期刊
OPTICS LETTERS
卷 36, 期 1, 页码 7-9出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.36.000007
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资金
- National Natural Science Foundation of China (NSFC) [10534020, NSAF 10776011]
We propose a universal and practical scheme to realize polarization-free second-order nonlinear frequency-conversion processes, including sum-frequency generation, difference-frequency generation, and optical parametric amplification. This scheme is based on the optical superlattice with a noncritical phase-matching condition, which is suitable for optical integration. A chirped dual-period structure is proposed to ensure the efficiency and stability of the conversions. (C) 2010 Optical Society of America
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