4.5 Article

545 nm Room-Temperature Continuous-Wave Operation of BeZnCdSe Quantum-Well Green Laser Diodes with Low Threshold Current Density

Journal

APPLIED PHYSICS EXPRESS
Volume 3, Issue 9, Pages -

Publisher

JAPAN SOC APPLIED PHYSICS
DOI: 10.1143/APEX.3.091201

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We report the growth of BeZnCdSe quantum-well laser diode (LD) structures with a short-period superlattice cladding layer and demonstrate continuous-wave lasing in the pure-green spectral region (545 nm) at room temperature. The threshold current density and voltage of a 5-mu m-wide gain-guided laser were found to be 1.7 kA/cm(2) and 10.4 V, respectively. This threshold current density is sufficiently low compared with that of InGaN/GaN green LDs. (c) 2010 The Japan Society of Applied Physics

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