In partnership with quantum dot (QD) diode laser manufacturer Innolume GmbH of Dortmund, Germany, Alfalume Inc of Santa Clara, CA, USA has announced sample availability of its O-band high-power indium arsenide/gallium arsenide (InAs/GaAs) quantum dot distributed feedback (DFB) lasers, which offer what is claimed to be best-in-class output power, wall-plug efficiency and temperature range as well as fundamentally better reliability of QD lasers compared with quantum well (QW) counterparts...
Source: https://www.semiconductor-today.com/new ... 0323.shtml