期刊
OPTICS EXPRESS
卷 21, 期 3, 页码 3067-3072出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.21.003067
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资金
- National Natural Science Foundation of China [11274224, 60978004, 60937003]
- Shanghai Shuguang Program [10SG38]
- EU [PIIF-GA-2009-253289]
We propose an approach for an efficient generation of optical Cherenkov radiation (OCR) in the near-infrared by tailoring the waveguide dispersion for a zero group-velocity mismatching between the radiation and the pump soliton. Based on an As2S3 slot waveguide with subwavelength dimensions, dispersion profiles with four zero dispersion wavelengths are found to produce a phase-matching nonlinear process leading to a broadband resonant radiation. The broadband OCR investigated in the chalcogenide waveguide may find applications in on-chip wavelength conversion and near-infrared pulse generation. (C) 2013 Optical Society of America
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