Phaselocking of a two-dimensional laser array with random detuning of eigenfrequencies

A. A. Golubenzev; Vladimir V. Likhanskii; Anatoly P. Napartovich

doi:10.1117/12.18291

1 May 1990 Phaselocking of a two-dimensional laser array with random detuning of eigenfrequencies

A. A. Golubenzev, Vladimir V. Likhanskii, Anatoly P. Napartovich

Proceedings Volume 1219, Laser Diode Technology and Applications II; (1990) https://doi.org/10.1117/12.18291
Event: OE/LASE '90, 1990, Los Angeles, CA, United States

Abstract

This paper presents the results of analytical and numerical studies into synchronization of a large number of optically coupled resonators with random detuning of eigenfrequencies. The 'nearest-neighbor' coupling model with allowance made for gain saturation is considered. Assuming that the coupling coefficient has zero imaginary part, the problem of steady-state phase distribution over the aperture of the two-dimensional array reduces to the problem of temperature distribution in a two-dimensional medium in the presence of heat sources and coolers with random powers. It is shown that the steady-state phase distribution over the aperture has domainlike form. Phases in adjacent domains differ by values of the order of pi. Combining the scheme with nearest-neighbor coupling and external signal injection, it is easy to attain synchronous lasing from large arrays.

Citation Download Citation

A. A. Golubenzev, Vladimir V. Likhanskii, and Anatoly P. Napartovich "Phaselocking of a two-dimensional laser array with random detuning of eigenfrequencies", Proc. SPIE 1219, Laser Diode Technology and Applications II, (1 May 1990); https://doi.org/10.1117/12.18291

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