Journal
OPTICS EXPRESS
Volume 21, Issue 20, Pages 24120-24128Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.21.024120
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Funding
- Chinese Ministry of Science and Technology through the 973 program [2011CB808100]
- state key laboratory program, National Natural Science Foundation [60921004, 10904157, 60978012, 61078022, 60808008, 11134010]
- Chinese Academy of Sciences
- Shanghai Commission of Science and Technology [10QA1407600]
- Shanghai Supercomputer Center of China
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We report on the first direct observation of carrier-envelope-phase (CEP) effect during the interaction between few-cycle laser pulses and bulk solid materials. Using 2-cycle mid-infrared laser pulses with stabilized CEP, the CEP effect of tunneling ionization during the laser filamentation in a fused silica is revealed. The phase variation of the accompanying supercontinuum (SC) emission with filamentation at different CEPs of laser pulses can be measured by means of spectral interference technique, as a direct manifestation of the strong field tunneling ionization dynamics in transparent solids. (C) 2013 Optical Society of America
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