Periodically poled lithium niobate single-crystal fibers for frequency conversion applications

2004 ◽  
Author(s):  
Yalin Lu ◽  
Iyad A. Dajani ◽  
R. J. Knize
Keyword(s):  
Lithium Niobate ◽  
Single Crystal ◽  
Frequency Conversion ◽  
Periodically Poled ◽  
Lithium Niobate Single Crystal ◽  
Periodically Poled Lithium Niobate ◽  
Crystal Fibers

scholarly journals Domain-Reversed Lithium Niobate Single-Crystal Fibers are Potentially for Efficient Terahertz Wave Generation

2008 ◽  
Vol 2008 ◽  
pp. 1-5
Author(s):  
Yalin Lu ◽  
Kitt Reinhardt
Keyword(s):  
Lithium Niobate ◽  
Single Crystal ◽  
Frequency Conversion ◽  
Optical Microscope ◽  
Terahertz Wave ◽  
Nonlinear Frequency ◽  
Periodic Domain ◽  
Nonlinear Frequency Conversion ◽  
Lithium Niobate Single Crystal ◽  
Crystal Fibers

Nonlinear frequency conversion remains one of the dominant approaches to efficiently generate THz waves. Significant material absorption in the THz range is the main factor impeding the progress towards this direction. In this research, a new multicladding nonlinear fiber design was proposed to solve this problem, and as the major experimental effort, periodic domain structure was introduced into lithium niobate single-crystal fibers by electrical poling. The introduced periodic domain structures were nondestructively revealed using a crossly polarized optical microscope and a confocal scanning optical microscope for quality assurance.

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