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Design of an efficient light-emitting diode with 10 GHz modulation bandwidth
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View: Figures


Image of FIG. 1.
FIG. 1.

Energy flux through a plane contained between the dipole and the metal surface and above the dipole . The square grating has lattice constant , and the wavevectors are measured in units of . Warm colors indicate flux away from the dipole. When the grating is present, the interaction between SPP of various orders can be clearly observed.

Image of FIG. 2.
FIG. 2.

LED structure used in this work. The device is comprised of a double heterostructure with a single tensile strained QW (red layer).

Image of FIG. 3.
FIG. 3.

Time-resolved photoluminescence for two structures: as-built epitaxial stack and epitaxial stack with 40 nm gap between the QW and the silver layer. The 40 nm sample has a double-exponential profile; the slow response time ( decay time) is due the measuring apparatus, which we have characterized separately. In the inset is a plot of the decay time vs the distance between the QW and the silver surface.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Design of an efficient light-emitting diode with 10 GHz modulation bandwidth