article

Discrete self-focusing in nonlinear arrays of coupled waveguides

Optics Letters · 1988 · Vol. 13(9) · pp. 794–794

Demetrios N. Christodoulides✉(Lehigh University)R. I. Joseph(Johns Hopkins University)

Abstract

We show that a nonlinear array of coupled waveguides can exhibit discrete self-focusing that in the continuum approximation obeys the so-called nonlinear Schrödinger equation. This process has much in common with the biophysical model of Davydov.

Nonlinear Photonic Systems Advanced Fiber Laser Technologies Nonlinear Waves and SolitonsNonlinear systemPhysicsOpticsNonlinear opticsSelf-focusingNonlinear Schrödinger equationSelf-phase modulationQuantum mechanicsLaser beamsLaser

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The nonlinear coherent coupler