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Tabataba-Vakili, Farsane; Brimont, Christelle; Alloing, Blandine; Damilano, Benjamin; Doyennette, Laetitia; Guillet, Thierry; El Kurdi, Moustafa; Chenot, Sébastien; Brändli, Virginie; Frayssinet, Eric; Duboz, Jean-Yves; Semond, Fabrice; Gayral, Bruno; Boucaud, Philippe

Analysis of low-threshold optically pumped III-nitride microdisk lasers

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  • Medientyp: E-Artikel
  • Titel: Analysis of low-threshold optically pumped III-nitride microdisk lasers
  • Beteiligte: Tabataba-Vakili, Farsane; Brimont, Christelle; Alloing, Blandine; Damilano, Benjamin; Doyennette, Laetitia; Guillet, Thierry; El Kurdi, Moustafa; Chenot, Sébastien; Brändli, Virginie; Frayssinet, Eric; Duboz, Jean-Yves; Semond, Fabrice; Gayral, Bruno; Boucaud, Philippe
  • Erschienen: AIP Publishing, 2020
  • Erschienen in: Applied Physics Letters
  • Sprache: Englisch
  • DOI: 10.1063/5.0015252
  • ISSN: 0003-6951; 1077-3118
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: <jats:p>Low-threshold lasing under pulsed optical pumping is demonstrated at room temperature for III-nitride microdisks with InGaN/GaN quantum wells on Si in the blue spectral range. Thresholds in the range of 18 kW/cm2 have been achieved along with narrow linewidths of 0.07 nm and a large peak-to-background dynamic of 300. We compare this threshold range with the one that can be calculated using a rate equation model. We show that thresholds in the few kW/cm2 range constitute the best that can be achieved with III-nitride quantum wells at room temperature. The sensitivity of lasing on the fabrication process is also discussed.</jats:p>