Nonlinear directional coherent couplers are analyzed by using the beam-propagation method. The nonlinear media are modeled by using a saturable two-level system response. Coupler structures and excitation conditions to which the coupled-mode approach is not readily applicable are treated.
|Number of pages
|Journal of the Optical Society of America B: Optical Physics
|Published - Feb 1988
ASJC Scopus subject areas
- Statistical and Nonlinear Physics
- Atomic and Molecular Physics, and Optics