Judicious distribution of laser emitters to shape the desired far-field patterns

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6 Citations (Scopus)


The far-field pattern of a simple one-dimensional laser array of emitters radiating into free space is considered. In the course of investigating the inverse problem for their near fields leading to a target beam form, surprisingly, we found that the result is successful when the matrix of the corresponding linear system is not well scaled. The essence of our numerical observations is captured by an elegant inequality defining the functional range of the optical distance between two neighboring emitters. Our finding can restrict substantially the parametric space of integrated photonic systems and simplify significantly the subsequent optimizations.

Original languageEnglish
Article number063806
JournalPhysical Review A
Issue number6
Publication statusPublished - Jun 6 2017

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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