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Abstract
We analyze parametric instabilities of microcavity polartions in the presence of one-dimensional periodic potentials. Instabilities appear in a certain window of pump momentum orientations with respect to the potential so that the momentum projection onto the direction of periodicity is large enough. Ring-shaped domains of parametrically amplified perturbations form a periodic chain in momentum space. Independently from the orientation of the pump momentum, the chain maintains its orientation along the direction of periodicity of the system. In the physical space the amplified structures emerge as stripes modulated along the direction of periodicity and of finite width in the orthogonal direction.
Original language | English |
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Article number | 125313 |
Journal | Physical Review B |
Volume | 82 |
Issue number | 12 |
DOIs | |
Publication status | Published - 13 Sept 2010 |
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Dive into the research topics of 'Parametric instabilities of microcavity polaritons in a periodic potential'. Together they form a unique fingerprint.Projects
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LOCALISED STRUCTURES OF LIGHT IN DISSIPATIVE NONLINEAR LATTI CE MODELS
Skryabin, D. (PI)
Engineering and Physical Sciences Research Council
24/02/07 → 23/02/10
Project: Research council