Multiwavelength demultiplexing in high bit-rate optical communication networks

a joint project of the Institute on Laser and Information Technologies of the Russian Academy of Sciences, Troitsk, Moscow region, Russia, and the Department of Physics, Wake Forest University,Winston-Salem, NC USA

sponsored by the NATO Science for Peace Program


Project co-directors:

Scientific coordinator:


Develop improved add/drop DWDM devices with narrow transmission window (1 A), having nearly rectangular profile and nearly linear phase variation across the window, using biharmonic Bragg gratings [1, 2] coupled to side-polished single-mode fibers.

  1. V. I. Sokolov and V. Ya. Panchenko, "Propagation and interaction of waves in periodic media with a space-modulated coupling coefficient: application for optical filtering", Proc. SPIE, Vol. 3733, pp. 296-305, (1999).
  2. V. I. Sokolov, G. I. Manankova, A. I. Khudobenko, V. Ya. Panchenko, and V. N. Seminogov, "Optical filters on the basis of nonuniform phase-shifted Bragg gratings", Proc. SPIE, Vol. 3688, pp. 320-329, (1999).

Activity in the period 4 November 1999 - 31 October 2000:


(under construction)