Extreme nonlinear optics in a femtosecond enhancement cavity |
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Authors: | Allison T K Cingöz A Yost D C Ye J |
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Institution: | JILA, National Institute of Standards and Technology and University of Colorado, Boulder, Colorado 80309, USA. |
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Abstract: | Intrinsic to the process of high-order harmonic generation is the creation of plasma and the resulting spatiotemporal distortions of the driving laser pulse. Inside a high-finesse cavity where the driver pulse and gas medium are reused, this can lead to optical bistability of the cavity-plasma system, accumulated self-phase modulation of the intracavity pulse, and coupling to higher-order cavity modes. We present an experimental and theoretical study of these effects and discuss their implications for power scaling of intracavity high-order harmonic generation and extreme ultraviolet frequency combs. |
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