title: Autoresonant propagation of incoherent light-waves.
abstract: We study, theoretically and experimentally, the evolution of optical waves with randomly-fluctuating phases in a spatially chirped nonlinear directional coupler. As the system crosses its linear resonance, we observe collective self-phase-locking (autoresonance) of all mutually-incoherent waves, each with its own pump, and simultaneous amplification until the pumps are exhausted. We show that the autoresonant transition in this system exhibits a sharp threshold, common to all mutually-incoherent waves comprising the light beam.
authors: Physics Department, Technion-Israel Institute of Technology, Haifa 32000, Israel. assafb@tx.technion.ac.il
authors: Assaf
authors: A
authors: Barak
authors: Yuval
authors: Y
authors: Lamhot
authors: Lazar
authors: L
authors: Friedland
authors: Mordechai
authors: M
authors: Segev
mesh_terms: D008027:Light; D008962:Models, Theoretical; D017711:Nonlinear Dynamics; D055095:Optics and Photonics / Q000379:methods*; D012031:Refractometry / Q000379:methods*; D013269:Stochastic Processes