. M. Bel’dyugin, M. V. Zolotarev, S. E. Kireev, and A. I. Odintsov, Sov. J. Quantum Electron. 16, 535 (1986).
[CrossRef]

1982 (1)

J. Reintjes and L. Palumbo, IEEE J. Quantum. Electron. QE-11, 1934 (1982).
[CrossRef]

1979 (1)

1978 (1)

R. L. Abrams and R. C. Lind, Opt. Lett. 4, 94 (1978).
[CrossRef]

Abrams, R. L.

R. L. Abrams and R. C. Lind, Opt. Lett. 4, 94 (1978).
[CrossRef]

Alcock, A. J.

Bel’dyugin, I. M.

I. M. Bel’dyugin, M. V. Zolotarev, S. E. Kireev, and A. I. Odintsov, Sov. J. Quantum Electron. 16, 535 (1986).
[CrossRef]

Bernard, J. E.

Brignon, A.

Case, A. D.

Crofts, G. J.

Damzen, M. J.

Feldman, B. J.

Feugnet, G.

Fisher, R. A.

Green, R. P. M.

Huignard, J.-P.

Hutchinson, M. H. R.

Kireev, S. E.

I. M. Bel’dyugin, M. V. Zolotarev, S. E. Kireev, and A. I. Odintsov, Sov. J. Quantum Electron. 16, 535 (1986).
[CrossRef]

Lind, R. C.

R. L. Abrams and R. C. Lind, Opt. Lett. 4, 94 (1978).
[CrossRef]

Minassian, A.

Odintsov, A. I.

I. M. Bel’dyugin, M. V. Zolotarev, S. E. Kireev, and A. I. Odintsov, Sov. J. Quantum Electron. 16, 535 (1986).
[CrossRef]

Palumbo, L.

J. Reintjes and L. Palumbo, IEEE J. Quantum. Electron. QE-11, 1934 (1982).
[CrossRef]

Pochelle, J.-P.

Reintjes, J.

J. Reintjes and L. Palumbo, IEEE J. Quantum. Electron. QE-11, 1934 (1982).
[CrossRef]

Soan, P. J.

Syed, K. S.

Zolotarev, M. V.

I. M. Bel’dyugin, M. V. Zolotarev, S. E. Kireev, and A. I. Odintsov, Sov. J. Quantum Electron. 16, 535 (1986).
[CrossRef]

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Figures (3)

Fig. 1
Fig. 1

(a) Schematic of the degenerate FWM arrangement used for the phase-conjugate reflectivity measurements: BS1–BS3, beam splitters, HWP1, HWP2, half-wave plates; FI, Faraday isolator; S, signal beam; FP, forward pump; BP, backward pump; PC, phase conjugate.

Fig. 2
Fig. 2

(a) Schematic of the FWM arrangement, indicating the polarization of the interaction beams and the orientation of the Nd:YVO4 crystal. The length of the crystal is L=20 mm and the width is d=5 mm. (b) Schematic of the equivalent gain model, showing the separate FWM and amplification regions.

Fig. 3
Fig. 3

Phase-conjugate reflectivity versus intensity normalized to Isat (1 kW/cm2) for small-signal gain values of (i) Gsig=1000, Gpump=100; (ii) Gsig=150, Gpump=40; (iii) Gsig=45, Gpump=20. The points represent experimental values, and the curves represent the numerical modeling results.

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