Lasing mode pattern of a quantum cascade photonic crystal surface-emitting microcavity laser

Kartik Srinivasan, Oskar Painter, Raffaele Colombelli, Claire F. Gmachl, Donald M. Tennant, A. Michael Sergent, Deborah L. Sivco, Alfred Y. Cho, Mariano Troccoli, Federico Capasso

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

The determination of lasing mode within quantum cascade (QC) photonic crystal (PC) microcavity laser was analyzed. The lasing mode symmetry was determined by position of nodal lines within micro-bolometer camera measurements of polarized spatial distribution. The group theory categorized eigenmodes of given electromagnetic system according to its spatial symmetries. The results show that reduction of far-field emission pattern symmetry was due to subtle near-field asymmetries.

Original languageEnglish (US)
Pages (from-to)4164-4166
Number of pages3
JournalApplied Physics Letters
Volume84
Issue number21
DOIs
StatePublished - May 24 2004

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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