Cleaved-facet violet laser diodes with lattice-matched Al0.82 In0.18 N/GaN multilayers as n -cladding

  • R. Charash
  • , H. Kim-Chauveau
  • , J. M. Lamy
  • , M. Akther
  • , P. P. Maaskant
  • , E. Frayssinet
  • , P. De Mierry
  • , A. D. Dräger
  • , J. Y. Duboz
  • , A. Hangleiter
  • , B. Corbett

Research output: Contribution to journalArticlepeer-review

Abstract

Electrically injected, edge-emitting cleaved-facet violet laser diodes were realized using a 480 nm thick lattice matched Si doped Al0.82 In0.18 N/GaN multilayer as the cladding on the n-side of the waveguide. Far-field measurements verify strong mode confinement to the waveguide. An extra voltage is measured and investigated using separate mesa structures with a single AlInN insertion. This showed that the electron current has a small thermally activated shunt resistance with a barrier of 0.135 eV and a current which scales according to Vn, where n∼3 at current densities appropriate to laser operation.

Original languageEnglish
Article number201112
JournalApplied Physics Letters
Volume98
Issue number20
DOIs
Publication statusPublished - 16 May 2011

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