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Self-organization in a multicore fiber laser array
E J Bochove1, P K Cheo, G G King
1Directed Energy Directorate, U.S. Air Force Research Laboratory, Kirtland Air Force Base, New Mexico 87117, USA. bochovee@plk.af.mil
Optics Letters
|July 30, 2003
Abstract:
We explain an observed spontaneous transition to the high-brightness, in-phase array state of a seven-core ytterbium-doped fiber laser array [IEEE Photonics Technol. Lett. 13, 439 (2001)]. The responsible mechanism is nonlinear refraction, and either in-phase or antiphase array modes can be selected by control of pump intensity. The phenomenon appears to be robust and scalable.