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- W2247445458 abstract "Room temperature lasing from electrically pumped n-type doped Ge edge emitting devices has been observed. The edge emitter is formed by cleaving Si-Ge waveguide heterodiodes, providing optical feedback through a Fabry-Perot resonator. The electroluminescence spectra of the devices showed optical bleaching and intensity gain for wavelengths between 1660 nm and 1700 nm. This fits the theoretically predicted behavior for the n-type Ge material system. With further pulsed electrical injection of 500 kA/cm2 it was possible to reach the lasing threshold for such edge emitters. Different lengths and widths of devices have been investigated in order to maintain best gain-absorption ratios." @default.
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- W2247445458 date "2015-05-28" @default.
- W2247445458 modified "2023-10-02" @default.
- W2247445458 title "Electrically pumped lasing from Ge Fabry-Perot resonators on Si" @default.
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- W2247445458 doi "https://doi.org/10.1364/oe.23.014815" @default.
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