期刊
OPTICS LETTERS
卷 40, 期 21, 页码 4903-4906出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.40.004903
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资金
- National Natural Science Foundation of China (NSFC) [11374050]
We investigate the high-order harmonic generation (HHG) in a semiconductor quantum dot (SQD) and metallic nanorod (MNR) complex driven by a moderate intensity (<10(12) W/cm(2)) frequency-chirped Gaussian few-cycle pulse. Our numerical results indicate that the cutoff energy of the HHG can be controlled by optimizing the shape of the MNR and surface-to-surface distance between the SQD and the MNR. We also show that the extreme ultraviolet supercontinuum harmonics (25 eV maximal photon energy) and isolated ultrashort pulses (2.67 - 4.36 fs FWHM) are achievable. (C) 2015 Optical Society of America
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