Type-II Optical Parametric Oscillators: Domain Walls d= 1 Domain Walls d= 1 BLOCH POLARIZATION WALLS d= 2 BLOCH WALLS BLOCH WALL DYNAMICS (I) Movie (1.544 Kb) BLOCH WALL DYNAMICS (II) Movie (2.433 Kb) Movie (1.806 Kb) Movie (882 Kb) ISING WALL DYNAMICS SUMMARY (Zip File)