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Updated: Jun 10, 2026

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
Published on: November 30, 2012
Autoresonant propagation of incoherent light-waves
Assaf Barak1, Yuval Lamhot, Lazar Friedland
1Physics Department, Technion-Israel Institute of Technology, Haifa 32000, Israel. assafb@tx.technion.ac.il
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.
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