Control of broad-area vertical-cavity surface emitting laser emission by optically induced photonic crystals

B. Terhalle, N. Radwell, P. Rose, C. Denz, T. Ackemann

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Abstract

We control the emission properties of a broad-area vertical-cavity surface emitting laser by coupling it to an external feedback cavity containing a photorefractive crystal with an optically induced photonic lattice. The periodic modulation of the refractive index serves as a tunable filter and enables the dynamic suppression of unwanted spatial instabilities and modes, as originally suggested by Gomila et al.
Original languageEnglish
Article number151114
Number of pages3
JournalApplied Physics Letters
Volume93
Issue number15
Early online date17 Oct 2008
DOIs
Publication statusPublished - 2008

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Keywords

  • photorefractive crystal
  • optically inducedphotonic lattice
  • vertical-cavity surface emitting laser
  • VCSEL

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