Gain conditions for conducting polymer lasers

Hsin-Fei Meng*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The condition of lasing threshold for solid-state conducting polymers is studied using a model Hamiltonian, which includes quasi-particles corresponding to both intrachain and interchain electronic excitations. We found that net gain can be achieved when the pump is so strong that intrachain and interchain species are mixed. A guide to overcome the difficulties coming from the photo-induced absorption due to the interchain excitations is proposed.

Original languageEnglish
Pages (from-to)358-364
Number of pages7
JournalPhysica B: Condensed Matter
Volume239
Issue number3-4
DOIs
StatePublished - 2 Aug 1997

Keywords

  • Conducting polymer lasers

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