Cross-phase-modulation nonlinearities and holographic solitons in periodically poled photovoltaic photorefractives

Oren Cohen*, Margaret M. Murnane, Henry C. Kapteyn, Mordechai Segev

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

We show that the nonlinearity in periodically poled photovoltaic photorefractives can be solely of the cross-phase-modulation type. The effects of self-phase modulation and asymmetric energy exchange, which exist in homogeneously poled photovoltaic photorefractives, can be considerably suppressed by the periodic poling. Finally, we demonstrate numerically that periodically poled photovoltaic photorefractives can support Thirring-type ("holographic") solitons, which to our knowledge have never been observed.

Original languageEnglish
Pages (from-to)954-956
Number of pages3
JournalOptics Letters
Volume31
Issue number7
DOIs
StatePublished - 1 Apr 2006
Externally publishedYes

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