Fig. 4From: Elimination of Bimodal Size in InAs/GaAs Quantum Dots for Preparation of 1.3-μm Quantum Dot LasersDevice structure. a 1.3-μm quantum dot F-P broad area laser's epitaxial structure. b PL spectrum of the QDs laser's epitaxial structure at RT. The central wavelength is 1294 nmBack to article page