Phys. Rev. A 60, 2375–2379 (1999)Spatial instability of counterpropagating waves in nonlinear distributed feedback structuresReceived 1 December 1998; published in the issue dated September 1999 We investigate spatial instabilities (induced by small angular perturbations) of counterpropagating waves in nonlinear distributed feedback (DFB) structures. We determined the DFB-structure threshold length at which an absolute instability occurs and a nonhomogeneous spatial intensity distribution is generated. The evolution of the transverse intensity distribution is studied for counterpropagating waves as a function of the control parameters. © 1999 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.60.2375
DOI:
10.1103/PhysRevA.60.2375
PACS:
42.65.Sf, 42.65.Tg
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