Abstract

A new scheme for efficient optical parametric chirped pulse amplification is proposed by introducing a time delay between long pump and short seed pulses. Numerical results show that high conversion efficiency from the pump to seed and high gain can be achieved simultaneously, and the amplified seed pulse is stable and not sensitive to timing jitter.

© 2002 Optical Society of America

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References

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Appl. Opt.

IEEE J. Quantum Electron.

R. A. Baumgartner and R. Byer, �??Optical parametric amplification,�?? IEEE J. Quantum Electron. QE-15, 432-444 (1979).
[CrossRef]

J. Opt. Soc. Am. B

Opt. Commun.

S.K. Zhang, M. Fujita, M. Yamanaka, M. Nakatsuka, Y. Izawa, and C. Yamanaka, �??Stude of the stability of optical parametric amplification,�?? Opt. Commun. 184, 451-455 (2000).
[CrossRef]

A. Dubietis, G. Jonusauskas, and A. Piskarskas, �??Powerful femtosecond pulse generation by chirped and stretched pulse parametric amplification in BBO crystal,�?? Opt. Commun. 88, 437-440 (1992).
[CrossRef]

I. N. Ross, P. Matousek, M. Towrie, A. J. Langley, and J. L. Collier, �??The prospects for ultrashort pulse duration and ultrahigh intensity using optical parametric chirped pulse amplification,�?? Opt. Commun. 144, 125-133(1997).
[CrossRef]

Opt. Lett.

Other

H. Yoshida, E. Ishii, R. Kodama, H. Fujita, Y. Kitagawa, N. Miyanaga, Y. Izawa, and T. Yamanaka, �??Synchronized pulse generation for GEKKO-XII laser from front-end system based on OPCPA for PW laser,�?? in The Third Asian Pacific Laser Symposium (APLS 2002), WePA2, The Senri Life Science Center, Osaka, Japan, September 18, 2002.

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Figures (3)

Fig. 1.
Fig. 1.

A scheme for efficient OPCPA. p, s, and i denote the pump, seed, and idler pulses. Ts and Tp are durations of the seed and pump pulses, respectively.

Fig. 2.
Fig. 2.

Pump-to-seed energy conversion efficiency and gain as functions of the crystal thickness.

Fig. 3.
Fig. 3.

Temporal profiles of the seed and pump pulses behind the OPA3 stage on both linear (a) and logarithmic (b) scales.

Tables (1)

Tables Icon

Table 1. Parameters of seed and pump laser pulses

Equations (4)

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d E s d z = i 2 ω s n s c d eff E i * E p exp ( i Δ k z ) ,
d E i d z = i 2 ω i n i c d eff E s * E p exp ( i Δ k z ) ,
d E p d z = i 2 ω p n p c d eff E s E i exp ( i Δ k z ) ,
I j = 2 n j c ε 0 A j 2 ( j = s , i , p ) ,

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