TY - JOUR T1 - Decreasing the emission wavelength of GaAs–AlGaAs quantum cascade lasers by the incorporation of ultrathin InGaAs layers JO - Applied Physics Letters PY - 2001/01/22 AU - Wilson LR AU - Cockburn JW AU - Steer MJ AU - Carder DA AU - Skolnick MS AU - Hopkinson M AU - Hill G ED - DO - DOI: 10.1063/1.1343841 PB - AIP Publishing VL - 78 IS - 4 SP - 413 EP - 415 Y2 - 2025/03/11 ER -