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Type-II InP-based lasers emitting at 2.55 μm

  • Stephan Sprengel
  • , Alexander Andrejew
  • , Kristijonas Vizbaras
  • , Tobias Gruendl
  • , Kathrin Geiger
  • , Gerhard Boehm
  • , Christian Grasse
  • , Markus Christian Amann
  • Walter Schottky Institut

Research output: Contribution to journalArticlepeer-review

45 Scopus citations

Abstract

Room-temperature lasing at 2.55 m is reported for InP-based GaInAs/GaAsSb type-II quantum well lasers in pulsed mode up to 42 °C. This record long-wavelength lasing has become feasible by implementing compressive strain in both materials and a carrier confinement design using an AlAsSb/AlGaInAs electron/hole blocking layer. The device concept appears promising for extending the wavelength range further towards 3 m.

Original languageEnglish
Article number041109
JournalApplied Physics Letters
Volume100
Issue number4
DOIs
StatePublished - 23 Jan 2012

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