Enhancing or suppressing self-focusing in nonlinear photonic crystals
Applied Physics Letters, ISSN: 0003-6951, Vol: 90, Issue: 16
2007
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Article Description
The authors show that the effect of self-focusing can be controlled by exploiting spatial dispersion effects in a photonic crystal. In the positive refraction region, the critical field value for self-guiding can be significantly reduced. In the negative refraction region, the self-focusing effect can be completely suppressed in spite of a positive Kerr coefficient. © 2007 American Institute of Physics.
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