• Chinese Journal of Lasers
  • Vol. 46, Issue 2, 0208001 (2019)
Boqin Ma* and Huangjia Li
Author Affiliations
  • Faculty of Science and Engineering, Communication University of China, Beijing 100024, China
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    DOI: 10.3788/CJL201946.0208001 Cite this Article Set citation alerts
    Boqin Ma, Huangjia Li. High-Order Nonlinear Diffraction Harmonics in Nonlinear Photonic Crystals[J]. Chinese Journal of Lasers, 2019, 46(2): 0208001 Copy Citation Text show less
    Distribution of reciprocal lattice vectors in reciprocal space of two-dimensional Sierpinski fractal superlattice
    Fig. 1. Distribution of reciprocal lattice vectors in reciprocal space of two-dimensional Sierpinski fractal superlattice
    Nonlinear diffraction harmonics in LiNbO3 nonlinear photonic crystal with two-dimensional Sierpinski fractal superlattice
    Fig. 2. Nonlinear diffraction harmonics in LiNbO3 nonlinear photonic crystal with two-dimensional Sierpinski fractal superlattice
    Conical angles of nonlinear cerenkov radiation under different fundamental wavelengths. (a) External; (b) internal
    Fig. 3. Conical angles of nonlinear cerenkov radiation under different fundamental wavelengths. (a) External; (b) internal
    Transportation route of direct fifth-order nonlinear cerenkov harmonic in LiNbO3 nonlinear photonic crystal
    Fig. 4. Transportation route of direct fifth-order nonlinear cerenkov harmonic in LiNbO3 nonlinear photonic crystal
    Method inRef.SuperlatticesructureCrystaltypeFundamentallaser intensityInputdirectionNonlineardiffractionHarmonicShape ofharmonic
    [14]Circularperiodic arrayLiTaO3100 GW/cm2zBraggSecond-Conical
    [16]One-dimensionalperiodicLiNbO380 GW/cm2zRaman-NathcerenkovSecond-Second-SpotSpot
    [22]Two-dimensionalshort-range orderedLiNbO360 GW/cm2zcerenkov(Cascaded)Third-Conical
    [24]Two-dimensionalcircular periodicLiTaO360 GW/cm2zRaman-Nath(Cascaded)Third-Conical
    [29]Two-dimensionalhexagonally periodicLiTaO3waveguidexQuasi-phasematched cerenkovSecond-Spot
    [30]cerenkovSecond-Spot or arc
    [33]Radially poledLiTaO33.8 TW/cm2zcerenkov(Cascaded) Second-and third-Conical
    Table 1. Experimental parameters for generation of various nonlinear diffraction harmonics
    Boqin Ma, Huangjia Li. High-Order Nonlinear Diffraction Harmonics in Nonlinear Photonic Crystals[J]. Chinese Journal of Lasers, 2019, 46(2): 0208001
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