Journal
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS
Volume 27, Issue 7, Pages 1475-1480Publisher
OPTICAL SOC AMER
DOI: 10.1364/JOSAB.27.001475
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Funding
- National Natural Science Foundation of China (NSFC) [10734080, 10574092]
- National Basic Research Program 973 of China [2006CB806000]
- Shanghai Leading Academic Discipline Project [B201]
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We systematically study the characteristics of the Cherenkov second-harmonic generation in periodically poled lithium niobate by femtosecond pulses. A relatively high conversion efficiency is obtained and what we believe to be a new different explanation is proposed that nonlinearities in the domain wall region have been enhanced significantly, which is a new feature of the domain wall that has not been studied previously. (C) 2010 Optical Society of America
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