Selective excitation of localized modes in active random media

C. Vanneste, P. Sebbah

Research output: Contribution to journalArticlepeer-review

213 Scopus citations


The role of strong localization in the lasing action process in active random media was analyzed. A numerical model was used to describe the full dynamics of the field and the levels' populations in two dimensional active random media. The lasing modes were found to be identical to the passive modes without gain by coupling the Maxwell's equations in a disordered medium with the rate equations of a four level atomic system.

Original languageEnglish
Article number183903
Pages (from-to)1839031-1839034
Number of pages4
JournalPhysical Review Letters
Issue number18
StatePublished - 29 Oct 2001
Externally publishedYes


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