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Robust synchronization in fiber laser arrays.

Slaven Peles¹, Jeffrey L Rogers, Kurt Wiesenfeld

¹Center for Nonlinear Science and School of Physics, Georgia Institute of Technology, Atlanta, Georgia 30332-0430, USA. slaven.peles@physics.gatech.edu

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics

|April 12, 2006

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Researchers explored fiber laser synchronization using a map model. A less symmetric configuration unexpectedly demonstrated robust coherence, unlike highly symmetric ones, suggesting new possibilities for laser technology.

Area of Science:

Physics
Optics
Laser Technology

Background:

Experimental synchronization of coupled fiber lasers has been achieved.
The underlying synchronization mechanism remains poorly understood.
Advances in laser technology may stem from understanding this phenomenon.

Purpose of the Study:

To analyze a proposed iterated map model for fiber laser arrays.
To investigate the phenomenon of laser synchronization.
To determine the stability of synchronous solutions in different coupling schemes.

Main Methods:

Analysis of an iterated map model for fiber laser arrays.
Examination of synchronous solutions with constant gain fields.
Analytical determination of solution stability for various coupling schemes.

Related Experiment Videos

Main Results:

In highly symmetric configurations, the most symmetric synchronous solution is often unstable or practically limited.
A less symmetric configuration surprisingly yields robust coherence.
This coherence is maintained even when gain fields become time-dependent beyond the pumping threshold.

Conclusions:

The symmetry of physical configurations significantly impacts the stability and practicality of synchronous solutions in fiber laser arrays.
Less symmetric configurations offer a promising avenue for achieving robust laser coherence.
The findings provide insights into the synchronization mechanisms of coupled fiber lasers.