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A liquid-phase-epitaxial (LPE) double-heterojunction (DH) laser structure with an ∼1-μm ’’active region’’ consisting of ≳20 In1−xGaxP1−zAsz and InP lattice-matched thin layers is described. The thin-layer dimensions are small enough (500 Å) to make quantum size effects relevant.
Rezek et al. (Mon,) studied this question.