Abstract
Prospects for the development of high-order parametric amplifiers as an alternative to the existing inversion-based soft-x-ray lasers are analyzed. We show how the problem of phase matching can be solved. The possibility of gain transfer from a low-order parametric process to the high-order process is discussed. Initial encouraging experimental results toward the demonstration of high-order parametric amplifiers are reported.
© 1999 Optical Society of America
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