Room temperature laser emission of 1.5 μm from InAs/InP(311)B quantum dots

作者: C Paranthoen , N Bertru , B Lambert , O Dehaese , A Le Corre

DOI: 10.1088/0268-1242/17/2/102

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摘要: We report on the 1.5 μm laser emission from InAs quantum dots (QDs) grown a InP(311)B substrate. The control of optical wavelength is obtained by two-step modified growth procedure, called 'double cap' procedure. This enables us to obtain 1.55 InAs/InP(311)B QDs, with narrow height dispersion. Laser six-stacked QD layer sample has been demonstrated excitation at room temperature. Lasing an excited state, for low density 10 kW cm−2. shows that could emit telecommunication wavelength.

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