Analysis of colinear quasi-phase-matching in nonlinear photonic crystals

Alon Bahabad*, Noa Voloch, Ady Arie

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Standard quasi-phase-matching (QPM) schemes assume exact momentum relations between the interacting beams, thus necessitating the direct use of a reciprocal lattice vector to satisfy momentum balance. Usage of finite width beams for colinear interactions permits to use a projection of the reciprocal lattice vector along the propagation direction of the beams. We analytically derive this result and exam the new options given by this projection-based QPM for the analysis and design of nonlinear optical devices.

Original languageEnglish
Pages (from-to)638-644
Number of pages7
JournalIEEE Journal of Quantum Electronics
Issue number7
StatePublished - 2008


  • Frequency conversion
  • Nonlinear optics
  • Phase-matching


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