Phase locking of a two-dimensional laser array with random detuning of eigenfrequencies

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

doi:10.1117/12.160390

7 October 1993 Phase locking of a two-dimensional laser array with random detuning of eigenfrequencies

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

Proceedings Volume 2109, CIS Selected Papers: High-Power Multibeam Lasers and Their Phase Locking; (1993) https://doi.org/10.1117/12.160390
Event: High-Power Multibeam Lasers and Their Phase Locking, 1993, None, Russian Federation

Abstract

In this paper we present the results of analytical and numerical studies into synchronization of a large number of optically coupled resonators with random detuning of eigenfrequencies. We consider the `nearest-neighbor' coupling model with allowance made for gain saturation. 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 2-D medium at the presence of heat sources and coolers with random powers. It is shown that the steady-state phase distribution over the aperture has the domain-like form. Phases in adjacent domains differ by values of the order of (pi) . Combining the scheme with nearest-neighbor coupling and external signal injection, we can easily attain synchronous lasing from large arrays.

Citation Download Citation

A. A. Golubentsev, Vladimir V. Likhanskii, and Anatoly P. Napartovich "Phase locking of a two-dimensional laser array with random detuning of eigenfrequencies", Proc. SPIE 2109, CIS Selected Papers: High-Power Multibeam Lasers and Their Phase Locking, (7 October 1993); https://doi.org/10.1117/12.160390

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