2010
DOI: 10.1016/j.jcrysgro.2010.04.044
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Shorter wavelength emission with InAs quantum dots growth directly on large bandgap quaternary (In0.68Ga0.32As0.7P0.3) barriers for high current injection efficiency

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Cited by 2 publications
(2 citation statements)
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“…[6][7][8] Recently, attempts to use InAs nanostructures based on InP substrates to extend the wavelength further into the midinfrared region .2.0 mm have received more attention because mid-infrared lasers are very attractive for applications in molecular spectroscopy, remote sensing of atmospheric and planetary gases, as well as lidar atmospheric detection and ranging, [9][10][11] etc. InAs QDs and quantum-dash lasers have been demonstrated recently at various wavelengths from 1.60 to 2.04 mm [12][13][14] but the emission wavelength of the InAs QDs grown on InP is limited to ,2.28 mm. 15,16 To extend the emission wavelength further for the midinfrared devices, narrower bandgap semiconductor structures, e.g.…”
Section: Introductionmentioning
confidence: 99%
“…[6][7][8] Recently, attempts to use InAs nanostructures based on InP substrates to extend the wavelength further into the midinfrared region .2.0 mm have received more attention because mid-infrared lasers are very attractive for applications in molecular spectroscopy, remote sensing of atmospheric and planetary gases, as well as lidar atmospheric detection and ranging, [9][10][11] etc. InAs QDs and quantum-dash lasers have been demonstrated recently at various wavelengths from 1.60 to 2.04 mm [12][13][14] but the emission wavelength of the InAs QDs grown on InP is limited to ,2.28 mm. 15,16 To extend the emission wavelength further for the midinfrared devices, narrower bandgap semiconductor structures, e.g.…”
Section: Introductionmentioning
confidence: 99%
“…Enquanto a difusão de Ga é esperada entre barreira de InGaAsP e QDs de InAs, acreditamos que a presença de P nos QDs deve ser causada muito provavelmente pela interrupção do crescimento de QDs na ausência de sobrepressão de Arsênio, fator que facilita a permutação entre As/P. Estes resultados foram publicados recentemente [60] e constituem uma das principais contribuições deste trabalho.…”
Section: Fenômeno Da Inter-difusãounclassified