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 language | English |
|---|---|
| Article number | 041109 |
| Journal | Applied Physics Letters |
| Volume | 100 |
| Issue number | 4 |
| DOIs | |
| State | Published - 23 Jan 2012 |
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