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Complexity of polarized spatial patterns in large area square VCSEL

Babushkin, I.V. and Loiko, N.A. and Ackemann, T. (2007) Complexity of polarized spatial patterns in large area square VCSEL. arXiv.org.

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Abstract

We consider pattern selection process in a wide aperture VCSEL near threshold. We show that for a square geometry of the laser aperture, the patterns formed at lasing threshold can be very complicated because of a possible misalignment between directions of an intrinsic spatial anisotropy of VCSEL and lateral boundaries of its aperture. The analogy with quantum billiard structures is established, and fingerprints of wave chaos are found. Influence of localized inhomogeneous in the pump current is also considered.