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Phys. Rev. Lett. 103, 123901 (2009) [4 pages]

Autoresonant Dynamics of Optical Guided Waves

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Assaf Barak1, Yuval Lamhot1, Lazar Friedland2, and Mordechai Segev1
1Physics Department, Technion - Israel Institute of Technology, Haifa 32000, Israel
2Racah Institute of Physics, Hebrew University of Jerusalem, Jerusalem 91904, Israel

Received 15 March 2009; published 14 September 2009

We study, theoretically and experimentally, autoresonant dynamics of optical waves in a spatially chirped nonlinear directional coupler. We show that adiabatic passage through a linear resonance in a weakly coupled light-wave system yields a sharp threshold transition to nonlinear phase locking and amplification to predetermined amplitudes. This constitutes the first observation of autoresonance phenomena in optics.

© 2009 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.103.123901
DOI:
10.1103/PhysRevLett.103.123901
PACS:
42.65.Sf, 42.65.Wi, 52.35.Mw