Abstract
A 670 nm AlGaInP/GaInP strained multi-quantum well laser diode with a high characteristic temperature (T 0) has been achieved by optimization of quantum well structures and the metal-organic chemical vapour deposition process. The hole concentration of 5×1017 cm-3 in the p-AlGaInP cladding layer on a (100) 5° off GaAs substrate has been obtained with very small ratio, 0.35, of mole flow rate of zinc source to the group III sources ([DEZn]/[III]) of 0.35. The threshold current and maximum temperature for continuous wave operation of lasers with cavity length of 300 μm have been measured as 45 mA and 80°C, respectively. The characteristic temperature (T 0) of the lasers has been measured as high as 153 K. The laser without facet protections could operate for more than 1000 h at 50°C and 5 mW.
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Kim, JS., Yang, M., Choi, WJ. et al. 670 nm AlGaInP/GaInP strained multi-quantum well laser diode with high characteristic temperature (T 0). Opt Quant Electron 27, 435–440 (1995). https://doi.org/10.1007/BF00563580
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DOI: https://doi.org/10.1007/BF00563580