O-band InAs/InGaAs quantum dot laser diode with sandwiched sub-nano separator (SSNS) structures

O-band InAs/InGaAs quantum-dot (QD) laser-diode has been successfully demonstrated by using sandwiched sub-nano separator (SSNS) structures on GaAs. Improvement of crystal-qualities and enhancement of luminescence intensities were attained for the QD laser by SSNS technique.

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